CONTENTS 1. SAFETY INFORMATION ............................................2 2. EXPLODED VIEWS AND PARTS LIST.......................3 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 4. PCB CONNECTION DIAGRAM ................................24 5. ELECTRICAL PARTS LIST ........................................32 6. ADJUSTMENT..........................................................36 7. GENERAL INFORMATION .......................................37 7.1 DIAGNOSIS ........................................................37 7.1.1 DISASSEMBLY ..............................................37 7.1.2 CONNECTOR FUNCTION DESCRIPTION ....38 7.2 PARTS .................................................................39 7.2.1 IC ....................................................................39 7.2.2 DISPLAY.........................................................45 7.3 OPERATIONAL FLOW CHART..........................46 7.4 CLEANING .........................................................47 8. OPERATIONS AND SPECIFICATIONS.....................48 PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2001 K-ZZS. NOV. 2001 Printed in Japan ORDER NO. CRT2805 MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH-P6020RB XN/EW Service Manual KEH-P6020RB/XN/EW - This service manual should be used together with the following manual(s): Model No. Order No. Mech. Module Remarks CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment KEH-P6020R XN/EW NOTE: - This service manual does not describe the CD test mode. For the operations in the CD test mode, refer to the CD player's Service manual. For details, refer to "Important symbols for good services" on the next page. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 2 KEH-P6020RB,P6020R 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: 2. Adjustments To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments should be performed. 3. Cleaning For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning, proper cleaning should be performed to restore their performances. 5. Lubricants, glues, and replacement parts Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. 4. Shipping mode and shipping screws To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual, if necessary. 1. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 3 KEH-P6020RB,P6020R 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING 10 1 12 6 8 9 11 4 3 5 2 13 14 15 16 7 1 Cord Assy CDE6435 2 Screw CBA1002 3 Handle CNC5395 4 Bush CNV3930 * 5 Polyethylene Bag E36-615 6 Polyethylene Bag CEG-162 7-1 Polyethylene Bag CEG1116 7-2 Owner’s Manual CRD3537 7-3 Owner’s Manual CRD3538 7-4 Installation Manual CRD3553 * 7-5 Passport CRY1013 * 7-6 Warranty Card CRY1157 8 Carton See Contrast table(2) 9 Contain Box See Contrast table(2) 10 Protector CHP2251 11 Protector CHP2252 12 Case Assy CXB3520 13 Screw BPZ20P060FZK 14 Accessory Assy CEA3062 15 Earth Plate CNC9450 16 Inner Box CHW1754 Mark No. Description Part No. Mark No. Description Part No. (1) PACKING SECTION PARTS LIST NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to ∇ mark on the product are used for disassembly. - For the applying amount of lubricants or glue, follow the instructions in this manual. ( In the case of no amount instructions, apply as you think it appropriate.) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 4 KEH-P6020RB,P6020R Part No. Mark No. Symbol and Description KEH-P6020RB/XN/EW KEH-P6020R/XN/EW 8 Carton CHG4561 CHG4560 9 Contain Box CHL4561 CHL4560 (2) CONTRAST TABLE KEH-P6020RB/XN/EW and KEH-P6020R/XN/EW are constructed the same except for the following: - Owner's Manual, Installation Manual Model Part No. Language KEH-P6020RB/XN/EW CRD3537 English, Spanish, German, French, Italian, Dutch KEH-P6020R/XN/EW CRD3538 CRD3553 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 5 KEH-P6020RB,P6020R www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 6 KEH-P6020RB,P6020R A C B 62 2.2 EXTERIOR www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 7 KEH-P6020RB,P6020R 1 Screw BMZ30P040FZK 2 Screw BMZ30P100FMC 3 Screw BSZ26P050FMC 4 Screw BSZ30P060FMC 5 Cord Assy CDE6435 6 Cap CKX-003 7 Cord Assy CDE6494 8 Fuse(10A) CEK1136 9 IC(IC361) PAL007A 10 Case CNB2686 11 Holder CNC5704 12 Holder CNC8659 13 Cushion CNM4870 14 Insulator CNM6948 15 Tuner Amp Unit See Contrast table(2) 16 Screw ASZ26P060FMC 17 Screw BPZ26P120FMC 18 Screw BSZ26P160FMC 19 Clamper CEF1007 20 Pin Jack(CN351) CKB1035 21 Plug(CN901) CKM1330 22 Connector(CN701) CKS3408 23 Plug(CN750) CKS3537 24 Connector(CN551) CKS3568 25 Connector(CN331) CKS3598 26 Antenna Jack(CN402) CKX1056 27 Holder(CN403) CNC5399 28 Holder CNC8615 29 Holder CNC9470 30 Insulator CNM6949 31 Heat Sink CNR1583 32 FM/AM Tuner Unit CWE1562 33 Holder CNC8815 34 Chassis Unit See Contrast table(2) 35 Detach Grille Assy See Contrast table(2) 36 Screw BPZ20P100FZK 37 Knob CAA2699 38 Button(SFEQ) CAC7221 39 Button(1-6) CAC7225 40 Button(OPEN) CAC7227 41 Button(EQ) CAC7231 42 Button(TA) CAC7232 43 Button(AUDIO) CAC7234 44 Button(LOCAL) CAC7235 45 Button(BSM) CAC7236 46 Spring CBH2430 47 Spring CBH2431 48 Spring CBH2630 49 Spring CBL1470 50 Cover CNS6740 51 Holder CNV6505 52 Holder CNV6506 53 Keyboard Unit See Contrast table(2) 54 LCD See Contrast table(2) 55 Connector(CN1901) CKS4524 56 Holder CNC9053 57 Film See Contrast table(2) 58 Sheet CNM7647 59 Connector CNV6440 60 Lighting Conductor CNV6441 61 Sub Grille Assy See Contrast table(2) 62 Transistor(Q910) 2SD2396 63 Button(EJECT) CAC6839 64 Door CAT2109 65 Screw(M2x2) CBA1176 66 Washer CBF1038 67 Washer CBF1039 68 Spring CBH1838 69 Spring CBH2428 70 Spring CBH2429 71 Spring CBL1512 72 Holder CNC9096 73 Panel CNS6950 74 Pin CNV6486 75 ••••• 76 Gear CNV6507 77 Arm CNV6508 78 Panel Unit CWM7627 79 Socket(CN1950) CKS3550 80 Connector(CN1951) CKS4206 81 Damper Unit CXB5070 82 Holder Unit CXB6356 83 Holder Unit CXB6357 84 Clutch Unit CXB6358 85 Screw IMS20P045FZK 86 Cassette Mechanism ModuleEXK4070 87 Screw ISS26P055FUC (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Part No. Mark No. Symbol and Description KEH-P6020RB/XN/EW KEH-P6020R/XN/EW 15 Tuner Amp Unit CWM8019 CWM8018 34 Chassis Unit CXB8376 CXB8375 35 Detach Grille Assy CXB8413 CXB8412 53 Keyboard Unit CWM8312 CWM8311 54 LCD CAW1668 CAW1627 57 Film CNM6983 Not used 61 Sub Grille Assy CXB8622 CXB8621 (2) CONTRAST TABLE KEH-P6020RB/XN/EW and KEH-P6020R/XN/EW are constructed the same except for the following: www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 8 KEH-P6020RB,P6020R 2.3 CASSETTE MECHANISM MODULE D E For grease application, refer to the service manual for CX-1011 (CRT2406). www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 9 KEH-P6020RB,P6020R 1 Screw BSZ20P040FMC 2 Washer CBF1037 3 Washer CBG1003 4 Screw EBA1028 5 Screw CBA1037 6 Spring EBH1531 7 Spring EBH1642 8 Spring EBH1641 9 Spring EBH1626 10 Spring EBH1627 11 Spring EBH1649 12 Cord EDD1024 13 Photo-reflector(EGN1) EGN1004 14 Arm ENC1526 * 15 Lever ENC1544 16 Lever ENC1543 17 Arm ENC1532 18 Frame ENC1533 19 Holder ENC1534 20 Gear ENC1535 21 Arm ENC1550 22 Roller ENR1040 23 Belt ENT1027 24 Collar ENV1508 25 Arm ENV1539 26 Arm ENV1540 27 Gear ENV1544 28 Gear ENV1547 29 Gear ENV1560 30 Worm Wheel ENV1566 31 Lever ENV1551 32 Flywheel ENV1554 33 Gathering PCB ENX1068 34 Switch(S1,S2) ESG1007 35 Deck Unit EWM1032 36 Plug(CN251) CKS3540 37 Gathering PCB ENX1067 38 Motor Unit(M1) EXA1491 39 Motor EXM1028 40 Head Assy(HD1) EXA1592 41 Motor Unit(M2) EXA1580 42 Screw BMZ20P022FMC 43 Bracket ENC1528 44 Chassis Unit EXA1615 45 Pinch Holder Unit EXA1608 46 Pinch Roller ENV1518 47 Pinch Holder Unit EXA1607 48 Pinch Roller ENV1518 49 Reel Unit EXA1585 50 Head Base Unit EXA1611 51 Lever Unit EXA1587 52 Gear Unit EXA1596 53 Motor Unit(Service) EXX1055 54 Washer HBF-179 55 Spring EBH1537 Mark No. Description Part No. Mark No. Description Part No. - CASSETTE MECHANISM MODULE SECTION PARTS LIST www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 10 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM Q420 Q415 Q413 Q416 Q710 Q711 Q411 Q481 IC 481 PM4009A IC 710 HA12187FP X481 RDS DECODER IP-BUS DRIVER 12 11 20 8 37 MUTE X1 X2 ILB+ EJECT CSENS SW5V DPDT KYDT ROT1 ROT0 BL+B loadsw MSIN PEE 69 100 stby 55 65 RIMUTE LCDPW 6 EJECTIN 4 DPDT 96 KYDT 95 ROT0 29 ROT1 25 23 20 SYSTEM CONTROLLER IC 601(2/2) PE5206A BUS– B.U BUS+ BUS+L 5 8 1 7 1 2 8 6 5 TX RX IPPW SWVDD 77 CSENS ILMPW B.U VDD 7 10 11 14 12 13 2 8 5 FILM– 6 4 CN750 CN551 CN701 Q751 B.U Q754 Q755 Q753 Q750 Q752 A TUNER AMP UNIT FM/AM TUNER UNIT BZ610 ALARM BUZZER 16 X610 15 19 3 FLPILM 9 FILM+ 72 mute S750 PDIO CURRQ Q410 LOCL VCC LOCH VDD B.U stby B.U MUTE LOAD 5 1 4 2 1 3 11 9 20 19 D DECK UNIT IC251 HA12229F IC351 PA2020A EQ AMP MECHANISM DRIVER CN251 CN252 CN254 CN255 CN253 6 16 MS Lch 20 FWD L-ch REV L-ch 39 32 33 18 19 17 3 1 5 6 8 7 10 CN256 3 1 5 6 S1 LOAD S2 MODE EGN1 REEL SENSE M M M2 SUB MOTOR M1 MAIN MOTOR 5 2 1 E REEL SENSE PCB 11 6 5 5 6 17 f/R DIRO 68 66 DIRO MS 9 MCMUTE stby loadsw 15 13 15 13 59 61 POS NES 13 11 POS NES POS ES 18 17 18 17 56 57 16 15 SC1 CM 20 B.U 16 16 58 14 SC2 SC1 CM SC2 SC1 CM SC2 VDD CN402 6 21 18 22 19 12 15 16 8 13 3 2 4 ANT 28 27 IC 3 EEPROM FM/AM 1ST IF 10.7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER, IF AMP, DET. LDET COMP CF202 VCC DI/DO CE2 CK CE1 SDBW SL FMSD NL1 NL2 IC 2 FM MPX AMANT FMANT ATT ATT AMRF FMRF IMG ADJ RF ADJ X901 10.25MHz ANT ADJ LOCL LOCH AMDET MPXREF 41kHz AM 2ND IF 450kHz CREQ STIND L ch 1 14 25 23 5 R ch 7 17 20 24 26 WC NC NC FMLOCL RFGND 11 DGND 10 VDD 9 NC mute Q VCC SYSPW 21 SYSPW DETACH SENSE SW VDD 9 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 11 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A C 88 ldet 42 fM/AM 48 11 1 tmute adpw bsens asens NL2DT VDD B.U B.U B.U NL1 7 8 92 93 83 10 22 SD SL SDBW PCE PCK pce@ PDO ASENBO 10 Fout L 11 Rout L IL+B µGND CSENS SW5V DPDT KYDT RDT1 RDT0 BL+B ILB+ EJECT CSENS SW5V DPDT KYDT ROT1 ROT0 BL+B 3 10 12 9 11 RL– 5 RL+ 23 FL– 21 FL+ RL– RL+ FL– FL+ 5 B.REM Lch TEL 6 ILM 4 ACC 1 GND 2 BACK UP BACK UP GND TELIN isens AVREF DALMON 47 75 38 74 TUN L 41 BUS+L 44 CD L 42 49 99 97 32 98 71 86 85 24 FLIN 14 RLIN 12 22 4 25 SYSTEM CONTROLLER RESET POWER AMP IC 301 PML008A IC 603 S-80834ANY IC 361 PAL007A IC 1902 RS-140 reset VDD Q610 Q913 Q914 Q916 Q359 Q351 SYSPW Q1905 Q917 TX RX IPPW ELECTRONIC VOLUME/ SOURCE SELECTOR B.REM STBY MUTE REMOTE CONTROL SENSOR IC 1903 PD6294A LCD DRIVER KEY MATRIX LCD OPT IN 1 9 8 7 10 3 5 6 4 11 7 10 11 14 12 13 2 7 8 4 8 5 5 FILM– 6 6 4 10 11 14 12 13 2 4 3 6 5 10 8 7 9 2 4 DPDT KYDT X0 X1 DIMMER KEY DATA LCD DATA REMIN VDD 9 8 3 X1901 2 7 23 10 N750 CN1951 CN1901 CN1950 Q750 S1950 KEYBOARD UNIT B PANEL UNIT REAR/SW CN351 ACC RL– RL+ ILM MUTE FL– FL+ B.REM RR– FR– FL– RL– RR+ FR+ FL+ RL+ BACK UP ILL GND B.REM ACC 2 CN901 FILM+ S1922 IC 601(1/2) PE5206A 5 1 Q909 6 Q915 7 20 MUTE st 39 46 currq 50 51 LOCL LOCH VDD VDD CELLULAR MUTE 7 5 8 6 12 11 13 15 16 10 B.U SYSPW Q361 Q910 Q911 mute Q362 Q912 Q918 VCC VCC EJECT SW 9 9 VOLUME www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. 12 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A A-a A-b A-a A-a A-b A-b A-b A-b A-a A-a Large size SCH diagram Guide page Detailed page A A-a B DSP-201M-S00B KEH-P6020RB FM(100%):-19.5dBs AM(30%) :-30dBs B C PANEL UNIT KEYBOARD UNIT EJECT FM/AM TUNER UNIT D DECK UNIT www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 13 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A A-b A DETACH SENSE SW FUNCTION I/O IP-BUS:+2.2dBs FM(100%):+29.6dBs AM(30%):+19.1dBs CD:+36.2dBs IP-BUS:+36.3dBs FM(100%): +3.6dBs AM(30%): -6.9dBs CD:+10.2dBs IP-BUS:+10.3dBs FM(100%):-19.5dBs AM(30%): -30dBs CD: +4.1dBs IP-BUS: +2.2dBs CD:+9.4dBs SYSTEM CONTROLLER CEK1136 10A FUSE > 600µH A TUNER AMP UNIT For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes: Ex. *Resistors Code Practical value 123 12k ohms 103 10k ohms *Capacitors Code Practical value 103 0.01uF 101/10 100uF/10V The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. RR– FR– FL– RL– RR+ FR+ FL+ RL+ BACK UP ILL GND B.REM ACC www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 14 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A DSP-201M-S00B KEH-P6020RB FUNCTION FM(100%):-19.5dBs AM(30%) :-30dBs SYSTEM CONTRO FM/AM TUNER UNIT A-a A-a A-b www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 15 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A A-a A-a A-b DETACH S B C PANEL UNIT KEYBOARD UNIT EJECT D DECK UNIT B 1 2 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 16 1 2 3 4 1 2 3 4 D C B A A-a A-b A-b KEH-P6020RB,P6020R FUNCTION I/O IP-BUS:+2.2dBs FM(100%): +3.6dBs AM(30%): -6.9dBs CD:+10.2dBs IP-BUS:+10.3dBs FM(100%):-19.5dBs AM(30%): -30dBs CD: +4.1dBs IP-BUS: +2.2dBs CD:+9.4dBs CONTROLLER 600µH A TUNER AMP UNIT www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 17 5 6 7 8 5 6 7 8 D C B A A-b A-a A-b KEH-P6020RB,P6020R DETACH SENSE SW FM(100%):+29.6dBs AM(30%):+19.1dBs CD:+36.2dBs IP-BUS:+36.3dBs CEK1136 10A FUSE > For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes: Ex. *Resistors Code Practical value 123 12k ohms 103 10k ohms *Capacitors Code Practical value 103 0.01uF 101/10 100uF/10V The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. RR– FR– FL– RL– RR+ FR+ FL+ RL+ BACK UP ILL GND B.REM ACC 1 2 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 18 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A 3.3 KEYBOARD UNIT(KEH-P6020RB) C CAW1668 TA www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 19 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A C C KEYBOARD UNIT NSSW440-9159 NSSW440-9159 S1901,1902,1904,1906,1907,1909-1919: CSG1133 A CSG1111 CSG1111 CN1951 B www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 20 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A 3.4 KEYBOARD UNIT(KEH-P6020R) TA CAW1627 C www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 21 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A S1901,1902,1904,1906,1907,1909-1919: CSG1115 CSG1111 CSG1111 TA NSSW440-9159 NSSW440-9159 C CN1951 B C KEYBOARD UNIT www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 22 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A D 3.5 CASSETTE MECHANISM MODULE CN551 D A DECK UNIT MUTE HA12229F 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1 2 3 4 5 6 7 8 9 10 C253 390P C251 C256 R01 C405 R033 R404 270K R01 C404 910 R403 3R3K C255 R01 C272 R1 C401 3900P R285 0R0 HD1 HEAD ASSY EXA1592 TEST TAPE NCT-150 (400Hz, 200nWb/m) RL RR FR FL C302 R1 C301 R1 R304 R302 16K 16K R301 16K R303 16K -8.24dBs±4dB Fwd-R Fwd-L Rev-R Rev-L NF1(R) Vref1 RIN(L) NC RIN(R) GND FIN(R) Vref2 FIN(L) NFI(L) M-OUT(L) EQOUT(L) Vref4 TAI(L) BIAS NC NC MSGV(S) MUTE 120/70 ser/REP f/R MSDET MSI MAOUT MSGV(R) MOUT(R) EQOUT(R) Vref3 TAI(R) RIP PBOUT(R) NC NC NC CN252 CN251 EQ AMP IC251 390P C252 390P C254 390P PBOUT(L) NC VCC MSOUT NC C403 R022 R402 R33 C402 15K R401 18K R271 C271 1/50 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com D 23 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A E E REEL SENSE PCB SWITCHES: REEL SENSE PCB S1:LOAD SWITCH..........EJECT-PLAY S2:MODE SWITCH............ON-OFF The underlined indicates the switch position. 3 R351 1K R352 1K R353 1K R354 1K R373 0R0 R355 270K C352 3900P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT (MAIN MOTOR) EXA1491 S1 LOAD ESG1007 S2 ESG1007 MODE REEL SENSE EGN1 EGN1004 M2 MOTOR UNIT (SUB MOTOR) EXA1580 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020A R022 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 24 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A CORD ASSY A TUNER AMP UNIT DETACH SENSE SW 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram. 2. Viewpoint of PCB diagrams A Capacitor Connector P.C.Board Chip Part SIDE A SIDE B www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 25 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A A SIDE A REAR OUTPUT ANTENNA JACK IP-BUS INPUT FM/AM TUNER UNIT CN251 D FRONT CN1950 B CORD ASSY www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 26 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A A TUNER AMP UNIT A www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 27 KEH-P6020RB,P6020R 5 6 7 8 5 6 7 8 D C B A A SIDE B www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 28 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A 4.2 PANEL UNIT B B PANEL UNIT B PANEL UNIT A CN750 EJECT 1 3 5 7 9 11 2 4 6 8 1012 C CN1901 SIDE A SIDE B www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 29 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A 4.3 KEYBOARD UNIT TA DISPLAY VOLUME EQ SOURCE 1 2 3 4 5 6 BAND SFEQ AUDIO FUNCTION C KEYBOARD UNIT SIDE A C CN1951 B C KEYBOARD UNIT SIDE B www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 30 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A 4.4 CASSETTE MECHANISM MODULE D CN251 C271 IC,Q IC251 Q351 Q352 ADJ VR302 VR301 IC351 CN252 CN254 CN253 CN255 M1 M2 HEAD ASSY CN256 21 22 DECK UNIT CN551 SIDE A SIDE B E A DECK UNIT D D www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 31 KEH-P6020RB,P6020R 1 2 3 4 1 2 3 4 D C B A E 1 2 3 4 5 6 S1 LOAD S2 MODE CN256 EGN1 REEL SENSE REEL SENSE PCB CN253 E D www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 32 KEH-P6020RB,P6020R 5. ELECTRICAL PARTS LIST NOTES: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS..... =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- Unit Number : EWM1032 Unit Name : Deck Unit MISCELLANEOUS IC 251 IC HA12229F IC 351 IC PA2020A D 352 Diode 1SS355 RESISTORS R 271 RS1/16S183J R 285 RS1/16S0R0J R 301 RS1/16S163J R 302 RS1/16S163J R 303 RS1/16S163J R 304 RS1/16S163J R 351 RS1/16S102J R 352 RS1/16S102J R 353 RS1/16S102J R 354 RS1/16S102J R 355 RS1/16S274J R 362 RS1/8S301J R 373 RS1/16S0R0J R 374 RS1/8S0R0J R 401 RS1/16S153J R 402 RS1/16S332J R 403 RS1/16S911J R 404 RS1/16S274J CAPACITORS C 251 CKSRYB391K50 C 252 CKSRYB391K50 C 253 CKSRYB391K50 C 254 CKSRYB391K50 C 255 CKSRYB103K50 C 256 CKSRYB103K50 C 271 1µF/50V ECH0002 C 272 CKSRYB104K16 C 301 CKSRYB104K16 C 302 CKSRYB104K16 C 351 CKSQYB224K25 C 352 CKSRYB392K50 C 353 CKSRYB103K50 C 354 CKSRYB103K50 C 355 CKSQYB104K50 C 356 CKSRYB103K50 C 401 CKSRYB392K50 C 402 CKSRYB334K10 C 403 CKSRYB223K25 C 404 CKSRYB103K50 C 405 CKSRYB333K16 Unit Number : CWM8019(KEH-P6020RB) Unit Number : CWM8018(KEH-P6020R) Unit Name : Tuner Amp Unit MISCELLANEOUS IC 301 IC PML008A IC 361 IC PAL007A IC 481 IC PM4009A IC 601 IC PE5206A IC 603 IC S-80834ANY IC 710 IC HA12187FP Q 341 Transistor IMH3A Q 351 Transistor IMH3A Q 359 Transistor DTA124EK Q 361 Transistor DTC124EK Q 362 Transistor DTC114EK Q 410 Transistor 2SC2412K Q 411 Transistor 2SC2412K Q 413 Transistor DTA114EK Q 414 Transistor 2SD1757K Q 415 Transistor 2SD1757K Q 416 Transistor 2SC2412K Q 420 Transistor RN1610 Q 481 Transistor DTA124EK Q 610 Transistor DTA114EK Q 710 Transistor 2SA1037K Q 711 Transistor DTC114EK Q 750 Transistor 2SA1037K Q 751 Transistor 2SA1036K Q 752 Transistor DTC114EK Q 753 Transistor DTC114EK Q 754 Transistor 2SA1037K Q 755 Transistor DTC114EK Q 909 Transistor RN46A1 Q 910 Transistor 2SD2396 Q 911 Transistor 2SB1243 Q 912 Transistor DTC114EK Q 913 Transistor 2SD1760F5 Q 914 Transistor 2SC2412K Q 915 Transistor 2SC2412K Q 916 Transistor 2SA1037K Q 917 Transistor 2SC2412K Q 918 Transistor 2SC2412K D 320 Diode DAN202U D 361 Diode S5688G D 362 Diode S5688G D 551 Diode 1SS270 D 750 Diode 1SS270 D 751 Diode 1SS270 D 752 Diode DAP202U D 753 Diode DAN202U D 754 Diode DAP202K D 755 Diode DAN202K D 762 Diode DAN202U D 763 Diode DAP202U =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- A D www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P6020RB,P6020R D 910 Diode HZS9L(B3) D 911 Diode HZS6L(B2) D 912 Diode S5688G D 913 Diode HZS7L(C2) D 914 Diode HZS7L(A1) D 915 Diode 1SS270 D 916 Diode 1SS270 D 919 Diode S5688G D 920 Diode S5688G D 925 Diode 1SS270 D 926 Diode HZS9L(A2) L 311 Ferri-Inductor LAU4R7K L 361 Choke Coil 600µH CTH1221 L 410 Ferri-Inductor LAU4R7K L 411 Ferri-Inductor LAU2R2K L 412 Ferri-Inductor LAU2R2K L 481 Inductor LAU100K L 482 Ferri-Inductor LAU101K L 489 Inductor CTF1346 L 612 Inductor LAU100K L 621 Inductor CTF1346 L 710 Ferri-Inductor LAU2R2K L 750 Ferri-Inductor LAU2R2K L 910 Ferri-Inductor LAU2R2K X 481 Crystal Resonator 3.648MHz CSS1447 X 610 Radiator 12.58291MHz CSS1402 S 750 Switch(DETACH SENSE) CSN1039 FM/AM Tuner Unit CWE1562 BZ 610 Buzzer CPV1050 AR 410 Surge Absorber DSP-201M-S00B RESISTORS R 311 RS1/16S101J R 312 RS1/16S101J R 313 RS1/16S101J R 314 RS1/16S101J R 327 RS1/16S222J R 328 RS1/16S222J R 341 RS1/16S223J R 342 RS1/16S821J R 343 RS1/16S821J R 344 RS1/16S223J R 351 RS1/16S821J R 352 RS1/16S821J R 353 RS1/16S223J R 354 RS1/16S223J R 361 RS1/16S103J R 362 RS1/16S103J R 363 RS1/16S331J R 364 RS1/16S153J R 365 RD1/4PU182J R 409 RS1/16S0R0J R 410 RS1/16S222J R 411 RS1/16S222J R 412 RS1/16S681J R 413 RS1/16S473J R 414 RS1/16S473J R 415 RS1/16S393J R 416 RS1/16S681J R 417 RS1/16S681J R 418 RS1/16S681J R 419 RS1/16S681J R 420 RS1/16S103J R 421 RS1/16S681J R 422 RS1/16S473J R 423 RS1/16S472J R 424 RS1/16S473J R 425 RS1/16S102J R 426 RS1/16S473J R 427 RS1/16S153J R 428 RS1/16S681J R 429 RS1/16S681J R 430 RS1/16S681J R 431 RS1/16S473J R 432 RS1/16S473J R 433 RS1/16S474J R 434 RS1/16S473J R 435 RS1/16S472J R 439 RS1/16S222J R 440 RS1/16S222J R 441 RS1/16S223J R 442 RS1/16S223J R 443 RS1/16S224J R 444 RS1/16S224J R 445 RS1/16S162J R 446 RS1/16S162J R 447 RS1/16S272J R 448 RS1/16S272J R 449 RS1/16S224J R 450 RS1/16S681J R 454 RS1/16S0R0J R 455 RS1/16S0R0J R 481 RS1/16S102J R 482 RS1/16S225J R 483 RS1/16S681J R 484 RS1/16S102J R 485 RS1/16S102J R 486 RS1/16S102J R 551 RS1/16S203J R 552 RS1/16S473J R 553 RS1/16S473J R 554 RS1/16S473J R 555 RS1/16S104J R 556 RS1/16S473J R 557 RS1/16S473J R 558 RS1/16S102J R 561 RAB4C102J R 562 RAB4C102J R 563 RAB4C102J R 569 RS1/16S681J R 572 RS1/16S102J R 573 RS1/16S102J R 610 RS1/16S473J R 611 (KEH-P6020RB) RS1/16S473J R 613 RS1/16S102J R 614 RS1/16S821J R 615 RS1/16S102J R 616 RS1/16S0R0J R 620 RS1/16S473J R 621 RS1/16S0R0J R 622 RS1/16S101J R 624 RS1/16S104J R 625 RS1/16S0R0J R 630 RAB4C102J R 710 RS1/16S101J R 711 RS1/16S620J R 712 RS1/16S101J R 713 RS1/16S103J R 714 RS1/16S102J R 715 RS1/16S102J R 716 RS1/16S473J R 717 RS1/16S473J =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- 33 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 34 KEH-P6020RB,P6020R R 718 RS1/16S102J R 719 RS1/16S102J R 720 RS1/16S223J R 721 RS1/16S223J R 722 RS1/16S821J R 723 RS1/16S821J R 724 RS1/16S222J R 725 RS1/16S223J R 726 RS1/16S472J R 750 RS1/16S104J R 751 RS1/16S103J R 752 RS1/16S153J R 753 RS1/16S153J R 754 RS1/16S222J R 756 RS1/16S433J R 757 RS1/16S473J R 758 RS1/16S102J R 759 RD1/4PU222J R 760 RS1/16S102J R 763 RS1/16S222J R 764 RS1/16S131J R 765 RS1PMF390J R 766 RS1/10S270J R 767 RS1/16S103J R 768 RS1/16S152J R 769 RS1/16S152J R 771 RS1/16S473J R 773 RD1/4PU222J R 774 RS1/16S102J R 775 RS1/16S102J R 776 RS1/16S220J R 777 RS1/16S0R0J R 778 RS1/16S103J R 779 RS1/16S472J R 781 RS1/16S104J R 782 RS1/16S131J R 783 RS1/16S131J R 784 RS1/10S392J R 786 RS1/16S102J R 787 RS1/10S472J R 788 RS1/10S222J R 789 RS1/10S222J R 909 RD1/4PU0R0J R 910 RS1/16S0R0J R 911 RD1/4PU121J R 912 RS1/16S102J R 913 RD1/4PU102J R 914 RS1/16S103J R 915 RS1/16S222J R 916 RS1/16S133J R 917 RS1/16S104J R 918 RS1/16S104J R 919 RS1/16S223J R 920 RS1/16S473J R 921 RS1/16S103J R 922 RS1/16S473J R 923 RD1/4PU102J R 924 RS1/16S472J R 925 RD1/4PU153J R 926 RS1/16S472J R 927 RS1/16S102J R 928 RS1/16S473J R 929 RS1/16S104J R 930 RS1/16S103J R 931 RS1/16S103J R 932 RD1/4PU102J R 933 RS1/16S473J R 934 RS1/16S103J R 935 RS1/16S223J R 936 RD1/4PU152J CAPACITORS C 310 CKSRYB102K50 C 311 CEJA1R0M50 C 312 CEJA1R0M50 C 314 CKSRYB105K6R3 C 315 CKSRYB105K6R3 C 316 CKSRYB104K16 C 317 CKSRYB104K16 C 318 CKSRYB105K6R3 C 319 CKSRYB105K6R3 C 320 CKSRYB105K6R3 C 321 CKSRYB105K6R3 C 325 CKSRYB102K50 C 326 CEJA100M16 C 328 CKSRYB104K16 C 329 CEJA470M10 C 342 CEJA2R2M50 C 343 CEJA2R2M50 C 351 CEJA2R2M50 C 352 CEJA2R2M50 C 361 4700µF/16V CCH1367 C 362 CKSQYB104K16 C 363 CKSQYB474K16 C 364 CKSQYB474K16 C 365 CKSQYB474K16 C 366 CKSQYB474K16 C 367 CKSQYB474K16 C 368 CKSQYB474K16 C 369 CKSQYB474K16 C 370 CKSQYB474K16 C 371 CEJA330M10 C 373 CKSQYB225K10 C 374 CKSQYB225K10 C 375 CEJA100M16 C 410 CKSQYB103K50 C 412 CKSRYB223K25 C 413 CKSRYB102K50 C 414 CEJA220M10 C 415 CKSRYB223K25 C 418 CEAL101M10 C 419 CKSRYB473K16 C 420 CKSRYB472K50 C 421 CKSRYB223K25 C 422 CEJA1R0M50 C 423 CEJA1R0M50 C 424 CKSRYB123K25 C 425 CKSRYB123K25 C 426 CKSRYB182K50 C 481 CCSRCH471J50 C 482 CKSRYB104K16 C 483 CKSRYB471K50 C 484 CKSRYB104K16 C 485 CEAL220M6R3 C 486 CCSRCH270J50 C 487 CCSRCH270J50 C 488 CKSRYB104K16 C 489 CEAL220M6R3 C 499 CKSRYB102K50 C 551 CEJA220M10 C 552 CEJA220M16 C 615 CEAL2R2M50 =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com C 616 CCSRCH200J50 C 617 CCSRCH200J50 C 618 CKSRYB105K6R3 C 619 CEAL4R7M35 C 620 CKSRYB103K50 C 621 CCSRCH101J50 C 624 CKSRYB223K25 C 629 CCSRCH101J50 C 630 CKSRYB103K50 C 631 CCSRCH101J50 C 632 CCSRCH101J50 C 633 CKSRYB103K50 C 634 CKSRYB472K50 C 710 CKSRYB104K16 C 711 CKSRYB473K16 C 712 CEJA1R0M50 C 713 CEJA1R0M50 C 714 CEJA1R0M50 C 715 CEJA1R0M50 C 750 CKSRYB103K25 C 751 CKSQYB104K16 C 765 CKSQYB103K50 C 799 CKSQYB473K16 C 910 330µF/16V CCH1326 C 911 CKSRYB103K25 C 912 CEJA101M16 C 913 CEJA101M10 C 914 CKSRYB473K16 C 915 CKSRYB103K25 C 916 470µF/16V CCH1331 C 920 CKSRYB104K16 C 921 CKSQYB104K16 Unit Number : CWM8312(KEH-P6020RB) Unit Name : Keyboard Unit MISCELLANEOUS IC 1902 IC RS-140 IC 1903 IC PD6294A Q 1905 Transistor DTC114EK D 1901 Diode MA152WK D 1902 Diode MA152WA D 1917 LED NSSW440-9159 D 1918 LED NSSW440-9159 D 1928 LED SML-310VT D 1930 LED SML-310VT D 1931 LED SML-310VT D 1932 LED SML-310VT D 1938 LED SML-310VT D 1939 LED SML-310VT D 1941 LED SML-310VT X 1901 Ceramic Resonator 5.00MHz CSS1547 S 1901 Push Switch CSG1133 S 1902 Push Switch CSG1133 S 1903 Push Switch CSG1111 S 1904 Push Switch CSG1133 S 1906 Push Switch CSG1133 S 1907 Push Switch CSG1133 S 1908 Push Switch CSG1111 S 1909 Push Switch CSG1133 S 1910 Push Switch CSG1133 S 1911 Push Switch CSG1133 S 1912 Push Switch CSG1133 S 1913 Push Switch CSG1133 S 1914 Push Switch CSG1133 S 1915 Push Switch CSG1133 S 1916 Push Switch CSG1133 S 1917 Push Switch CSG1133 S 1918 Push Switch CSG1133 S 1919 Push Switch CSG1133 S 1922 Encoder CSD1059 LCD CAW1668 RESISTORS R 1901 RS1/16S222J R 1902 RS1/16S222J R 1903 RS1/16S470J R 1904 RS1/16S470J R 1905 RS1/16S121J R 1906 RS1/16S2R2J R 1910 RS1/16S151J R 1911 RS1/16S151J R 1912 RS1/16S151J R 1913 RS1/16S151J R 1914 RS1/16S151J R 1915 RS1/16S151J R 1917 RS1/16S151J R 1919 RS1/16S151J R 1920 RS1/16S151J R 1927 RS1/16S472J R 1929 RS1/16S0R0J R 1930 RS1/16S101J R 1931 RS1/16S101J R 1935 RS1/16S393J R 1936 RS1/16S151J R 1939 RS1/16S151J R 1941 RS1/16S151J R 1942 RS1/16S151J R 1943 RS1/16S151J R 1945 RS1/16S121J R 1958 RS1/16S151J R 1961 RS1/16S121J R 1970 RS1/16S0R0J R 1972 RS1/16S0R0J R 1976 RS1/16S151J CAPACITORS C 1902 CKSRYB104K16 C 1903 CSZS100M6R3 C 1905 CKSRYB104K16 C 1906 CKSRYB104K16 C 1907 CKSRYB104K16 C 1923 CKSQYF104Z50 C 1930 CKSQYF104Z50 Unit Number : CWM8311(KEH-P6020R) Unit Name : Keyboard Unit MISCELLANEOUS IC 1902 IC RS-140 IC 1903 IC PD6294A Q 1901 Transistor 2SA1036K Q 1902 Transistor DTC114EU Q 1903 Transistor 2SA1036K Q 1904 Transistor DTC114EU Q 1905 Transistor DTC114EK D 1901 Diode MA152WK D 1902 Diode MA152WA D 1917 LED NSSW440-9159 D 1918 LED NSSW440-9159 D 1927 LED SML-310PT D 1928 LED SML-310DT D 1929 LED SML-310PT D 1930 LED SML-310DT KEH-P6020RB,P6020R =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- 35 C =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- C www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com D 1931 LED SML-310DT D 1932 LED SML-310DT D 1934 LED SML-310PT D 1935 LED SML-310PT D 1937 LED SML-310PT D 1938 LED SML-310DT D 1939 LED SML-310PT D 1941 LED SML-310PT X 1901 Ceramic Resonator 5.00MHz CSS1547 S 1901 Push Switch CSG1115 S 1902 Push Switch CSG1115 S 1903 Push Switch CSG1111 S 1904 Push Switch CSG1115 S 1906 Push Switch CSG1115 S 1907 Push Switch CSG1115 S 1908 Push Switch CSG1111 S 1909 Push Switch CSG1115 S 1910 Push Switch CSG1115 S 1911 Push Switch CSG1115 S 1912 Push Switch CSG1115 S 1913 Push Switch CSG1115 S 1914 Push Switch CSG1115 S 1915 Push Switch CSG1115 S 1916 Push Switch CSG1115 S 1917 Push Switch CSG1115 S 1918 Push Switch CSG1115 S 1919 Push Switch CSG1115 S 1922 Encoder CSD1059 LCD CAW1627 RESISTORS R 1901 RS1/16S222J R 1902 RS1/16S222J R 1903 RS1/16S470J R 1904 RS1/16S470J R 1905 RS1/16S121J R 1906 RS1/16S2R2J R 1910 RS1/16S151J R 1911 RS1/16S151J R 1912 RS1/16S151J R 1913 RS1/16S151J R 1914 RS1/16S151J R 1915 RS1/16S151J R 1917 RS1/16S151J R 1919 RS1/16S151J R 1920 RS1/16S151J R 1921 RS1/16S103J R 1922 RS1/16S331J R 1923 RS1/16S331J R 1924 RS1/16S103J R 1925 RS1/16S331J R 1926 RS1/16S331J R 1927 RS1/16S472J R 1930 RS1/16S101J R 1931 RS1/16S101J R 1935 RS1/16S393J R 1936 RS1/16S151J R 1939 RS1/16S151J R 1941 RS1/16S151J R 1942 RS1/16S151J R 1943 RS1/16S151J R 1945 RS1/16S121J R 1958 RS1/16S151J R 1961 RS1/16S121J R 1970 RS1/16S0R0J R 1972 RS1/16S0R0J R 1975 RS1/16S151J CAPACITORS C 1902 CKSRYB104K16 C 1903 CSZS100M6R3 C 1905 CKSRYB104K16 C 1906 CKSRYB104K16 C 1907 CKSRYB104K16 C 1923 CKSQYF104Z50 C 1930 CKSQYF104Z50 Unit Number : CWM7627 Unit Name : Panel Unit S 1950 Push Switch(EJECT) CSG1112 R 1951 RS1/16S101J R 1952 RS1/16S101J R 1953 RS1/16S101J Unit Number : Unit Name : Reel Sense PCB MISCELLANEOUS S 1 Switch(LOAD) ESG1007 S 2 Switch(MODE) ESG1007 EGN 1 Photo-reflector EGN1004 Miscellaneous Parts List M 1 Motor Unit(MAIN) EXA1491 M 2 Motor Unit(SUB) EXA1580 HD 1 Head Assy EXA1592 36 KEH-P6020RB,P6020R =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- 6. ADJUSTMENT There is no information to be shown in this chapter. B E www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY - Removing the Tuner Amp Unit (Fig.2) Remove the two screws. Straight the tabs at three locations indicated. Remove the screw. Remove the three screws and then remove the Tuner Amp Unit. - Removing the Case (not shown) 1. Remove the Case. - Removing the Cassette Mechanism Module (Fig.1) Remove the four screws and then remove the Cassette Mechanism Module. - Removing the Panel Assy (Fig.1) Remove the two screws and then remove the Panel Assy. Fig.1 Fig.2 Tuner Amp Unit Cassette Mechanism Module Panel Assy 37 KEH-P6020RB,P6020R www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 38 KEH-P6020RB,P6020R 7.1.2 CONNECTOR FUNCTION DESCRIPTION 11 10 9 8 7 6 5 4 3 2 1 15 16 10 2 5 1 REAR OUTPUT ANTENNA FUSE 10A 1. BUS+ 2. GND 3. GND 4. NC 5. BUS- 6. GND 7. BUS L+ INPUT 8. ASENB 9. BUS R+ INPUT 10. BUS R- INPUT 11. BUS L- INPUT FRONT OUTPUT 1. GND 2. B.UP 3. ACC 4. NC 5. ILM 6. B.REM 7. NC 8. TEL MUTE 9. RL- 10. FL- 11. RL+ 12. FL+ 13. RR- 14. FR- 15. RR+ 16. FR+ www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 39 KEH-P6020RB,P6020R 7.2 PARTS 7.2.1 IC 1 TAB 2 P-GND2 3 OUT2- 4 STBY 5 OUT2+ 6 VCC 7 OUT1- 8 P-GND1 9 OUT1+ 10 SVR 11 IN1 12 IN2 13 S-GND 14 IN4 15 IN3 16 AC-GND 17 OUT3+ 18 P-GND3 19 OUT3- 20 VCC 21 OUT4+ 22 MUTE 23 OUT4- 24 P-GND4 SWITCH 25 + - + - Offset Detection + - + - Offset Detection + - + - Offset Detection + - + - Offset Detection Protector; Over current limit sw_vcc stby Protector; Short circuit Mute circuit amp_vcc Stand-by Circuit Protector; Over voltage sw_vcc Protector; Thermal Reference amp_vcc PAL007A www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 40 KEH-P6020RB,P6020R DGND CLK Vref NC MUTE STB DATA IN4 -_R IN4+_R IN3_R IN1_R IN2_R Vcc IN1_L IN2_L IN3_L IN4+_L IN4 -_L 12 11 10 9 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 44 43 42 41 Tone_out_RL SV_in_RL SV_in_FL Tone_out_FL Front_out_L Rear_out_L NC NC NC NC PV_in_R PV_in_L Sel_out_R AGND_L NC NC NC NC Tone_out_FR AGND_R SV_in_RR SV_in_FR Tone_out_RR Rear_out_R Front_out_R Sel_out_L Isolator circuit Digital block Zero cross Secondary volume MUTE Secondary volume Treble2 Bass2 Anti radiation filter Anti radiation filter Primary volume Anti Alias filter Loudness volume Bass Middle Treble from Rch to Rch LPF (L+R) Rch block (same as Lch) detect circuit Source Gain adjuster PML008A HA12229F 30 TAI(L) 29 TEST 28 PBOUT(L) 27 NC 26 NC 25 NC 31 NFI(R) 32 Vref1 33 RIN(L) 34 NC 35 RIN(R) 11 12 13 14 15 16 17 18 20 19 MUTE ON/off MSOUT 120/70 ser/REP for/REV VCC MSDET MSI MAOUT MSGv(R) 36 37 4 5 GND FIN(R) M-OUT(R) Vref3 38 6 Vref2 EQOUT(R) 39 7 FIN(L) TAI(R) 40 8 NFI(L) RIP 1 9 M-OUT(L) PBOUT(R) 2 10 EQOUT(L) NC 3 Vref4 24 23 22 21 MSGv(S) NC NC NC LPF DET MUTE ON/off MUTE ON/off www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 41 KEH-P6020RB,P6020R - Pin Functions (PE5206A) Pin No. Pin Name I/O Function and Operation 1 HFPW O Hand free circuit ON 2 dsens I Grille detach sense input 3 NC Not used 4 EJECTIN I Eject sense input 5 TESTIN I Test program mode input 6 LCDPW O LCD back light power supply control output 7 TELIN I Telephone mute input 8 isens I Illumination sense input 9 FLPILM O Flap illumination input 10 DALMON For consumption current decease 11 reset I Reset input 12 XT2 Not used (open) 13 XT1 Clock connection pin 14 VSS(GND) GND 15 X2 Crystal oscillator connection pin 16 X1 Crystal oscillator connection pin 17 REGOFF Regulator operation specification signal 18 REGC Capacitor for regulator connect pin 19 VDD Power supply 20 ILMPW O Illumination power supply control output 21 SYSPW O System power control output 22 adpw O A/D converter power supply control output 23 SWVDD O Grille:Chip enable output 24 IPPW O Power supply control output for IP BUS interface IC 25 ROT1 I Rotary encoder input 1 26 ROMDATA O ROM collection data output 27,28 NC Not used 29 ROT0 I Rotary encoder input 0 30 RECIVE O During RDS data reception output 31 NC Not used 32 pce2 O EEPROM chip enable output 33 STB O Strobe pulse output for electronic volume 34 CLK O Clock output for electronic volume 35 DATA O Data output for electronic volume 36 NC Not used 37 MUTE O System mute output 38 SD I Station detector input 39 ST I FM stereo input 40 VSS(GND) GND 41 VDD Power supply 42 fm/AM O TUNER:Decoder power supply control output 43 drst O RDS:Decoder reset output 44 rdslk I RDS:Decoder clock input 45 RDT I RDS:Decoder data input 46 currq O RDS:Tuner voltage FIX output 47 NL2DT I RDS:Noise level input 2 48 tmute O RDS:Tuner mute output 49 SDBW I RDS:SD input 50 LOCL O Local L output 51 LOCH O Local H output 52-54 NC Not used 55 stby O CASSETTE:Drive IC control output 56 CM O CASSETTE:Capstan control output 57 SC1 O CASSETTE:Sub motor control output 58 SC2 O CASSETTE:Sub motor control output 59 NES I CASSETTE:Normal reel sense input 60 RES I CASSETTE:Reverse reel sense input 61 POS I CASSETTE:Position sense input www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 42 KEH-P6020RB,P6020R IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. *PE5206A 30 31 50 51 80 81 100 1 Pin No. Pin Name I/O Function and Operation 62 PCL Clock adjustment 63,64 NC Not used 65 RIMUTE O CASSETTE:RI mute output 66 MSIN I CASSETTE:MS sense input 67 PLAY O CASSETTE:Gain select output 68 DIRO O CASSETTE:Tape direction forward/reverse select output 69 loadsw I CASSETTE:Loading switch sense input 70 NC Not used 71 ASENBO O IP-BUS:Slave power supply control output 72 MUTE O E.VOL:Mute control output 73 TEST(GND) I GND 74 SL I TUNER:Signal level input 75 NL1 I RDS:Noise level input 1 76 MODELIN I Model select input 77 CSENS I Flap close sense input 78-81 NC Not used 82 AVDD A/D converter power supply terminal 83 AVREF A/D converter reference voltage terminal 84 AVSS GND 85 RX I IP-BUS:data input 86 TX O IP-BUS:data output 87 NMI GND 88 ldet I PLL lock sense input 89 rck I RDS:clock input 90 RDS57K I RDS:57kHz count pulse input 91 NC Not used 92 asens I ACC power sense input 93 bsens I Back up power sense input 94 TUNPDI I PLL IC data input 95 KYDT I Grille data input 96 DPDT O Grille data output 97 PCK O PLL IC clock output 98 PDO O PLL IC data output 99 PCE O PLL IC chip enable output 100 PEE O Beep tone output www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 43 KEH-P6020RB,P6020R - Pin Functions (PD6294A) Pin No. Pin Name I/O Function and Operation 1 VSS GND 2 X1 Crystal oscillator connection pin 3 X0 Crystal oscillator connection pin 4 NC Not used 5,6 MOD1,0 I Connect to GND 7 DIMMER O Dimmer select output 8 KYDT O Key data output 9 DPDT I Display data input 10 REMIN I Remote control pulse input 11 GRN Dual Illumination (Green) 12 AMB Dual Illumination (Amber) 13–16 KD4–KD1 I Key data input 17-22 KST6–KST1 O Key strobe output 23 VDD VDD 24-73 SEG49–0 O LCD segment output 74–77 COM3–0 O LCD common output 78 VLCD I LCD voltage input 79,80 V2,V1 Power supply terminal *PD6294A 80 1 20 21 40 41 60 61 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 44 KEH-P6020RB,P6020R No. Symbol I/O Explain 1 STIND O stereo "Low" when the FM stereo signals are received. indicator To be pulled up to the "VDD" at 47kΩ. 2 FMSD O FM station "High" when signals are received. To be pulled up to the "VDD" at 47kΩ detector Meanwhile, 10kΩ should be used when taking diver FIX trigger from here and "High: 0.9VDD or more" and "Low: 250mV or less". (Should satisfy the diver IC specifications) 3 NL1 O noise level-1 "High" when noise is received. Output for the RDS. GND at 47kΩ //1,800pF. 4 NL2 O noise level-2 "High" when noise is received. Output for the RDS. GND at 36kΩ //330pF. 5 Rch O R channel FM stereo "R-ch" signal output or AM audio output. output Add the specified de-emphasis constant. 6 Lch O L channel FM stereo "L-ch" signal output or AM audio output. output Add the specified de-emphasis constant. 7 WC write control EEPROM write control. Writing permissible at "Low". Normally open. 8 SDBW O SD bandwidth SD bandwidth signal output. For detection of detuning data for the RDS. 9 NC Not used 10 VDD power Power supply pin for the digital section. supply DC 5V +/- 0.25V. Be careful about overlapping noise in the logic section. 11 DGND digital ground Grounding for the digital section. 12 CE2 I chip enable-2 EEPROM chip enable. Active a "Low" To be pulled up to the "VDD" at 47kΩ 13 SL I/O signal level Received FM/AM signal level (strength) output. Connect the specified load resistor and capacitor (10k Ω + 39k Ω //4,700pF) 14 DI/DO I/O data input/ Data input/Data output data output To be pulled up to the "VDD" at 47kΩ 15 CK I clock Clock input To be pulled up to the "VDD" at 47kΩ 16 CE1 I chip enable-1 AF·RF chip enable. Active at "High" To be grounded at 47kΩ 17 NC Not used 18 LDET O lock detector Active at "Low". To be pulled up to the "VDD" at 47kΩ 19 CREQ I current request Active at "Low". To be grounded at 47kΩ 20 NC Not used 21 COMP O composite signal FM composite signal output. r out < 100Ω 22 VCC power supply Analog section power supply pin.DC 8.4V +/- 0.3V 23 LOCH I local high FM local high pin. When seeking local high, apply 5V together with "LOCL". 24 FMLOCL I FM local low FM local low pin. When seeking local low, apply 5V to the base of the NPN transistor with which the specified resistor is being connected to the emitter. Keep it open in case of ordinary marketed models. 25 LOCL I local low FM/AM local low pin. When seeking local low, apply 5V to the base of the NPN transistor. Since this pin is exclusive for AM when the FMLOCL is in use, do not drive it under FM. 26 RFGND RF ground Grounding for the antenna section. 27 FMANT I FM antenna input FM antenna input. 75Ω. Surge absorber (DSP-201M-S00B) is necessary. 28 AMANT I AM antenna input AM antenna input. High impedance. Connect to the antenna through an L (LAU type) of 4.7µH.To cope with the power transmission line hums, insert a series circuit consisting of an L (a coil of about 100mH) + R (a resistor of 470 Ω to 2.2kΩ) between the GND. IC 3 EEPROM 28 27 FM/AM 1ST IF 10.7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER, IF AMP, DET. 6 21 18 LDET COMP 22 25 10 14 12 15 16 8 13 2 3 4 CF202 VDD VCC DI/DO CE2 CK CE1 SDBW SL FMSD NL1 NL2 IC 2 FM MPX AMANT FMANT ATT ATT AMRF FMRF IMG ADJ RF ADJ X901 10.25MHz ANT ADJ LOCL 23 LOCH AMDET MPXREF 41kHz AM 2ND IF 450kHz 19 CREQ 11 DGND 1 STIND L ch 5 R ch 9 24 NC FMLOCL 20 17 7 NC NC WC 26 RFGND - FM/AM Tuner Unit www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 45 KEH-P6020RB,P6020R 7.2.2 DISPLAY (SEG11) (SEG49) (COM0 ) (COM1 ) (COM2 ) (COM1 ) (COM0 ) (COM1 ) (COM2 ) (COM1 ) (COM0 ) 6 6 5 5 5 5 5 5 5 6 1 2 3 4 5 6 7 8 9 0 (COM3 ) (SEG45) (SEG40) (SEG41) (SEG42) (SEG43) (SEG44) (SEG45) (SEG46) (SEG47) (SEG48) (SEG30) (SEG31) (SEG32) (SEG33) (SEG34) (SEG35) (SEG36) (SEG37) (SEG38) (SEG39) (SEG20) (SEG21) (SEG22) (SEG23) (SEG24) (SEG25) (SEG26) (SEG27) (SEG28) (SEG29) (SEG10) (SEG11) (SEG12) (SEG13) (SEG14) (SEG15) (SEG16) (SEG17) (SEG18) (SEG19) (SEG 9) (SEG 8) (SEG 7) (SEG 6) (SEG 5) (SEG 4) (SEG 3) (SEG 2) (SEG 1) (SEG 0) (COM0 ) (COM1 ) (COM2 ) (COM1 ) (COM0 ) (COM1 ) (COM2 ) (COM1 ) (COM0 ) 6 6 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 0 9 8 7 6 5 4 3 2 1 (COM3 ) SEGMENT COMMON - CAW1668(KEH-P6020RB) CAW1627(KEH-P6020R) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 46 KEH-P6020RB,P6020R 7.3 OPERATIONAL FLOW CHART VDD=5V Pin19 Power ON bsens=L asens=L dsens=L bsens Pin93 asens Pin92 dsens Pin2 adpw←H Pin22 ASENBO←H Pin71 SWVDD←H Pin23 Source keys operative Completes power-on operation. (After that, proceed to each source operation) SYSPW←H Pin21 Starts communication with Grille microcomputer. Source ON 300ms 300ms In case of the above signal, the communication with Grille microcomputer may fail. If the time interval is not 300msec, the oscillator may be defective. CSENS Pin77 2V