http://bbs.520101.com 19" LCD Color Monitor Chassis: Meridian 1 Service Service Service Description Page Description Page Page SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING Table of Contents........................................………….1 Revision List................................................…………….2 Important Safety Notice………….................................3 1. Monitor Specifications….............................................4 2. LCD Monitor Description….........................................5 3. Operation instructions….............................................6 3.1General Instructions……………………………….…...6 3.2 Control buttons…………..……………………….……6 3.3 OSD Menu…………………....................................8 4. Input/Output Specification.........................………….10 4.1 Input Signal Connector...........................…………..10 4.2 Factory Preset Display Modes................................10 4.3 Pixel Defect Policy……………………………………11 4.4 Failure Mode of Panel …………………………….…14 5. Block Diagram……………………………................15 5.1 Software Flow Chart............................………….....15 5.2 Electrical Block Diagram.....................……….........17 6. Schematic Diagram................................................. 19 6.1 Main Board………………………………………………19 6.2 Power Board……………………..…………………23 6.3 Key Board…….………………………..…………………25 7. PCB Layout………………………………………………...26 7.1 Main Board………………………………………………..26 7.2 Power Board……………………………………………28 7.3 Key Board………...………………………………………30 8. Wiring Diagram……………………………………….…..31 9. Scalar Board Overview………………………………....32 10. Mechanical Instructions………………………………....33 11. Repair Flow Chart…….…….……………………………37 12. ISP Instructions...….....................................................43 13. DDC Instructions…......................................................46 14. White Balance, Luminance Adjustment……............56 15. Monitor Exploded View….............................................58 16. Recommended & Spare Parts List...……...................59 17. Different Parts List………………………………………61 18. General Product Specification………………….……….63 312278518560 GB REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES Copyright 2008 Philips Consumer Lifestyle Subject to modification ○ K Apr, 01, 2009 190V1SB/93 190V1SB/00 190V1SB/62 190V1SB/27 http://bbs.520101.com Meridian 1 2 Revision List Version Release Date Revision History A00 Apr, 01,2009 Initial release, Draft Version A01 Apr ,13 ,2009 Add CTV Model 190V1SB/62 A02 Apr, 16 ,2009 Add CTV Model 190V1SB/27 http://bbs.520101.com 3 Meridian 1 Important Safety Notice Proper service and repair is important to the safe, reliable operation of all Philips Company Equipment. The service procedures recommended by Philips and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended. It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Philips could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, Philips has not undertaken any such broad evaluation. Accordingly, a customer who uses a service procedure or tool which is not recommended by Philips must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected. Hereafter throughout this manual, Philips Company will be referred to as Philips. WARNING Use of substitute replacement parts, which do not have the same, specified safety characteristics, may create shock, fire, or other hazards. Under no circumstances should the original design be modified or altered without written permission from Philips. Philips assumes no liability, express or implied, arising out of any unauthorized modification of design. FOR PRODUCTS CONTAINING LASER: DANGER- There is invisible laser radiation when open. AVOID DIRECT EXPOSURE TO BEAM. CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. CAUTION -The use of optical instruments with this product will increase eye hazard. TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF THIS SERVICE MANUAL. Take care during handling the LCD module with backlight unit: -Must mount the module using mounting holes arranged in four corners. -Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen. -Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the panel. -Protect the module from the ESD as it may damage the electronic circuit (C-MOS). -Make certain that treatment person’s body is grounded through wristband. -Do not leave the module in high temperature and in areas of high humidity for a long time. -Avoid contact with water as it may a short circuit within the module. -If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may damage the panel.) http://bbs.520101.com Meridian 1 4 1. Monitor Specifications 1.1 Technical specifications LCD PANEL • Type TFT LCD • Screen size 19” Visual • Pixel pitch 0.285mm x 0.285mm 1440*900 pixels R.G.B vertical stripe • LCD Panel type Anti-glare polarizer, hard coated • Effective viewing area 408.24 x 255.15 mm Display Colors 16.7M SCANNING • Vertical refresh rate 56 Hz – 76 Hz • Horizontal Frequency 30 kHz - 83 kHz Video • Video dot rate 170 MHz • Input impedance - Video 75 OHM - Sync 2.2K OHM • Input signal levels 0.7Vpp Separate Sync Composite Sync • Sync input signal Sync On Green • Sync polarities Positive and Negative * This data is subject to change without notice. http://bbs.520101.com 5 Meridian 1 1.2 Physical specifications • Tilt - 5°~ 20° • Power Supply 100~240 V AC, 50/60Hz • Power Consumption <35W (Typ.) 0 to 40 (operating) ℃ ℃ • Temperature -20 to 60 (storage) ℃ ℃ • Relative Humidity 20~80% • System MTBF 50K hours (CCFL 50K hours) • Cabinet Color 190V1SB: Black 2. LCD Monitor Description The LCD monitor will contain a main board, a power board and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Monitor Block Diagram AC-IN 100V-240V Power board (Include: Adapter, Inverter) Flat Panel and CCFL backlight Main Board DVI D-SUB CCFL Drive. Video signal, DDC Key Board HOST Computer http://bbs.520101.com Meridian 1 6 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor (see figure). By changing these setting, the picture can be adjusted to your personal preference. ﹡ The power cord should be connected. ﹡ Press the power button to turn on the monitor. The power indicator will light up. 3.2 Control Buttons Front View 1 To switch monitor’s power on and off 2 MENU/OK To access OSD menu/Confirm 3 / To adjust brightness of the display 4 INPUT/ To change the signal input source Automatically adjust the horizontal position, vertical position, and phase and clock settings 5 AUTO/ Return to previous OSD levels http://bbs.520101.com 7 Meridian 1 Rear View 1 Kensington anti-thief lock 2 AC power input 3 DVI-D(available for selective models） 4 VGA input http://bbs.520101.com Meridian 1 8 3.3 OSD Menu This is a feature in all Philips LCD monitors. It allows an end user to adjust screen performance of the monitors directly through an on-screen instruction window. The user interface provides user-friendliness and ease-of-use when operating the monitor. When you press the MENU/OK button on the front control of your monitor, the On-Screen-Display (OSD) main controls window will pop up and you can then start making adjustments to your monitor’s various features. Use the ▲▼ keys to make your adjustments. Dual Model Analog Model http://bbs.520101.com 9 Meridian 1 The OSD tree Below is an overall view of the structure of the On-Screen Display. You can use this as a reference when you want to work your way around the different adjustments later on. http://bbs.520101.com Meridian 1 10 4. Input/ Output Specification 4.1 Input Signal Connector Analog connectors Pin No. Signal Name Pin No. Signal Name 1 Red video input 9 DDC +5V 2 Green video input/ SOG 10 Logic ground 3 Blue video input 11 Ground 4 Sense (GND) 12 Serial data line (SDA) 5 Cable Detect (GND) 13 H. Sync/H+V.Sync 6 Red video ground 14 V.Sync 7 Green video ground 15 Data clock line (SCL) 8 Blue video ground 4.2 Factory Preset Modes H. freq (KHz) Resolution V. freq (Hz) 31.47 720 x 400 70.09 31.47 640 x 480 59.94 37.50 6408 x 480 75.00 37.88 800 x 600 60.32 46.88 800 x 600 75.00 48.36 1024 x 768 60.00 60.02 1024 x 768 75.03 63.89 1280 x 1024 60.02 79.98 1280 x 1024 75.03 55.94 1440 x 900 59.89 70.64 1440 x 900 74.98 http://bbs.520101.com 11 Meridian 1 4.3 Pixel Defect Policy Philips strives to deliver the highest quality products. We use some of the industry’s most advanced manufacturing process and practice stringent quality control. However, pixel or sub pixel defects on the TFT LCD panels used in flat panel monitors are sometimes unavoidable. No manufacturer can guarantee that panels will be free from pixel defects, but Philips guarantees that any monitor with an unacceptable number of defects will be repaired or replaced under warranty. This notice explains the different types of pixel defects and defines acceptable defect levels for each type. In order to qualify for repair or replacement under warranty, the number of pixel defects on a TFT LCD panel must exceed these acceptable levels. For example, no more than 0.0004% of the sub pixels on a 19” XGA monitor may be defective. Furthermore, Philips sets even higher quality standard for certain types or combinations of pixel defects that are more noticeable than others. This policy is valid worldwide. Pixels and Sub pixels A pixel, or picture element, is composed of three sub pixels in the primary colors of red, green and blue. Many pixels together form an image. When all sub pixels of pixel are lit, the three colored sub pixels together appear as a single white pixel. When all are dark, the three colored sub pixels together appear as a signal black pixel. Other combinations of lit and dark sub appear as single pixels of other colors. Types of Pixel Defects Pixel and sub pixel defects appear on the screen in different ways. There are two categories of pixel defects and several types of sub pixel defects within each category. Bright Dot Defects Bright dot defects appear as pixels or sub pixels that are always lit or ‘on’. That is, a Bright dot is a sub-pixel that stands out on the screen when the monitor displays a dark pattern. There are three types of bright dot defects: R G B R G B subpixel subpixel subpixel pixel G R B P Y C W http://bbs.520101.com Meridian 1 12 Two adjacent lit sub pixels: - Red + Blue = Purple One lit red, green or blue sub pixel - Red + Green = Yellow - Green + Blue = Cyan (Light Blue) Three adjacent lit sub pixels (one white pixel) A red or blue bright dot must be more than 50 percent brighter than neighboring dots while a green bright dot is 30 percent brighter than neighboring dots. Black Dot Defects Black dot defects appear as pixels or sub pixels that are always dark or ‘off’. That is, a dark dot is a sub-pixel that stands out on the screen when the monitor displays a light pattern. There are two types of black dot defects: One dark sub pixel Two or three adjacent dark sub pixels Proximity of Pixel Defects Because pixel and sub pixels defects of the same type that are near to one another may be more noticeable, Philips also specifies tolerances for the proximity of pixel defects. Pixel Defect Tolerances In order to qualify for repair or replacement due to pixel defects during the warranty period, a TFT LCD panel in a Philips flat panel monitor must have pixel or sub pixel defects exceeding the tolerances listed in the following tables. BRIGHT DOT DEFECTS ACCEPTABLE LEVEL MODEL 190V1 1 lit subpixel 3 2 adjacent lit subpixels 1 3 adjacent lit subpixels (one white pixel) 0 Distance between two bright dot defects * >15mm Total bright dot defects of all types 3 http://bbs.520101.com 13 Meridian 1 BLACK DOT DEFECTS ACCEPTABLE LEVEL MODEL 190V1 1 dark subpixel 5 2 adjacent dark subpixels 2 3 adjacent dark subpixels 0 Distance between two black dot defects * >15mm Total black dot defects of all types 5 TOTAL DOT DEFECTS ACCEPTABLE LEVEL MODEL 220E1 Total bright or black dot defects of all types 5 Note: * 1 or 2 adjacent sub pixel defects = 1 dot defect http://bbs.520101.com Meridian 1 14 4.4 Failure Mode Of Panel �� Failure description Phenomenon Vertical block defect Vertical dim lines Vertical lines defect (Always bright or dark) Horizontal block defect Horizontal dim lines Horizontal lines defect (Always bright or dark) Has bright or dark pixel Polarizer has bubbles Polarizer has bubbles Foreign material inside polarizer. It shows liner or dot shape. Concentric circle formed Bottom back light of LCD is brighter than normal Back light un-uniformity Backlight has foreign material. Black or white color, liner or circular type Quick reference for failure mode of LCD panel this page presents problems that could be made by LCD panel. It is not necessary to repair circuit board. Simply follow the mechanical instruction on this manual to eliminate failure by replace LCD panel. http://bbs.520101.com 15 Meridian 1 5. Block Diagram 5.1 Software Flow Chat 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 http://bbs.520101.com Meridian 1 16 1) MCU initializes. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EPROM. Turn on the LED and set it to green color. Scalar initializes 10) In standby mode? 11) Update the lifetime of back light. 12) Check the analog port, are there any signals coming? 13) Does the scalar send out an interrupt request? 14) Wake up the scalar. 15) Are there any signals coming from analog port? 16) Display "No connection Check Signal Cable" message. And go into standby mode after the message disappears. 17) Program the scalar to be able to show the coming mode. 18) Process the OSD display. 19) Read the keyboard. Is the power key pressed? http://bbs.520101.com 17 Meridian 1 5.2 Electrical Block Diagram 5.2.1 Main Board Flash Memory PM25LV010A (U402) Panel Interface (CN301) Crystal 12MHz (X401) Keypad Interface (CN402) D-Sub Connector (CN101) RGB H/V sync DSUB_SCL DSUB_SDA EEPROM M24C16 (U403) DVI Connector (CN102) EEPROM M24C02 (U108) EEPROM M24C02 (U102) RXN/P RXCN/P DVI_SCL DVI_SDA Scalar IC NT68667FG/C (Include MCU, ADC, OSD) (U401) http://bbs.520101.com Meridian 1 18 5.2.2 Power/Inverter Board ON/OFF PID EMI filter Start Resistor R904, R905 PWM Control (IC901) Transformer AC input 16V Feedback Circuit Transformer (PT801) MOSFET Q805, Q806 Lamp 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Output Circuit PWM Control TA9687GN (IC801) Power Switch （Q901） Photocoupler (IC903) 16V DIM http://bbs.520101.com 19 Meridian 1 6. Schematic 6.1 Main Board 715G3226-1 CN101 A1 CN102 B1 C101 B3 C102 A4 C103 A2 C104 A2 C105 A4 C106 A4 C107 A4 C108 A4 C109 A4 C110 A4 C111 B4 C112 A3 C113 B4 C114 B4 C115 C2 C117 D4 C118 D2 C119 D2 C120 D1 C121 C5 D102 C3 D103 B4 FB101 B4 FB102 A4 FB103 A4 FB105 D4 Q101 C3 R101 A1 R102 A1 R103 A2 R104 A2 R105 A4 R106 A2 R107 A2 R108 A4 R109 A4 R110 A4 R111 A4 R112 A4 R113 B1 R114 A4 R115 B4 R116 B4 R117 B4 R118 B2 R119 B2 R120 B2 R121 D3 R122 D3 R126 C2 R127 C2 R128 C2 R129 C2 R130 C2 R131 C2 R132 C2 R133 B3 R134 C2 R135 C3 R136 D3 R137 D3 R138 D3 R139 B1 R140 C3 R141 B2 R142 D4 R143 A1 R144 A1 R147 C4 R148 C4 R149 C4 R150 C4 R151 C4 U102 D3 U103 B3 U104 A3 U105 D2 U106 D2 U107 D1 U108 C4 INPUT http://bbs.520101.com 20 Meridian 1 CN301 A5 CN302 A1 CN401 C1 CN402 D1 CN403 B2 CN404 C2 CN405 D2 C301 B5 C302 B3 C303 B4 C304 B2 C305 A4 C431 C3 C432 C3 C433 C3 C434 C3 C435 C3 C436 D3 FB301 A3 FB402 D3 Q301 A3 Q302 B3 R301 B4 R302 B5 R303 B2 R304 B2 R305 A3 R306 A3 R307 B3 R308 B4 R436 B2 R437 C2 R438 C3 R439 C3 R443 C3 R444 C3 R445 C3 U301 A4 ZD401 C4 ZD402 C4 OUTPUT http://bbs.520101.com 21 Meridian 1 POWER CN701 A1 C701 B2 C702 C1 C703 A2 C704 B5 C705 B5 C706 C4 C707 C5 C708 C4 C709 C4 C710 A2 C711 B4 C712 B1 Q701 C1 R701 A3 R702 C1 R703 A2 R704 C2 R705 B2 R706 B2 R707 A2 R708 C2 R710 A2 R711 C2 use Pin 123 control BL-ON [on_BACKLIGHT_1]; R446: 0 Ohm; R708: 10K; R704: 22K; R702: 1K; Q701: 2N3904; C702: 0.1uF use Pin 39 control BL_ON [on_BACKLIGHT_5V_1]; R447: 0 Ohm; R711: 10K R446, R708, R704, R702, Q701, C702: NC http://bbs.520101.com 22 Meridian 1 SCALER CN406 A4 C401 A3 C403 A1 C404 A1 C406 A2 C407 A2 C410 A1 C411 A5 C412 A1 C413 A2 C420 D2 C421 D2 C422 D1 C423 A1 C430 A1 C438 A2 C439 B1 C440 A1 C442 A3 C446 C1 C447 B1 C448 A2 FB401 A1 FB403 A2 FB404 A1 FB406 A1 FB407 B1 Q401 B5 Q402 C5 Q403 B5 R401 B2 R402 D4 R403 C1 R404 C4 R405 D1 R406 D4 R407 C1 R409 A3 R412 D2 R413 A3 R414 A3 R415 C2 R416 C2 R417 C4 R418 C4 R419 D4 R420 D4 R421 D4 R425 C4 R429 D2 R431 C2 R440 A4 R441 A4 R446 C5 R447 D5 R454 D2 R462 D2 R465 B4 R466 B5 R467 B5 R468 B5 R469 C4 R470 C5 R471 C5 R472 C5 R475 B4 R476 A5 R477 B5 R478 B5 TP1 D1 U401 B2 U402 A4 http://bbs.520101.com 23 Meridian 1 6.2 Power Board 715G2824-3-5 Adapter BD901A A1 BD901 A1 CN901 D1 CN902 C3 CN903 C2 C900 C3 C901 C1 C902 C1 C903 C1 C904 B1 C905A B1 C906 B2 C907 B2 C908 B2 C909 C2 C912 A4 C915 B4 C917 A4 C918 A4 C921 C3 C924 C3 C928 C1 C929 B4 C931 D3 C932 B5 C937 B3 C938 B2 C939 B4 C940 C1 D900 B2 D901 B2 D903 B2 D906 A3 D907 B3 D909 B3 FB902 A2 F901 C1 F903 B5 GND1 D1 HS1 D2 HS2 D2 HS3 D1 IC901 B2 IC903 B3 IC904 C3 L901 B1 L903 B4 L904 A4 NR901 C1 Q901 B2 Q903 A5 R901 C1 R902 C1 R903 B2 R904 B2 R905 B2 R909 B3 R910 B2 R912 C2 R914 C2 R918 A3 R919 A3 R920 A3 R924 B4 R925 B3 R926 C3 R927 B5 R930 C5 R935 B3 R938 B2 R939 B5 R940 B5 http://bbs.520101.com 24 Meridian 1 CN802 A5 CN804 B5 C801 B1 C802 A2 C804 B3 C805 B2 C806 B1 C808 B3 C809 B3 C810 B2 C811 B3 C812 B1 C813 B4 C814 B4 C815 A3 C817 B4 C818 B1 D801 B3 D803 C5 D806 B3 IC801 B2 PT801 A4 Q802 B3 Q805 A3 Q806 A3 R801 B1 R802 A1 R803 A2 R804 A2 R805 B1 R806 B1 R807 B1 R808 B1 R809 B2 R810 B3 R811 B3 R812 B1 R813 B2 R815 B1 R816 A3 R817 A3 R818 A3 R819 A3 R828 B4 R830 B4 R831 B5 R832 B5 R836 B4 Inverter http://bbs.520101.com 25 Meridian 1 6.3 Key Board 715G3016-1A CN001 B1 C001 B1 C002 B2 C003 B2 C004 B2 C005 B2 C006 C4 C007 C3 C008 C4 C009 C4 C010 C5 JR001 C2 LED001 A2 R001 A3 R002 B3 R004 B3 R005 B3 SW001 C5 SW002 C4 SW003 C5 SW004 C4 SW005 C3 ZD001 C4 ZD002 C3 KEY-PAD-SWITCH http://bbs.520101.com 26 Meridian 1 7. 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���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� http://bbs.520101.com 29 Meridian 1 ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������������������� ���������������������� ���������������������� http://bbs.520101.com 30 Meridian 1 7.3 Key Board 715G3016-1A ���������� ���������� ���������� ���������� ���������� ���������� ���������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� ���������� ��������� http://bbs.520101.com 31 Meridian 1 8. Wiring Diagram Main Board 9Pin 30 Pin Panel NT68667FG/C (U401) CN301 1 9 CN701 7Pin 1 7 CN402 Power Board AC IN CN902 1 13 CN901 13Pin CN102 Key Board 6 Pin 1 6 CN001 1 2 CN802 CN804 29 30 DVI http://bbs.520101.com 32 32 Meridian 1 9. Scalar Board Overview NT68667FG/C Flash ROM DC-DC DVI EEPROM D-SUB EEPROM EEPROM http://bbs.520101.com 33 Meridian 1 10. Mechanical Instructions 1. Place the monitor face down on a smooth surface, and release three screws to remove the stand-base ass’y. Note: Be careful to avoid scratch and injury during the process of uninstall. 2. Use disassembly tool to open 6 latches at top of bezel as follow: 3. The 4 latches at bottom, 4 latches at left and 4 latches at right of bezel are opened with the same way, and then remove rear cover. http://bbs.520101.com 34 34 Meridian 1 4. Remove the key board from the bezel and remove the bezel. 5. Remove main frame. A. Disconnect two connectors and four screws. http://bbs.520101.com 35 Meridian 1 B. Press to release left and right latches of LVDS cable, and then disconnect it. 6. Remove Power Board and Main Board. A. Remove four screws and mainframe. http://bbs.520101.com 36 36 Meridian 1 B. Remove three screws to remove the Power Board and Main Board from mainframe. C. Disconnect three connectors from Main Board. http://bbs.520101.com 37 Meridian 1 11. Repair Flow Chart 11.1 Main Board (1). No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 90-264V is normal Reinsert or check the Adapter/Inverter section X401 oscillate waveforms are normal Check C706, C707 and U703 Replace U401 Replace X401 OK OK OK NG NG NG NG Measure U703 PIN2=3.3V http://bbs.520101.com 38 38 Meridian 1 (2). No Picture Check Correspondent component No picture The button is under control Replace U401 Replace X401 Measure U703 PIN2=3.3V X401 oscillate waveform is normal Check C706, C707 and U703 OK OK OK OK OK NG NG NG NG Check reset circuit of U401 is normal Check HS VS from CN101 is normal Replace X401 Check Correspondent component NG NG OK Replace U401 X401 oscillate waveform is normal http://bbs.520101.com 39 Meridian 1 (3). White screen White screen Check Q301, Q302 is broken or CN301 solder? Check Correspondent component. Replace Panel Check Correspondent component. Replace U401 OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal OK X401 oscillate waveform is normal Measure Q302 base is low level? http://bbs.520101.com 40 40 Meridian 1 11.2. Power/Inverter Board (1) No power Check ZD902 ＝16V Check AC line volt is 90V or 264V Check AC input Check the voltage of C905A (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 Check R904, R905 and Change IC901 NG Check the auxiliary voltage is bigger than 16V and smaller than 32V 1) Check IC901 2) Check R909, D901 circuit OK OK NG Check Q901, IC903, IC904, D906, D907, D909 OK Check IC901 pin5 PWM wave OK Check IC901 NG NG NG OK NG http://bbs.520101.com 41 Meridian 1 (2) W / LED, No Backlight Check ZD902 ＝16V NG OK Check adapter or MB Check ON/OFF signal Check Main Board NG OK Check IC801 PIN6, PIN10=16V NG OK Check ZD802, ZD803 Check IC801 PIN8, 9 have the output of square wave at short time NG OK Change IC801 Check Q805 and Q806 have the output of square wave at short time. NG OK Check Q805, Q806 Check the output of PT801 Check connecter & lamp OK NG Change PT801 http://bbs.520101.com 42 42 Meridian 1 11.3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Is Button Switch normally? Replace Button Switch OK NG NG Is Key Pad Board normally? Replace Key Pad Board OK NG OK Check Main Board http://bbs.520101.com 43 Meridian 1 12. ISP Instruction When do the parts, need the tools as follow: A. An i486 (or above) personal computer or compatible. B. Microsoft operation system Windows 95/98/2000/XP. C. “EasyUSB WriterV4.1” program D. Software ISP SN Alignment kits The kit contents: a. ISP BOARD x1 b. Printer cablex1 c. VGA cable x1 12.1 Install the “EasyUSB WriterV4.1” . 12.2 Connect the ISP board as follow: 12.3 The process of ISP write is as follow: Connect to the PC LPT Connect to the Philips 190V1 http://bbs.520101.com 44 44 Meridian 1 a) Double-click ，running the program as follows: b) Click icon and the program runs as follows: http://bbs.520101.com 45 Meridian 1 c) Click icon, search the correct program and click open: d) Click icon. If it burns successfully, it will show as the follow picture: http://bbs.520101.com 46 46 Meridian 1 13. DDC Instruction General DDC Data Re-programming In case the main EEPROM with Software DDC which store all factory settings were replaced because a defect, repaired monitor’ the serial numbers have to be re-programmed. It is advised to re- soldered the main EEPROM with Software DDC from the old board onto the new board if circuit board have been replaced, in this case the DDC data does not need to be re-programmed. Additional information about DDC (Display Data Channel) may be obtained from Video Electronics Standards Association (VESA). Extended Display Identification Data (EDID) information may be also obtained from VESA. 1. An i486 (or above) personal computer or compatible. 2. Microsoft operation system Windows 95/98/2000/XP. 3. “PORT95NT.exe, TPVDDC5.6.exe” program. 4. Software OSD SN Alignment kits The kit contents: a. OSD SN BOARD x1 b. Printer cablex1 c. VGA cable x 1 d. 12V DC power source 13.1. Install the “PORT95NT.EXE”, and restart the computer. The process of installing “PORT95NT” has been specified in, so it will not be specified again. If you have any problem, please read it. 13.2 Connect the DDC Board as follow: Connect to the PC LPT When you write analog EDID, Connect this port to the Philips 190V1’s VGA port 12V Input http://bbs.520101.com 47 Meridian 1 13.3 The process of ISP write is as follow: a. Double-click ，appear as follow: b. Choose “Analog ” and then click “Loadfile”, it will show the picture as follow: http://bbs.520101.com 48 48 Meridian 1 c. Input the information of the analog, it will show the picture as follow: d. Click “OK”, and choose the correct file. http://bbs.520101.com 49 Meridian 1 e. Click “OK”, and then click “Read A”, it will show the picture as follow: f. Key in the same 14 numbers in the Input SN and Verify SN, then click “Program”, when the analog DDC Write complete, it will show the picture as follow: Note: The way of digital DDC Write is the same as analog. http://bbs.520101.com 50 50 Meridian 1 190V1 EDID Analog 1128 bytes EDID Data (Hex): 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 0: 00 FF FF FF FF FF FF 00 41 0C 81 00 E9 D9 01 00 16: 20 0B 01 03 0E 28 19 78 2A A1 50 A3 57 4C 9D 25 32: 11 50 54 BF EF 80 71 4F 81 80 95 00 95 0F 01 01 48: 01 01 01 01 01 01 9A 29 A0 D0 51 84 22 30 50 98 64: 36 00 98 FF 10 00 00 1C 00 00 00 FF 00 32 33 31 80: 33 31 33 32 31 32 31 33 32 31 00 00 00 FC 00 50 96: 68 69 6C 69 70 73 20 31 39 30 56 0A 00 00 00 FD 112: 00 38 4C 1E 53 0E 00 0A 20 20 20 20 20 20 00 FB Decoded EDID data <---Header---> Header: 00 FF FF FF FF FF FF 00 <-x-Header-x-> <---Vendor/Product Identification---> ID Manufacturer Name: PHL ID Product Code: 0081 ID Serial Number: 0001d9e9 Week of Manufacture: 32 Year of Manufacture: 2001 <-x-Vendor/Product Identification-x-> <---EDID Structure Version/Revision---> EDID Version#: 01 EDID Revision#: 03 <-x-EDID Structure Version/Revision-x-> <---Basic Display Parameters/Features---> Video i/p definition: Analog Signal Level Standard: 0.700V/0.300V(0.700Vpp) Setup: Blank-to-Black not expected http://bbs.520101.com 51 Meridian 1 Separate Sync Support: Yes Composite Sync Support: Yes Sync. on green video supported:Yes Serration of the Vsync.Pulse is not required. Max. H. Image Size : 40cm. Max. V. Image Size : 25cm. Display Gamma: 2.2 DPMS Features, Active off: Yes. Display Type: R/G/B color display. Preferred Timing Mode: Yes. <---Basic Display Parameters/Features---> <---Color Characteristics---> Red x: 0.6386718750 Red y: 0.3417968750 Green x: 0.2968750000 Green y: 0.6142578125 Blue x: 0.1455078125 Blue y: 0.0673828125 White x: 0.3125000000 White y: 0.3291015625 <-x-Color Characteristics-x-> <---Established Timings---> Established Timings 1: BF -720x400 @70Hz VGA,IBM -640x480 @60Hz VGA,IBM -640x480 @67Hz Apple,Mac II -640x480 @72Hz VESA -640x480 @75Hz VESA -800x600 @56Hz VESA -800x600 @60Hz VESA Established Timings 2: EF -800x600 @72Hz VESA -800x600 @75Hz VESA -832x624 @75Hz Apple,Mac II -1024x768 @60Hz VESA -1024x768 @70Hz VESA -1024x768 @75Hz VESA -1280x1024 @75Hz VESA Established Timings 3: 80 -1152x870 @75Hz Apple,Mac II http://bbs.520101.com 52 52 Meridian 1 <-x-Established Timings-x-> <---Standard Timing Identification---> -1152x864 @75 -1280x1024 @60 -1440x900 @60 -1440x900 @75 <-x-Standard Timing Identification-x-> <---Detailed Timing Descriptions---> Detailed Timing: 1440x900 @ 60Hz. <-x-Detailed Timing Descriptions-x-> <---Detailed Timing Descriptions---> Detailed Timing: FF (Monitor SN) '231313212132' Detailed Timing: FC (Monitor Name) 'Philips 190V' Detailed Timing: FD (Monitor limits) Min. V. rate: 56Hz Max. V. rate: 76Hz Min. H. rate: 30KHz Max. H. rate: 83KHz Max. Pixel Clock: 140MHz <-x-Detailed Timing Descriptions-x-> Extension Flag: 00 Checksum: FB http://bbs.520101.com 53 Meridian 1 Digital (only for 220E1SB/69) 128 bytes EDID Data (Hex): 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 0: 00 FF FF FF FF FF FF 00 41 0C 81 00 29 E7 04 00 16: 15 0D 01 03 80 28 19 78 2A A1 50 A3 57 4C 9D 25 32: 11 50 54 BF EF 80 71 4F 81 80 95 00 95 0F 01 01 48: 01 01 01 01 01 01 9A 29 A0 D0 51 84 22 30 50 98 64: 36 00 98 FF 10 00 00 1C 00 00 00 FF 00 31 32 33 80: 32 33 32 31 33 32 31 33 32 31 00 00 00 FC 00 50 96: 68 69 6C 69 70 73 20 31 39 30 56 0A 00 00 00 FD 112: 00 38 4C 1E 53 0E 00 0A 20 20 20 20 20 20 00 40 Decoded EDID data <---Header---> Header: 00 FF FF FF FF FF FF 00 <-x-Header-x-> <---Vendor/Product Identification---> ID Manufacturer Name: PHL ID Product Code: 0081 ID Serial Number: 0004e729 Week of Manufacture: 21 Year of Manufacture: 2003 <-x-Vendor/Product Identification-x-> <---EDID Structure Version/Revision---> EDID Version#: 01 EDID Revision#: 03 <-x-EDID Structure Version/Revision-x-> <---Basic Display Parameters/Features---> Video i/p definition: Digital Max. H. Image Size : 40cm. Max. V. Image Size : 25cm. http://bbs.520101.com 54 54 Meridian 1 Display Gamma: 2.2 DPMS Features, Active off: Yes. Display Type: R/G/B color display. Preferred Timing Mode: Yes. <---Basic Display Parameters/Features---> <---Color Characteristics---> Red x: 0.6386718750 Red y: 0.3417968750 Green x: 0.2968750000 Green y: 0.6142578125 Blue x: 0.1455078125 Blue y: 0.0673828125 White x: 0.3125000000 White y: 0.3291015625 <-x-Color Characteristics-x-> <---Established Timings---> Established Timings 1: BF -720x400 @70Hz VGA,IBM -640x480 @60Hz VGA,IBM -640x480 @67Hz Apple,Mac II -640x480 @72Hz VESA -640x480 @75Hz VESA -800x600 @56Hz VESA -800x600 @60Hz VESA Established Timings 2: EF -800x600 @72Hz VESA -800x600 @75Hz VESA -832x624 @75Hz Apple,Mac II -1024x768 @60Hz VESA -1024x768 @70Hz VESA -1024x768 @75Hz VESA -1280x1024 @75Hz VESA Established Timings 3: 80 -1152x870 @75Hz Apple,Mac II <-x-Established Timings-x-> <---Standard Timing Identification---> -1152x864 @75 -1280x1024 @60 -1440x900 @60 http://bbs.520101.com 55 Meridian 1 -1440x900 @75 <-x-Standard Timing Identification-x-> <---Detailed Timing Descriptions---> Detailed Timing: 1440x900 @ 60Hz. <-x-Detailed Timing Descriptions-x-> <---Detailed Timing Descriptions---> Detailed Timing: FF (Monitor SN) '123232132132' Detailed Timing: FC (Monitor Name) 'Philips 190V' Detailed Timing: FD (Monitor limits) Min. V. rate: 56Hz Max. V. rate: 76Hz Min. H. rate: 30KHz Max. H. rate: 83KHz Max. Pixel Clock: 140MHz <-x-Detailed Timing Descriptions-x-> Extension Flag: 00 Checksum: 40 http://bbs.520101.com 56 56 Meridian 1 14. White Balance, Luminance Adjustment 1. Apparatuses and program: analyzer CA-210, PC, tool, FGA adjustment program (PHILIPS 190V1.DDCI), Pattern generator. 2. Equipment installation: a. Connect analyzer CA-210 to PC by USB connector, install drive program CA-SDK Ver4.00 for CA-210 and restart PC after finish installing b. Install Port95NT drive program, set PC printer connector mode as ECP mode and reset PC after finish installing. c. Connect tool as follow: Note: It’s not necessary to connect Port2. 3. Adjustment Preparation before adjustment: a. Monitor should be warmed up for more than half an hour. b. Make sure that the tools are connected right and drive programs have been installed OK. Adjustment process: a. Press the power of CA-210, shut off the lens, press 0-Cal and open the lens after analyzer reset. b. Open white balance adjustment program, select the right parameter according with the program and click OK. c. Make sure that the lens of CA-210 aims at the center of the screen, then click START to adjust. d. After finish adjusting, the adjustment program displays pass, and the START button changes for NEXT, which means that you can adjust another monitor. To PC LPT To BSG-265A or equivalent instrument To PC Port 2 Philips 190V1 http://bbs.520101.com 57 Meridian 1 4. Color Temp confirmation Connect the signal to the monitor, the monitor displays white-picture, use CA-210 to measure the Color Temp of the screen center and select the OSD to make sure whether the Color Temps accord with the SPEC. http://bbs.520101.com 58 58 Meridian 1 15. Monitor Exploded View http://bbs.520101.com 59 Meridian 1 16. Recommended & Spare Parts List 190V1SB/93 Item Location PCM Codes Description Remark 1 FQ106 Q34G0410ADTC1B0130 BEZEL (HUDSON9-190V) 2 FQ405 Q33G0170ADT 1L KEY PAD 3 FQ004 KEPC9QV9 KEY BOARD ASSY 4 FQ001 750GLG190W1H13N000 PANEL LM190WX1-TLH1 GZ LGD 4 FQ001 750GLM190A1G12N000 PANEL M190A1-L0G C1(B1) NB CMO 5 FQ002 756GQ9CB PH006 SCALER BOARD(CBPC9NDPHQP) LGD 5 FQ002 756GQ9CB PH007 SCALER BOARD(CBPC9NDPHQP) CMO 6 FQ003 PWPC9921MYC1 POWER BOARD ASSY 7 FQ105 Q34G0265ADT AB0100 REAR COVER19" LGD 7 FQ105 Q34G0265ADT 5B0100 REAR COVER19 CMO 8 FQ103 705GQ834046 STAND BASE ASSY E08902 089G 728CAA 2G SIGNAL CABLE E08907 089G179J30N576 FFC CABLE FQ301 089G414A15N IS POWER CORD FQ204 Q70G900281310A 190V1 CD MANUAL FQ205 705GQ8CS002 CUSHION ASSY FQ202 Q44G9115813 6A 19W LCD PHILIPS CARTON FQ206 Q41G780A81325A 190V1 QSG IC903 056G 139 3A IC PC123Y22FZ0F T901 080GL22T 3 S1 X'FMR 490uH PT801 080GL24T 23 H INVERTER X'FMR 68.5uH IC901 056G 379128 IC LD7576 GS SOP-8 IC801 056G 608 12 IC ta9687GN-A-0-TR SOP-16 IC904 056G 158 12 KIA431A-AT/P TO-92 F901 084G 56 4 B FUSE 4A 250V F903 084G 56 4 B FUSE 4A 250V U402 100GPNG9003NT1 MCU ASSY(056G1133713) LGD U402 100GPNM9002NT1 MCU ASSY(056G1133713) CMO X401 093G 2251B J NXS12.000AC30F-BT-2 U401 056G 562584 IC NT68667FG/C QFP-128L U703 056G 563 52 IC AP1117D33L-13 TO252-3L DIODES U103 056G 662502 IC ESD AZC199-04S SOT23-6L U104 056G 662502 IC ESD AZC199-04S SOT23-6L http://bbs.520101.com 60 60 Meridian 1 U105 056G 662502 IC ESD AZC199-04S SOT23-6L U106 056G 662502 IC ESD AZC199-04S SOT23-6L U107 056G 662502 IC ESD AZC199-04S SOT23-6L Service Kit Description Part No. Philips 12NC Picture DDC KIT 715G2005C2 996500043197 NOVATEK ISP KIT 715LT035A 996500043198 http://bbs.520101.com 61 Meridian 1 17. Different Parts List Diversity of 190V1SB /00 compared with 190V1SB/93 190V1SB /00 190V1SB /93 Location PCM Codes Description PCM Codes Description FQ301 089G404A15N IS POWER CORD 089G414A15N IS POWER CORD FQ202 Q44G9115813 4A 19W LCD PHILIPS CARTON Q44G9115813 6A 19W LCD PHILIPS CARTON Diversity of 190V1SB /62 compared with 190V1SB/93 190V1SB /62 190V1SB /93 Location PCM Codes Description PCM Codes Description FQ301 089G404A15N IS POWER CORD 089G414A15N IS POWER CORD FQ002 756GQ9CB PH021(LGD) SCALER BOARD(CBPC9NDPHQ5) 756GQ9CB PH006 SCALER BOARD(CBPC9NDPHQP) FQ002 756GQ9CB PH019(CMO) SCALER BOARD(CBPC9NDPHQ5) 756GQ9CB PH007 SCALER BOARD(CBPC9NDPHQP) U402 100GPNG9009NT1(LGD) PHILIPS 190V1 100GPNG9003NT1 MCU ASSY(056G1133713) U402 100GPNM9005NT1(CMO) PHILIPS 190V1 100GPNM9002NT1 MCU ASSY(056G1133713) FQ105 Q34G0265ADT 9B0100(LGD) REAR COVER19" Q34G0265ADT AB0100 REAR COVER19" FQ105 Q34G0265ADT 4B0100(CMO) REAR COVER19" Q34G0265ADT 5B0100 REAR COVER19" FQ202 Q44G9115813 5A 19W LCD PHILIPS CARTON Q44G9115813 6A 19W LCD PHILIPS CARTON http://bbs.520101.com 62 62 Meridian 1 Diversity of 190V1SB/27 compared with 190V1SB/93 190V1SB/27 190V1SB/93 Location PCM Codes Description PCM Codes Description FQ301 089G402A15N IS POWER CORD 089G414A15N IS POWER CORD http://bbs.520101.com 63 Meridian 1 18. General Product Specification TABLE OF CONTENTS 1. FOREWORD 2. PRODUCT PROFILE 2.1 LCD 2.2 SCANNING FREQUENCIES 2.3 AMBIENT TEMPERATURE: 0℃-40℃ 3. ELECTRICAL CHARACTERISTICS 3.1 INTERFACE SIGNALS 3.2 INTERFACE 3.3 TIMING REQUIREMENT 3.4 HORIZONTAL SCANNING 3.5 VERTICAL SCANNING 3.6 POWER INPUT CONNECTION 3.7 POWER MANAGEMENT (SUPPORT TO INPUT) 3.8 VGA DISPLAY IDENTIFICATION 3.9 DATA FOR EDID & INF FILE 3.10 HOT-KEY DEFINITION 4. VISUAL CHARACTERISTICS 4.1 TEST CONDITIONS 4.2 BRIGHTNESS 4.3 IMAGE SIZE 4.4 BRIGHTNESS UNIFORMITY 4.5 CHECK CROSS TALK(S) 4.6 WHITE COLOR ADJUSTMENT 5. MECHANICAL CHARACTERISTICS 5.1 COSMETIC - - Philips ID 5.2 MECHANICAL DATA FILES ------ PROE FILES REQUIRED 5.3 LOCATION OF PHILIPS LOGO ------- PER PHILIPS MAKE-UP SHEET 5.4 GAP BETWEEN PANEL AND FRONT BEZEL ------- <1.4mm (type), AGREED BY PHILIPS. 5.5 LOCATION OF CONTROL ICONS ------- PER PHILIPS GRAPHIC SHEET 5.6 COLOR FOR RESIN/PAINT ------- PER PHILIPS MAKE-UP SHEET 5.7 RESINS 5.8 IF PAINT IS USED 5.9 PLASTIC MOLD TOOLING 5.10 PLASTICS FLAMMABILITY 5.11 TEXTURE/GLOSSING OF HOUSING 5.12 TILT AND SWIVEL BASE 5.13 KENNSINGTON LOCK 5.14 LABEL 5.15 PRODUCT DIMENSION/WEIGHT (REFER TO PHILIPS APPROVED SHT 191) 5.16 TRANSPORTATION 5.17 PALLET/CONTAINER LOADING http://bbs.520101.com 64 64 Meridian 1 6. ENVIRONMENTAL CHARACTERISTICS 6.1 SUSCEPTIBILITY OF DISPLAY TO EXTERNAL ENVIRONMENT 6.2 TRANSPORTATION TESTS 6.3 DISPLAY DISTURBANCES FROM EXTERNAL ENVIRONMENT 6.4 DISPLAY DISTURBANCES TO EXTERNAL ENVIRONMENT 7. RELIABILITY 7.1 MEAN TIME BETWEEN FAILURES 8. QUALITY ASSURANCE REQUIREMENTS 8.1 ACCEPTANCE TEST 9. PHILIPS’ FLAT PANEL MONITORS PIXEL DEFECT POLITY 10. REGULATORY COMPLIANCE 10.1 WORLDWIDE REGULATORY 10.2 EMC REQUIREMENTS 10.3 ROHS 10.4 WEEE 10.5 ONGOING REGULATORY http://bbs.520101.com 65 Meridian 1 1. FOREWORD This specification describes a 19” WXGA multi-scan color TFT LCD monitor with maximum resolution up to1440*900 /75Hz non-interlaced. All optical characteristics (including White-D, Brightness and so on) are determined according to panel specification after warming up approximate 30 minutes that brightness stability is optimal, and follow strictly after panel specification. 2. PRODUCT PROFILE This display monitor unit is a color display monitor enclosed in Philips styling cabinet which has an integrated tilt base. LCD Tier1: 1. LGD 19”, CMO 19” Type NR. : LGD,LM190WX1-TLH1 Outside dimensions : 428.0(W) x 278.0(H) x 16.5(D) mm(Typ.) Pitch (mm) : 0.2835(H) x 0.2835(V) Color pixel arragnement : RGB vertical stripe Display surface : Hard coating (3H), Anti-glare treatment of the front polarizer Color depth : 16.7M colors Backlight : CCFL edge light system Active area (W xH) : 408.24 mm x 255.15 mm View angle : R/L 170(Typ.), U/D 160(Typ.) Contrast ratio : 1000:1 (Typ.) DCR : 12000:1 White Luminance : 250 cd/m2 ( Center 1Point, Typ.) Gate IC : Source IC : Response time :5ms (Typ.) MTBF : Type NR. : CMO, M190A1-L0G Outside dimensions : 428 (W) x 278(H) x 16.0(D) (Typ) mm Pitch (mm) : 0.2835(H) x 0.2835(V) Display surface : Low reflection, antiglare with hard coating Color depth : 16.7M colors Backlight : CCFL edge light system Active area (W x H) : 408.24 mm x 255.15 mm View angle (CR>10) : Horizontal 85(Typ.), Vertical 80(Typ.) Contrast ratio : 630:1(Min) 1000:1(Tye) DCR : 12000:1 White Luminance : 250 nits (Typ.) Gate IC : Source IC : Response time :5ms (Typ.) MTBF : http://bbs.520101.com 66 66 Meridian 1 2.2 Scanning frequencies Hor. : 30 – 80 KHz Ver. : 56 - 76 Hz Video dot rate : <140 MHz Power input : 90-264 V AC, 50/60 ± 2 Hz Power consumption : <25W maximum, < 22W (Typ.) Functions: （1）D-SUB analog R/G/B separate inputs, H/V sync separated, Composite (H+V) TTL level, SOG sync 2.3 Ambient temperature: 0 °C - 40 °C 3 ELECTRICAL CHARACTERISTERS 3.1 Interface signals (1) D-sub analog Input signal :Video, Hsync, Vsync Video :0.7 Vp-p, input impedance, 75 ohm @DC Separate sync TTL level, input impedance 2.2K ohm terminate :Hsync Positive/Negative :Vsync Positive/Negative Sync Composite sync TTL level, input impedance 2.2k ohm terminate (Positive/Negative) Sync on green video 0.3 Vp-p Negative (Video 0.7 Vp-p Positive) 3.2 Interface 3.2.1 D-SUB Cable Length 1.5m +/- 50mm Not fix with monitor when packing (agreed by Philips), with transplant pin protective cover. Connector type D-sub male with DDC2B pin assignments Blue connector thumb-operated jack screws Pin assignments PIN No. SIGNAL 1 Red 2 Green/ SOG 3 Blue 4 Sense (GND) 5 Cable Detect (GND) 6 Red GND 7 Green GND 8 Blue GND 9 DDC +3.3V or +5V 10 Logic GND 11 Sense (GND) 12 Bi-directional data 13 H/H+V sync 14 V-sync 15 Data clock http://bbs.520101.com 67 Meridian 1 3.2.2 Software control functions via OSD/Control adjustment functions Please refer to following Hudson 8 OSD definitions Auto\Back Input\ ▼ Brightness\ ▲ Menu\Enter Power Reset - No: Exit Yes: Auto adjustment for displaying timing mode and recall factory preset OSD Languages English Spanish French German Italian Portuguese Russian Turkish S. Chinese OSD Tree Level 1 Level 2 Level 3 Default Note Brightness (0~100) 100 Picture Contrast (0~100) 50 Color Temp. (6500K,9300K) 6500K sRGB (Red:0~100) 100 (Green:0~100) 100 Color User Define (Blue:0~100) 100 English (English) Factory reset only Espanol Francais Deutsch Italiano Portugues Russia Turkish Language S.Chinese Horizontal (0~100) 50 Vertical (0~100) 50 Transparency (Off, 1, 2, 3, 4) Off OSD Setting OSD Time out (5, 10, 20, 30, 60) 20 http://bbs.520101.com 68 68 Meridian 1 Phase (0~100) Clock (0~100) H.Position (0~100) V.Position (0~100) Reset (Yes, No) No Resolution Notification (On, Off) Off Setup Information Power on Logo 1024x768_philips_de sktop_1.bmp Power on� Show PHILIPS logo 3 sec. --> change to input signal Any deviation between document and sample, than refer to approved sample by Philips. 3.3 Timing requirement Factory Preset mode definition: 1. Perfect FOS while presenting all required timings 2. Required timing need to be specified in User’s Manual User mode 1. Can be showed (not over scalar or panel spec.) 2. It needs to reserve the 22 timings space in memory size. 3.3.1 Mode storing capacity Factory preset modes : 11 User modes : 22 Notes: 1. Screen displays perfect picture at 11 factory-preset modes 2. Screen displays visible picture with OSD warning when input modes are the 22 reset mode 3.3.2 Factory preset modes Factory modes and preset modes are defined in the enclosed timing table file Support Timing Preset Timing Resolution Pixel Rate ( MHz ) Horizontal ( KHz ) Vertical ( Hz ) V_Total ( Line ) Polarity ( H / V ) * DOS 640x350/70 25.18 31.47 70.09 449 p / n * * DOS 720x400/70 28.32 31.47 70.09 449 n / p * * DMT 4:3 640x480/60 25.18 31.47 59.94 525 n / n * MAC 640x480/67 30.24 35.00 66.67 525 n / n * DMT 4:3 640x480/72 31.50 37.86 72.81 520 n / n * * DMT 4:3 640x480/75 31.50 37.50 75.00 500 n / n * DMT 4:3 800x600/56 36.00 35.16 56.25 625 p / p http://bbs.520101.com 69 Meridian 1 * * DMT 4:3 800x600/60 40.00 37.88 60.32 628 p / p * DMT 4:3 800x600/72 50.00 48.08 72.19 666 p / p * * DMT 4:3 800x600/75 49.50 46.88 75.00 625 p / p * MAC 832x624/75 57.28 47.73 74.55 667 n / n * * DMT 4:3 1024x768/60 65.00 48.36 60.00 806 n / n * DMT 4:3 1024x768/70 75.00 56.48 70.07 806 n / n * * DMT 4:3 1024x768/75 78.75 60.02 75.03 800 p / p * DMT 1152x864/75 108.00 67.50 75.00 900 p / p * MAC 1152x870/75 100.00 68.68 75.06 915 n / n * SUN 1152x900/66 92.94 61.80 65.95 937 p / p * SUN 1152x900/76 105.56 71.71 76.05 943 p / p * CVT 16:9 1280x720/60 74.50 44.77 59.86 748 n / p * CVT 16:9 1280x720/75 95.75 56.46 74.78 755 n / p * CVT 15:9 1280x768/60 79.50 47.78 59.87 798 n / p * CVT 15:9 1280x768/75 102.25 60.29 74.89 805 n / p * CVT 1280x800/60 83.50 49.70 59.81 831 n / p * CVT 1280x800/75 106.50 62.80 74.93 838 n / p * DMT 4:3 1280x960/60 108.00 60.00 60.00 1000 p / p * * DMT 5:4 1280x1024/60 108.00 63.89 60.02 1066 p / p * SUN 5:4 1280x1024/66 117.00 71.70 67.00 1067 p / p * * DMT 5:4 1280x1024/75 135.00 79.98 75.03 1066 p / p * SUN 5:4 1280x1024/76 138.01 81.10 76.00 1066 n / n * DMT 16:9 1360x768/60 85.50 47.71 60.02 795 p / p * CVT 16:9 1360x768/75 109.00 60.29 74.89 805 n / p * CVT 1440x900/60_RB 88.75 55.47 59.90 926 p / n * CVT 1440x900/60 106.50 55.94 59.89 934 n / p * * CVT 1440x900/75 136.75 70.64 74.98 942 n / p 33 11 3.4 Horizontal scanning Sync polarity : Positive or Negative Scanning frequency : 30-83KHz 3.5 Vertical scanning Sync polarity : Positive or Negative Scanning frequency : 56-76Hz 3.6 Power input connection Power cord length :1.5m Power cord type :3 leads power cord with protective earth plug http://bbs.520101.com 70 70 Meridian 1 3.7 Power management (supplier to input) The monitor must comply with the Microsoft on Now specification and meet EPA requirement. Mode HSYNC VSYNC Video Pwr-cons. Indication Rec. time < 25W Max. Power-On On On active <22W Typ. Green LED -- Power saving Off Off blanked < 0.8W Amber LED < 3 s DC Power Off N/A < 0.5 W LED Off * Energy star report less than 33 watt 3.8 VGA Display identification In accordance with VESA Display Channel Standard Ver.1.0 and DDC 2B capability 3.9 Data for EDID & INF file Data for EDID & .inf file 1 User visible strings on .inf file Philips 190V1(19inch WIDE LCD MONITOR 190V1) 2 Manufacturer ID ( EDID data) PHL MSB(byte 12): 08 3 Product ID, "xxxx" 4 codes LSB (byte 11): 81 4 maximum resolution 1440x900 5 Horizontal Frequency Range 30~83 KHz 6 Vertical Frequency Range 55~76Hz 7 Monitor Name (13 characterizes max.) Philips 190V 3.10 Hot-key definition Item Key Key press time OSD Timeout OSD Message Monitor Controls Lock [Menu] 6 sec 5 sec MONITOR CONTROLS LOCKED MONITOR CONTROLS UNLOCKED (default) Factory Mode [AUTO]+[Menu]+[Power] DDC/CI On/OFF for VISTA [MENU]+[DOWN] 5 sec 5 sec DDC/CI ON (default) DDC/CI OFF Any deviation between document and sample, please refer to Philips approved sample. http://bbs.520101.com 71 Meridian 1 4 Visual characteristics 4.1 Test conditions Unless otherwise specified, this specification is defined under the following conditions. As defined in 3.3, 1440*900 (1) Input signal: non-interlaced mode (1440*900@60Hz 140MHz), signal sources must have 75 ohm output impedance (2) Luminance setting: controls to be set to 300 nits with full screen 100 % duty cycle white signal (3) Warm up: More than 30 minutes after power on with signal supplied. (4) Ambient light: 400 -- 600 lux (5) Ambient temperature: 20 ± 5 °C 4.2 Brightness To follow Panel specification 4.3 Image size Actual display size: Refer to 2.1 LCD PANEL spec. 4.4 Brightness uniformity Set contrast at 100% and turn the brightness to get average above 300 nits at centre of the screen. Apply the Fig 1; it should comply with the following formula: B_min X 100% > 75% (Follow panel spec) B_max Where B_max =Maximum brightness B_min = Minimum brightness 4.5 Check Cross talk(s) Apply Pattern 2. Set contrast and brightness at 100 %. Measure YA. Then output Pattern 3 and measure YB. The cross talk value: ABS (YA - YB) ⎯⎯⎯⎯⎯⎯⎯⎯⎯ X 100% < 1.5 % YA 4.6 White Color adjustment There are three factory preset white color 9300K, 6500 and sRGB align by FGA function. Apply full gray 64 pattern, with brightness in 100 % position and the contrast control at 50 % position. The 1931 CIE Chromaticity (color triangle) diagram (x, y) coordinate for the screen center should be: Product specification CIE coordinates (x,y) 9300K x = 0.283 ± 0.015 y = 0.297 ± 0.015 6500K/sRGB x = 0.313 ± 0.015 y = 0.329 ± 0.015 sRGB x = 0.313 ± 0.015 y = 0.329 ± 0.015 http://bbs.520101.com 72 72 Meridian 1 5 Mechanical characteristics 5.1 Cosmetic Philips ID 5.2 Mechanical data files ProE files required 5.3 Location of Philips Logo Per Philips make-up sheet 5.4 Gap between panel and front bezel < 1.4mm (typ.) 5.5 Location of Control Icons Per Philips Graphic sheet 5.6 Color for resin/paint Per Philips make-up sheet 5.7 Resins • RoHS required • WEEE required. • Resin type/selection refers to Project Book Section 7.2 Plastic material. 5.8 If paint is used • RoHS required • WEEE require • If new painting type needs to implement, refer to UN-D 1235. 5.9 Plastic mold tooling • Tooling to be designed to minimize cosmetic defects induced by molding process (sink, blush, weld lines, gate marks, ejector marks, etc.). Refer to “TYV61-90007”. • Painting to cover up cosmetic defects due to molding is strongly discouraged. • China RoHS mark requested. 5.10 Plastics flammability • All Plastics to be Flame Retardant UL 94-HB. • Base / Rear to be Flame Retardant UL 94-HB • All major plastic parts (bezel, back cover) need to be molded from same resin. Plastic resin type selection should be referred to “TY R83-2-9002-1”. 5.11 Texture/Glossing of housing • The texture area and texture no should follow Philips make-up sheet. • The exterior surfaces shall have a uniform texture. • Philips must approve the mold texturing. • Detail document for texture refer to “UN-D249”, “UN-D 600”. • > = 80 gloss units http://bbs.520101.com 73 Meridian 1 5.12 Tilt and swivel base • Tilt angle : -5 ° +2/- 0 ° (forward) +20 °+0/- 2 ° (backward) • Tilt for left and right: ︱A-B︱≤4.0mm • Black side and cut side： 1. Visual area H：｜L-R｜≤1.5mm V：｜U-D｜≤1.5mm 2. Black side on the left and right is symmetrical, not cut side. • Gap between bezel and rear cover 0.4 mm (Typ.) • Step between bezel and rear cover Left, right and top: ≤0.6mm Bottom and corner: ≤1.1mm • "Wobble", "Twist", etc (front to back or side to side) Whole monitor set shall retain stability within a short time after the applied external force disappears. 20NT , 6secs（Max.） back to stable. 5.13 Kensington Lock • Must meet Kensington_slot.spec “TYE-M0004”. 5.14 Label • Carton label should follow Philips requirement. • Regulatory label follow Philips requirement • China RoHS label • Detail document refer to Philips Engineering Reference Book 5.15 Product dimension / Weight (Refer to Philips approved SHT 191/SHT560) • Unit dimension : 439(w)*363(H)*191(D) • Packed unit dimension: : 490(w)*375(D)*145(H) • Net weight : 3.98Kg • Gross weight : 4.95Kg. 5.16 Transportation Transportation standards refer to TPV standard 5.16.1 Transportation packages Packaging and wrapping shall be sufficient to protect the product against damage or loss during shipment from the supplier to the destination specified in the purchase order. All packaging materials are subject to test and evaluation per TPV standard. The cushion material shall be constructed using EPS material. R L U D A B http://bbs.520101.com 74 74 Meridian 1 5.16.2 Transportation Test Follow TPV standard Transportation test specification for all regions • Random Vibration test • Drop test 5.17 Pallet / Container loading Transportation standards refer to TPV standard. • Air shipment. • Sea container 20'(pallet/slip sheet) • Sea container 40'(pallet/slip sheet) • Sea container 40' High Cube (pallet/slip sheet) • Land 53‘ Truck and Trailer (800X1200mm pallet) • Land 45‘ Truck and Trailer (1000X1200mm pallet) • Truck shipment. 6 Environmental characteristics The following sections define the interference and susceptibility condition limits that might occur between external environment and the display device. 6.1 Susceptibility of display to external environment Operating Temperature : 0 to 40 degree C Humidity : 20~90% RH (non-condensed) Altitude : 0-10000 ft Storage Temperature : -20 to 60 degree C Humidity : 10~90% RH (non-condensed) Altitude : 0-30000 ft Note: Please also refer to DQE requirements. 6.2 Transportation tests Refer to 5.15.2 6.3 Display disturbances from external environment According to IEC 801-2 for ESD disturbances 6.4 Display disturbances to external environment http://bbs.520101.com 75 Meridian 1 7 Reliability 7.1 Mean Time between Failures System MTBF (excluding the LCD panel and CCFL): Refer to 2.1 panel MTBF 8 Quality assurance requirements 8.1 Acceptance test According to MIL-STD-105D Control II level 0.4 (major) AQL: 1.5 (minor) (Please also refer to annual quality agreement) Customer acceptance criteria: UAW0377/00 9 Philips’ Flat Panel Monitors Pixel Defect Policy Philips’ Flat Panel Monitors Pixel Defect Policy BRIGHT DOT DEFECTS ACCEPTABLE LEVEL MODEL 190V1 1 lit sub-pixel 3 2 adjacent lit sub-pixels 1 3 adjacent lit sub-pixels (one white pixel) 0 Distance between two bright dot defects* ≧25mm Bright dot defects within 20 mm circle 0 Total bright dot defects of all type 3 BLACK DOT DEFECTS ACCEPTABLE LEVEL Model 190V1 1 dark sub-pixel 5 2 adjacent dark sub-pixels 2 3 adjacent dark sub-pixels (one white pixel) 0 Distance between two black dot defects* 15mm ≧ Black dot defects within 20 mm circle* 1 Total black dot defects of all type 5 TOTAL DOT DEFECTS ACCEPTABLE LEVEL Model 220E1 Total bright or black dot defects of all type 5 * 1 or 2 adjacent sub-pixel defects = 1 dot defect http://bbs.520101.com 76 76 Meridian 1 Fig 1: Measurement locations of Brightness Uniformity Fig 2: Cross talk pattern Gray level 46 (64 Gray level) YA 1/2 1/2 1/6 Fig 3: Cross talk Pattern Center at Gray level 0 (Black) YB 1/2 1/2 1/6 1/3 1/3 1/3 1/3 1/3 http://bbs.520101.com 77 Meridian 1 10 REGULATORY COMPLIANCE 10.1 Worldwide Regulatory REGION (RSO) COUNTRY (NSO) DOMAIN SAFETY / EMC / ERGONOMICS / STANDARDS DOCUMENTS REFERENCE LOGO APPLICAN T Mandato ry V-lin e Remark World wide World wide Sa IEC60950-1:2001. Group and national differences of all countries listed in CB Bulletin No. 107A CB Report, certificate OEM Yes Yes Manufacture and Applicant is Philips Maximum ambient temperature:40°C Sa European Low Voltage Directives 73/23/EEC and 93/68/EEC, 2004/108/EC Declaration of Conformity and Identity declaration OEM Yes Yes EUROPE E European Electromagnetic Compatibility Directive 2004/108/EC EN55022:2006, EN55024:1998+A1:2001+ A2:2003, EN61000-3-2:2006, EN61000-3-3:1995+A1:20 01+A2:2005 EMC/CE test report OEM Yes Yes HDMI have to test PC mode and DVD mode Sa EN60950-1:2001 TUV certificate OEM Optional No Philips is OEM licence holder O LCD: ISO13406-2, prEN 50279:1998 TUV-ERG certificate and TUV ISO13406-2 report OEM Optional No Philips is OEM licence holder O GS-Mark / EK1-ITB 2000 TUV-GS certificate OEM Optional No Philips is OEM licence holder O ISO13406-2 TUV ISO13406-2 certificate OEM Optional No Philips is OEM licence holder GERMANY O TUV MPR-II TUV MPR-II certificate OEM Optional No Philips is OEM licence holder Europe SWEDEN Sa EN60950-1:2001 SEMKO certificate OEM Optional No Philips is licence holder http://bbs.520101.com 78 78 Meridian 1 O TCO'99 TCO report and certificate OEM Optional No To add all sales name into certificate O TCO'03, or TCO'0x supersedes new standard TCO report and certificate OEM Optional No To add all sales name into certificate O TCO'06 TCO report and certificate OEM Optional No To add all sales name into certificate Sa EN60950-1:2001 S+ PZ1 certificate Yes No E EN55020,EN55024, IEC61000-3-2 ,IEC61000- 3-3 S+ PZ1 certificate Yes No Supplier to contact Philips NSO Heidi and apply for Switzerland certification. Supplier to pay approbation cost 2450 CHF each model and each extend model 300 CHF. To provide CB, EMC report, Identity Declaration, DFU, Label, Circuit diagram, PO, Power of Attorney. To add all sales name and /00, /05, /69 into certificate. Switzerland O EMF EN 50392 EN 50392 report OEM Yes No Supplier ship out 1 samples to Netherlands and provide EN50392 report (test fee 750EU) Sa EN60950-1:2001 Certificate of Conformity Philips Yes Yes Eastern Europe E EN55022,EN55024, IEC61000-3-2 ,IEC61000- 3-3 Certificate of Conformity Philips Yes Yes Supplier ship out 3 samples to Hungary and pay transportation cost. Supplier to provide CB, EMC report, Identity Declaration, DFU, Label, Circuit diagram. http://bbs.520101.com 79 Meridian 1 RUSSIA Sa GOST R 50377-1992 GOST certificate Philips Yes Yes Supplier to provide CB, EMC, ISO13460-2 report and TCO certificate ISRAEL Sa IS 1121, IEC60950/IEC60950-1 Certificate of Conformity OEM Yes No ISRAEL E CISPR22 Certificate of Conformity OEM Yes No Need to provide Israel user manual and Local representative Sa Korean Safety Control law IEC 60950 eK certificate OEM Yes No NOT REQUIRED KOREA E Regulations laws: EMI 1996-78, 80. EMS 1996-79,81 MIC certificate OEM Yes No NOT REQUIRED SINGAPOR E Sa IEC60950 PSB certificate OEM Yes Yes Supplier to provide local representative Sa GB4943-2001 CCC certificate OEM Yes Yes E GB9254-1998; 17625.1-2003 CCC certificate OEM Yes Yes Supplier have to check regulation information on rating label, cartor label, user maunal to meet all mandatory regulation. Supplier to provide CCC permission of printing CHINA O CSC/G1205-2004 CECP certificate OEM Optional No Sa CNS-14336 (IEC 60950-1) BSMI certificate OEM Yes Yes E CNS-13438 (CISPR22) Class B BSMI certificate OEM Yes Yes To add all sales name into certificate AP TAIWAN O Criteria 18 ( Monitor ) ( LCD ) GreenMark / certificate OEM Optional No NOT REQUIRED http://bbs.520101.com 80 80 Meridian 1 AUSTRALI A/ NEW-ZEAL AND E AS/NZS3548:1995 AS/NZS CISPR22: 2002 Class B CB, EMC report OEM Yes Yes Supplier ship out 1 sample to Australia and pay transportation cost, Supplier to apply for C-Tick through Philips NSO Saudi Arabia Sa EN60950-1:2001 SASO OEM Yes Yes Saudi Arabia Sa EN55022, EN61000-3-2, EN61000-3-3, EN55024 SASO OEM Yes Yes Japan E VCCI class B ( CISPR 22 ) VCCI Certificate OEM Yes No NOT REQUIRED Cambodia Sa EN60950-1:2001 ISC certificate OEM Yes No Kuwait Sa EN60950-1:2001, ‘Kuwait Conformity Assurance Scheme’ (KUCAS) KUCAS registration OEM Yes Yes Sa UL 60950-1: 2003 UL certificate, cUL OEM Optional Yes E FCC Part 15 Class B FCC report and DoC OEM Yes Yes To list manufacture in FCC report USA O Energy Star EPA test data OEM Optional No Sa CSA C22.2 No 60950 CSA certificate or cUL OEM Optional No CANADA E ICES-003 issue 3 Statement on label OEM Yes Yes NAFTA MEXICO Sa NOM-019-SCFI-1994 NOM certificate Philips Yes No NOT REQUIRED LATAM Argentina Sa EN60950-1:2001 TUV S-mark or IRAM OEM Yes No http://bbs.520101.com 81 Meridian 1 Sa UL 60950-1: 2003 UL certificate or cUL OEM Optional No E FCC Part 15 Class B FCC report and DoC OEM Yes Yes O Energy Star EPA test data OEM Optional No O TCO'99 TCO report and certificate OEM Optional No To add all sales name into certificate O TCO'03 TCO report and certificate OEM Optional No To add all sales name into certificate Brazil O TCO'06 TCO report and certificate OEM Optional No To add all sales name into certificate Sa SABS IEC 60950 and IEC 60950-1 Certificate of Conformity Philips Yes Yes South Africa SOUTH AFRICA E EN55022 or Cisper 22 Certificate of Conformity Philips Yes Yes Supplier to provide CB, EMC report Sa = Safety E = Electromagnetic Compatibility O = Other which including recycling, energy saving, ergonomics ,Green Mark Notes: 1. Supplier to provide all approbation documents, samples before CR. 2. Supplier to pay approbation samples and transportation cost. 3. Supplier to pay Switzerland approbation cost 2450 CHF and to provide EN50392 report. 4. HDMI have to test PC mode if user manual have HDMI connect to PC function. 5. Supplier to provide EMC, safety report if monitor with portrait and landscape function. 6. AC/DC adaptor has to meet California Energy Commission requirement. 7. Supplier has to support Philips NSO to get local approbation. 8. Supplier has to check regulation information on rating label, carton label and user manual to meet all mandatory regulation. 9. Supplier need to add Philips sales name, model no into BSMI, TCO, eK, MIC certificate. 10. Supplier has to apply all mandatory regulation bases on sales country. http://bbs.520101.com 82 82 Meridian 1 10.2 EMC Requirements Supplier DVT EMI test result must be submitted prior to DVT samples delivery, and PVT EMI test result must be submitted again prior to PVT samples delivery which also has to meet Philips' immunity testing specification. 10.3 RoHS Restriction on the use of certain hazardous substances: Lead, Cadmium, Mercury, Hexavalent Chromium, Polybrominated Bipheny1 (PBB) and Polybrominated Bipheny1 Ether (PBDE) (flame retardant). 10.4 WEEE Producer (Philips) responsible for retailer takes back schemes and recycling. --System implemented. --Collection and recycle targets. 10.5 Ongoing Regulatory There's a possibility that other regulatory certificates will be required during the life of the product. It is the responsibility of the supplier to provide related documentation. http://bbs.520101.com Meridian 1 83 TELEVISION/MONITOR SAFFTY GUIDELINES FOR THE PROFESSIONAL SERVICE TECHNICIAN Safety Checks Fire and Shock Hazard Implosion X-radiation After the original service problem has been corrected,a complete safety check should be made. Be sure to check over the entire set, not just the areas where you have worked. Some previous servicer may have left an unsafe condition,which could be unknowingly passed on to your customer. Be sure to check all of the following: 1. Be sure all components are positioned in such a way as to avoid the possibility of adjacent component shorts. This is especially important on those chassis which are transported to and from the service shop. 2. Never release a repaired unit unless all protective devices such as insulators, barries, covers, strain reliefs, and other hardware have been installed in accordance with the original design. 3. Soldering and wiring must be inspected to locate possible cold solder joints,solder splashes,sharp solder points, frayed leads, pinched leads, or damaged insulation ( including the ac cord).Be certain to remove loose solder balls and all other loose foreign particles. 4. Check across-the-line components and other components for physical evidence of damage or deterioration and replace if necessary. Follow original layout,lead length, and dress. 5. No lead or component should touch a receiving tube or a resistor rated at 1 watt or more. Lead tension around protruding metal surfaces or edges must be avoided. 6. Critical components having special safety characteristics are identified with ans by the Ref. No. in the parts list and enclosed within a broken line * (where several critical components are grouped in one area) along with the safety symbols on the schematic diagrams and/or exploded views. 7. When servicing any unit, always use a separate isolation transformer for the chassis Failure to use a separate isolation transformer may expose you to possible shock hazard, and may cause damage to servicing instruments. 8. Many electronic products use a polarized ac line cord (one wide pin on the plug.) Defeating this safety feature may create a potential hazard to the service and the user. Extension cords which do not incorporate the polarizing feature should never be used. 9. After reassembly of the unit, always perform an leakage test or resistance test from the line cord to all exposed metal parts of the cabinet. Also check all metal control shafts(with knobs removed), antenna terminals, handles, screws, etc. to be sure the unit may be safety operated without danger of electrical shock. * Broken line 1. All picture tubes used in current model receivers are equipped with an integral implosion system. Care should always be used, and safety glasses worn,whenever handling any picture tube. Avoid scratching or otherwise damaging the picture tube during installation. 2. Use only replacement tubes specified by the manufacturer. 1. Be sure procedures and instructions to all your service personnel cover the subject of X-radiation. Potential sources of X-rays in TV receivers are the picture tube and the high voltage circuits. The basic precaution which must be exercised is to keep the high voltage at the factory recommended level. 2. To avoid possible exposure to X-radiation and electrical shock, only the manufacturer's specified anode connectors must be used. 3. It is essential that the service technician has an accurate HV meter available at all times. The calibration of this meter should be checked periodically against a reference standard. 4. When the HV circuitry is operating properly there is no possibility of an x- radiation problem. High voltage should always be kept at the manufacturer's rated value-no higher - for optimum performance. Every time a color set is serviced, the brightness should be run up and down while monitoring the HV with a meter to be certain that the HV is regulated correctly and does not exceed the specified value. We suggest that you and your technicians review test procedures so that HV and HV regulation are always checked as a standard servicing procedure, and the reason for this prudent routine is clearly understood by everyone. It is important to use an accurate and reliable HV meter. It is recommended that the HV recorded on each customer's invoice, which will demonstrate a proper concern for the customer's safety. 5. When troubleshooting and making test measurements in a receiver with a problem of excessive high voltage, reduce the line voltage by means of a Variac to bring the HV into acceptable limits while troubleshooting. Do not operate the chassis longer than necessary to locate the cause of the excessive HV. : : WARNING OFF SERVICE NOTE Before removing the CRT anode cap, turn the unit and short the HIGH VOLTAGE to the CRT DAG ground. The CRT DAG is not at chassis ground. 6. New picture tubes are specifically designed to withstand higher operathng voltages without creating undesirable X-radiation. It is strongly recommended that any shop test fixture which is to be used with the new higher voltage chassis be equipped with one of the new type tubes designed for this service. Addition of a permanently connected HV meter to the shop test fixture is advisable. The CRT types used in these new sets should never be replaced with any other types, as this may result in excessive X-radiation. 7. It is essential to use the specified picture tube to avoid a possible X-diation problem. 8. Most TV receivers contain some type of emergency "Hold Down" circuit to prevent HV from rising to excessive levels in the presence of a failure mode. These various circuits should be understood by all technicians servicing them, especially since many hold down circuits are inoperative as long as the receiver performs normally. 1. Unplug the ac line cord and connect a jumper between the two prongs of the plug. 2. Turn on the power switch. 3. Measure the resistance value between the jumpered ac plug and all exposed cabinet parts of the receiver, such as screw heads, antennas, and control shafts. When the exposed metallic part has a return path to the chassis, the reading should be between 1 megohm and 5.2 megohms. When the exposed metal does not have a return path to the chassis, the reading must be infinity. Remove the jumper from the ac line cord. 1. Do not use an isolation transformer for this test. Plug the completely reassembled receiver directly into the ac outlet. 2. Connect a 1.5k, 10w resistor paralleled by a 0.15uf. capacitor between each exposed metallic cabinet part and a good earth ground such as a water pipe, as shown above. 3. Use an ac voltmeter with at least 5000 ohms volt sensitivity to measure the potential across the resistor. 4. The potential at any point should not exceed 0.75 volts. A leakage current tester may be used to make this test; leakage current must not exceed 0.5 milliamps. If a measurement is outside of the specified limits, there is a possibility of shock hazard. The receiver should be repaired and rechecked before returning it to the customer. 5. Repeat the above procedure with the ac plug reversed.( Note: An ac adapter is necessary when a polarized plug is used. Do not defeat the polarizing feature of the plug.) The primary source of X-radiation in this television receiver is the picture tube. The picture tube utilized in this chassis is specially constructed to limit X-radiation emissions. For continued X-radiation protection, the replacement tube must be the same type as the original, including suffix letter, or a Philips approved type. Many electrical and mechanical parts in Philips television sets have special safety related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. The use of a substitute part which does not have the same safety characteristics as the Philips recommended replacement part shown in this service manual may create shock, fire, or other hazards Leakage Current Cold Check Leakage Current Hot Check Picture Tube Replacement Parts Replacement 1500 ohm, 10W 0.15 uF WATER PIPE EARTH GROUND TO INSTRUMENTS EXPOSED METAL PARTS