ORDER NO. 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 PIONEER CORPORATION 2005 GM-320T/XU/UC CRT3518 BRIDGEABLE TWO-CHANNEL POWER AMPLIFIER GM-320T/XU/UC For details, refer to "Important Check Points for Good Servicing". K-ZZA. AUG. 2005 Printed in Japan 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 GM-320T/XU/UC 2 1 2 3 4 1 2 3 4 C D F A B E SAFETY INFORMATION CAUTION 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. WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65 - Service Precaution 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 GM-320T/XU/UC 3 5 6 7 8 5 6 7 8 C D F A B E [Important Check Points for Good Servicing] In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual. 1 Use specified parts for repair. Use genuine parts. Be sure to use important parts for safety. 2 Do not perform modifications without proper instructions. Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as radio/TV interference and foreign noise. 3 Make sure the soldering of repaired locations is properly performed. When you solder while repairing, please be sure that there are no cold solder and other debris. Soldering should be finished with the proper quantity. (Refer to the example) 4 Make sure the screws are tightly fastened. Please be sure that all screws are fastened, and that there are no loose screws. 5 Make sure each connectors are correctly inserted. Please be sure that all connectors are inserted, and that there are no imperfect insertion. 6 Make sure the wiring cables are set to their original state. Please replace the wiring and cables to the original state after repairs. In addition, be sure that there are no pinched wires, etc. 7 Make sure screws and soldering scraps do not remain inside the product. Please check that neither solder debris nor screws remain inside the product. 8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord. Damaged power cords may lead to fire accidents, so please be sure that there are no damages. If you find a damaged power cord, please exchange it with a suitable one. 9 There should be no spark traces or similar marks on the power plug. When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure connections and suitable usage. Please exchange the power cord if necessary. 0 Safe environment should be secured during servicing. When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries. Please pay attention to your surroundings and repair safely. 2. Adjustments To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification. Adjustments should be performed in accordance with the procedures/instructions described in this manual. 4. Cleaning For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper cleaning should be performed to restore their performances. 3. Lubricants, Glues, and Replacement parts Use grease and adhesives that are equal to the specified substance. Make sure the proper amount is applied. 5. Shipping mode and Shipping screws To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified 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 GM-320T/XU/UC 4 1 2 3 4 1 2 3 4 C D F A B E CONTENTS SAFETY INFORMATION..................................................................................................................................... 2 1. SPECIFICATIONS ............................................................................................................................................ 5 2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6 2.1 PACKING ................................................................................................................................................... 6 2.2 EXTERIOR................................................................................................................................................. 8 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.......................................................................................... 10 3.1 SCHEMATIC DIAGRAM........................................................................................................................... 10 4. PCB CONNECTION DIAGRAM ..................................................................................................................... 12 4.1 AMP UNIT................................................................................................................................................ 12 5. ELECTRICAL PARTS LIST ............................................................................................................................ 16 6. ADJUSTMENT ............................................................................................................................................... 19 7. GENERAL INFORMATION............................................................................................................................. 20 7.1 DIAGNOSIS ............................................................................................................................................. 20 7.1.1 DISASSEMBLY ..................................................................................................................................... 20 7.1.2 CONNECTOR FUNCTION DESCRIPTION.......................................................................................... 21 8. OPERATIONS ................................................................................................................................................ 22 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 GM-320T/XU/UC 5 5 6 7 8 5 6 7 8 C D F A B E 1. SPECIFICATIONS 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 GM-320T/XU/UC 6 1 2 3 4 1 2 3 4 C D F A B E 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING NOTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List. • 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. • Screw 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.) " 1 2 3 9 5 4 6 5 7 8 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 GM-320T/XU/UC 7 5 6 7 8 5 6 7 8 C D F A B E PACKING SECTION PARTS LIST Owner's Manual Mark No. Description Part No. 1 Screw Assy CEA5330 2 Screw BYC40P180FTB * 3 Polyethylene Sheet CNM4338 4 Cord Assy CDE7736 5 Protector CHP3066 6 Polyethylene Bag CEG1181 7 Carton CHG5596 8 Contain Box CHL5596 9-1 Polyethylene Bag CEG1116 9-2 Owner's Manual CRD4015 * 9-3 Card ARY1048 * 9-4 Caution Card CRP1324 Mark No. Description Part No. Part No. Language CRD4015 English, French, Spanish 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 GM-320T/XU/UC 8 1 2 3 4 1 2 3 4 C D F A B E 2.2 EXTERIOR 29 28 27 26 30 4 8 5 13 16 17 18 25 23 19 12 12 12 18 7 10 3 3 22 1 1 1 1 2 9 9 2 2 24 24 24 2 2 2 1 1 21 12 12 12 12 12 12 21 21 15 15 14 6 A 20 11 12 12 12 12 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 GM-320T/XU/UC 9 5 6 7 8 5 6 7 8 C D F A B E EXTERIOR SECTION PARTS LIST Mark No. Description Part No. 1 Screw(M3x8) CBA2011 2 Screw(M3x12) CBA2012 3 Screw BSZ30P050FTB * 4 Badge CAH1946 5 Case CNB3200 6 Panel CNB3203 7 Panel CNB3207 8 Heat Sink CNR1830 9 Spacer CNV8256 10 Lighting Conductor CNV8692 11 Amp Unit CWH1290 12 Screw(M3x8) CBA2011 13 Pin Jack(CN801) CKB1068 14 Terminal(CN901) CKE1055 15 Terminal(CN905,906) CKE1057 16 Socket(CN904) CKM1463 17 Holder CND2456 18 Terminal CND2458 19 Sub Heat Sink CNR1812 20 Sub Heat Sink CNR1813 21 Screw PPZ30P100FSN 22 Screw PPZ30P100FTB 23 Terminal(CN903) VNF1084 24 Screw PPZ30P100FTB > 25 Fuse(FU101)(25A) CEK1329 26 Screw BMZ40P200FTB * 27 Seal CAN3984 28 Holder CNV8522 29 Nut NB40FTB 30 Washer WB40FTB 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 GM-320T/XU/UC 10 1 2 3 4 1 2 3 4 C D F A B E 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 SCHEMATIC DIAGRAM A Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". A AMP UNIT 0dB 0dB +18.5dBs (INPUT MAX) +18.3dBs +18.3dBs 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 GM-320T/XU/UC 11 5 6 7 8 5 6 7 8 C D F A B E A Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← 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. Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. NOTE : Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. +37dB +23.3dBs -13.7dBs > 30 H 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 GM-320T/XU/UC 12 1 2 3 4 1 2 3 4 C D F A B E 4. PCB CONNECTION DIAGRAM 4.1 AMP UNIT Capacitor Connector P.C.Board Chip Part A A AMP UNIT SIDE B SIDE A 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 POWER SUP 1 2 SPEAKER LEVEL INPUT RC INP 1 3 2 1 3 2 Rch Lch 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 GM-320T/XU/UC 13 5 6 7 8 5 6 7 8 C D F A B E A SIDE A POWER SUPPLY 2 3 1 2 1 2 SPEAKER OUTPUT SPEAKER OUTPUT BFC RCA INPUT LPF/OFF GAIN Rch Lch 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 GM-320T/XU/UC 14 1 2 3 4 1 2 3 4 C D F A B E A A AMP UNIT Rch Lch 1 1 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 GM-320T/XU/UC 15 5 6 7 8 5 6 7 8 C D F A B E A SIDE B Rch Lch 1 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 GM-320T/XU/UC 16 1 2 3 4 1 2 3 4 C D F A B E 5. ELECTRICAL PARTS LIST NOTE: • 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..... • 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. • Meaning of the figures and others in the parentheses in the parts list. Example) IC 301 is on the point (face A, 91 of x-axis, and 111 of y-axis) of the corresponding PC board. IC 301 (A, 91, 111) IC NJM2068V Circuit Symbol and No. Part No. A Unit Number: CWH1290 Unit Name : Amp Unit MISCELLANEOUS IC 101 (B,156,16) IC NJM2068MD IC 501 (B,126,28) IC NJM4558MD IC 601 (A,134,111) IC PA2027A IC 801 (B,89,32) IC NJM2068MD IC 802 (B,115,39) IC NJM2068MD IC 951 (B,108,97) IC UPC494GS Q 101 (B,161,108) Transistor 2SA1163 Q 102 (B,163,66) Transistor 2SA1163 Q 103 (B,163,131) Transistor 2SC2713 Q 104 (B,163,43) Transistor 2SC2713 Q 105 (A,202,119) Transistor 2SD1509 Q 106 (A,202,54) Transistor 2SD1509 Q 107 (A,199,111) Transistor 2SD2439 Q 108 (A,199,74) Transistor 2SD2439 Q 109 (A,199,139) Transistor 2SB1588 Q 110 (A,199,46) Transistor 2SB1588 Q 601 (B,190,149) Transistor 2SC2713 Q 602 (B,178,28) Transistor 2SC2713 Q 605 (B,146,19) Transistor 2SC4081 Q 606 (B,159,23) Transistor 2SC4081 Q 651 (B,166,152) Transistor 2SA1576A Q 652 (B,168,148) Transistor 2SC4081 Q 653 (B,163,148) Transistor 2SC4081 Q 654 (B,160,152) Transistor 2SC4081 Q 655 (B,147,151) Transistor 2SA1576A Q 656 (B,134,143) Transistor 2SC4081 Q 657 (B,133,133) Transistor 2SA1576A Q 658 (A,103,115) Transistor 2SB1243 Q 659 (B,141,79) Transistor DTA124EU Q 701 (B,113,115) Transistor DTC114TU Q 702 (B,112,120) Transistor 2SC4081 Q 703 (B,132,91) Transistor DTA114EU Q 704 (B,130,99) Transistor DTC114TU Q 951 (B,120,122) Transistor DTA114EU Q 952 (B,93,89) Transistor 2SB1188 Q 953 (B,93,98) Transistor 2SB1188 Q 956 (A,31,110) Transistor FKV550N Q 957 (A,31,128) Transistor FKV550N Q 960 (A,31,42) Transistor 2SD2395 Q 961 (A,31,27) Transistor 2SB1566 D 601 (B,191,156) Diode MA111 D 602 (B,184,27) Diode MA111 D 651 (B,169,154) Diode MA111 D 652 (B,128,142) Diode UDZS7R5(B) D 653 (B,108,130) Diode MA111 D 654 (B,117,63) LED FR1112H D 701 (B,116,112) Diode MA111 D 702 (B,137,107) Diode 1SR154-400 D 703 (B,141,99) Diode 1SR154-400 D 705 (A,94,22) Diode ERA15-02VH D 706 (A,115,33) Diode ERA15-02VH D 901 (A,51,153) Diode ERA15-02VH D 902 (A,47,153) Diode ERA15-02VH D 954 (B,98,87) Diode MA111 D 955 (B,99,101) Diode MA111 D 956 (A,31,85) Diode FML22S D 957 (A,31,70) Diode FML22R D 958 (B,49,36) Diode UDZS16(B) D 959 (B,45,21) Diode UDZS16(B) L 901 (A,66,143) Choke Coil 30µH CTH1324 T 951 (A,60,112) Transformer CTT1124 TH951 (A,200,85) Thermistor CCX1013 TH953 (A,78,126) Thermistor CCX1064 S 501 (A,126,12) Switch(LPF/OFF) CSH1021 S 951 (A,197,176) Switch(BFC) HSH-156 VR101 (A,167,15) Volume 10kΩ(A)(GAIN) CCS1241 >FU101 (A,65,165) Fuse 25A CEK1329 AR701 (B,95,18) Surge Protector CSA30-201N AR702 (B,104,11) Surge Protector CSA30-201N RESISTORS R 101 (B,145,15) RS1/16S222J R 102 (B,162,27) RS1/16S222J R 103 (B,148,15) RS1/16S560J Circuit Symbol and No. 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 GM-320T/XU/UC 17 5 6 7 8 5 6 7 8 C D F A B E R 104 (B,164,27) RS1/16S560J R 105 (B,151,24) RS1/16S331J R 106 (B,156,12) RS1/16S331J R 107 (B,147,24) RS1/16S223J R 108 (B,163,14) RS1/16S223J R 109 (A,170,107) RD1/4PU153J R 110 (A,151,54) RD1/4PU153J R 111 (A,160,121) RD1/4PU153J R 112 (A,150,52) RD1/4PU153J R 113 (A,164,104) RD1/4PU561J R 114 (A,159,66) RD1/4PU561J R 115 (A,171,121) RD1/4PU561J R 116 (A,158,52) RD1/4PU561J R 117 (B,167,107) RS1/16S473J R 118 (B,165,58) RS1/16S473J R 119 (B,164,124) RS1/16S473J R 120 (B,168,40) RS1/16S473J R 121 (A,164,112) RD1/4PU151J R 122 (A,156,63) RD1/4PU151J R 123 (A,171,129) RD1/4PU151J R 124 (A,155,54) RD1/4PU151J R 125 (B,191,114) RS1/16S101J R 126 (B,190,55) RS1/16S101J R 129 (B,191,124) RS1/16S222J R 130 (B,191,49) RS1/16S222J R 131 (B,191,110) RS1/16S473J R 132 (B,192,61) RS1/16S473J R 133 (B,191,128) RS1/16S473J R 134 (B,191,45) RS1/16S473J R 135 (A,188,109) 0.1 Ω CCN1155 R 136 (A,188,63) 0.1 Ω CCN1155 R 137 (A,188,137) 0.1 Ω CCN1155 R 138 (A,188,35) 0.1 Ω CCN1155 R 143 (A,172,167) RD1/4PU100J R 144 (A,141,153) RD1/4PU100J R 501 (B,122,23) RS1/16S103J R 502 (B,128,23) RS1/16S103J R 503 (B,124,23) RS1/16S103J R 504 (B,126,23) RS1/16S103J R 601 (B,195,149) RS1/16S273J R 602 (B,179,32) RS1/16S273J R 605 (B,187,158) RS1/16S564J R 606 (B,181,25) RS1/16S564J R 609 (B,188,153) RS1/16S473J R 610 (B,174,32) RS1/16S473J R 613 (B,145,24) RS1/16S472J R 614 (B,160,29) RS1/16S472J R 651 (B,168,158) RS1/16S104J R 652 (A,151,145) RD1/4PU103J R 653 (B,171,156) RS1/16S472J R 654 (A,160,145) RD1/4PU392J R 655 (B,157,154) RS1/16S472J R 656 (B,157,151) RS1/16S222J R 657 (A,154,153) RD1/4PU221J R 658 (A,114,168) RD1/4PU102J R 659 (B,126,143) RS1/16S473J R 660 (B,130,143) RS1/16S103J R 661 (B,132,138) RS1/16S103J R 662 (B,135,138) RS1/16S222J R 663 (B,130,133) RS1/16S472J Circuit Symbol and No. Part No. R 664 (B,138,120) RS1/16S332J R 665 (B,74,157) RS1/16S332J R 666 (B,137,133) RS1/16S103J R 667 (B,138,126) RS1/16S472J R 668 (B,144,152) RS1/16S473J R 669 (B,129,93) RS1/16S223J R 670 (B,124,92) RS1/16S223J R 671 (B,132,80) RS1/16S223J R 672 (A,108,134) RD1/4PU472J R 673 (A,112,123) RD1/4PU101J R 674 (B,107,120) RS1/16S221J R 675 (A,124,134) RD1/4PU152J R 676 (A,118,80) RD1/4PU471J R 677 (A,101,76) RD1/4PU271J R 701 (B,112,113) RS1/16S222J R 702 (A,36,11) RD1/2PM182J R 703 (B,191,118) RS1/16S152J R 704 (B,192,53) RS1/16S152J R 801 (B,82,22) RS1/16S471J R 802 (B,104,31) RS1/16S471J R 803 (B,83,30) RS1/16S223J R 804 (B,112,34) RS1/16S223J R 805 (B,89,36) 10kΩ CCN1152 R 806 (B,116,43) 10kΩ CCN1152 R 807 (B,95,36) 10kΩ CCN1152 R 808 (B,122,43) 10kΩ CCN1152 R 811 (B,85,26) 10k Ω CCN1152 R 812 (B,118,44) 10k Ω CCN1152 R 813 (B,97,32) 10k Ω CCN1152 R 814 (B,121,39) 10k Ω CCN1152 R 815 (B,100,19) RS1/16S0R0J R 816 (B,107,31) RS1/16S0R0J R 831 (A,83,19) RD1/4PU683J R 832 (A,86,17) RD1/4PU683J R 953 (B,118,119) RS1/16S392J R 954 (B,121,113) RS1/16S101J R 955 (B,116,102) RS1/16S473J R 956 (B,117,94) RS1/16S102J R 957 (B,114,85) RS1/16S153J R 958 (B,107,77) RS1/16S105J R 959 (A,101,86) RD1/4PU101J R 960 (A,93,83) RD1/4PU332J R 961 (A,101,99) RD1/4PU101J R 962 (A,98,94) RD1/4PU332J R 963 (B,104,111) RS1/16S472J R 964 (B,101,111) RS1/16S472J R 965 (B,103,111) RS1/16S472J R 966 (B,121,111) RS1/16S272J R 967 (B,120,93) RS1/16S272J R 972 (A,33,102) RD1/2PM121J R 973 (A,33,98) RD1/2PM121J R 976 (A,39,117) RD1/2PM220J R 977 (A,50,129) RD1/2PM220J R 978 (A,54,79) RD1/2PM220J R 979 (A,52,76) RD1/2PM220J R 980 (A,102,70) RD1/2PM100J R 981 (A,76,50) RD1/2PM100J R 982 (A,33,57) RD1/4PU222J R 983 (A,38,31) RD1/4PU222J R 987 (A,37,52) RD1/2PM151J Circuit Symbol and No. 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 GM-320T/XU/UC 18 1 2 3 4 1 2 3 4 C D F A B E R 988 (A,41,31) RD1/2PM151J CAPACITORS C 101 (A,151,29) CEAT101M10 C 102 (A,151,10) CEAT101M10 C 103 (B,149,24) CCSRCH680J50 C 104 (B,163,12) CCSRCH680J50 C 105 (B,168,113) CCSRCH220J50 C 106 (B,165,62) CCSRCH220J50 C 107 (B,166,107) CCSRCH330J50 C 108 (B,164,58) CCSRCH330J50 C 109 (B,162,124) CCSRCH330J50 C 110 (B,166,40) CCSRCH330J50 C 111 (B,163,127) CCSRCH220J50 C 112 (B,168,43) CCSRCH220J50 C 113 (A,164,116) CFTNA224J50 C 114 (A,146,53) CFTNA224J50 C 115 (A,167,129) CFTNA224J50 C 116 (A,160,56) CFTNA224J50 C 117 (A,188,121) CFTNA223J50 C 118 (A,187,51) CFTNA223J50 C 119 (B,193,110) CCSRCH220J50 C 120 (B,197,81) CCSRCH220J50 C 121 (B,194,143) CCSRCH220J50 C 122 (B,193,45) CCSRCH220J50 C 123 (A,158,164) CFTNA333J50 C 124 (A,152,155) CFTNA333J50 C 125 (A,158,168) CQMA102J50 C 126 (A,147,159) CQMA102J50 C 127 (B,195,108) CCSRCH220J50 C 128 (B,195,81) CCSRCH220J50 C 129 (B,192,144) CCSRCH220J50 C 130 (B,194,43) CCSRCH220J50 C 501 (A,119,22) CFTNA274J50 C 502 (A,132,24) CFTNA274J50 C 503 (B,131,33) CKSQYB154K50 C 504 (B,136,33) CKSQYB154K50 C 651 (A,158,157) CEANP221M10 C 652 (A,123,148) CFTNA103J50 C 653 (B,124,143) CKSRYB103K50 C 654 (B,138,128) CKSRYB103K50 C 655 (A,138,112) CEAT100M50 C 656 (A,138,123) CEAT100M50 C 657 (A,136,103) CEAT470M16 C 658 (B,125,99) CKSRYB103K50 C 659 (A,122,126) CEAT220M25 C 660 (A,106,125) CEAT471M16 C 661 (B,126,92) CKSRYB103K50 C 662 (B,136,74) CKSRYB103K50 C 701 (A,132,95) CEAT220M25 C 702 (B,145,102) CKSRYB103K50 C 703 (B,150,17) CCSRCH680J50 C 704 (B,160,21) CCSRCH680J50 C 801 (B,82,24) CKSRYB471K50 C 802 (B,110,32) CKSRYB471K50 C 803 (A,80,27) CEAT100M50 C 804 (A,108,34) CEAT100M50 C 805 (B,54,14) CKSRYB223K50 C 806 (B,56,14) CKSRYB223K50 C 807 (B,87,26) CCSRCH101J50 Circuit Symbol and No. Part No. C 808 (B,120,44) CCSRCH101J50 C 809 (B,95,32) CCSRCH101J50 C 810 (B,123,39) CCSRCH101J50 C 811 (B,102,35) CKSRYB103K50 C 812 (B,110,43) CKSRYB103K50 C 831 (A,61,27) CEAT100M50 C 832 (A,61,21) CEAT100M50 C 901 (A,87,161) CFTNA224J50 C 951 (A,122,116) CEANP100M16 C 952 (A,121,98) CEAT221M16 C 953 (B,115,93) CKSRYB102K50 C 954 (B,115,90) CKSRYB103K50 C 955 (A,106,89) CEAT101M16 C 956 (A,39,155) 3900µF/16V CCH1644(P35) C 958 (A,36,120) CQMA472J50 C 959 (A,46,140) CQMA472J50 C 960 (A,62,69) CQMA102J50 C 961 (A,57,66) CQMA102J50 C 962 (A,65,84) 3600µF/35V CCH1673(P35) C 963 (A,52,58) 3600µF/35V CCH1673(P35) C 968 (A,73,39) CEAT331M35 C 969 (A,60,39) CEAT331M35 C 970 (A,46,40) CEAT100M50 C 971 (A,46,17) CEAT100M50 C 972 (B,47,31) CKSRYB473K50 C 973 (B,42,26) CKSRYB473K50 C 974 (A,46,33) CEAT470M16 C 975 (A,44,24) CEAT470M16 Circuit Symbol and No. 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 GM-320T/XU/UC 19 5 6 7 8 5 6 7 8 C D F A B E 6. ADJUSTMENT There is no information to be shown in this chapter. 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 GM-320T/XU/UC 20 1 2 3 4 1 2 3 4 C D F A B E 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY 1 - Removing the Case (Fig.1) - Removing the Amp Unit (Fig.2) Remove the four screws and then remove the Case. Fig.1 Fig.2 Case 1 Remove the six screws and then remove the Amp Unit. Amp Unit 1 1 1 1 1 1 1 1 1 1 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 GM-320T/XU/UC 21 5 6 7 8 5 6 7 8 C D F A B E 7.1.2 CONNECTOR FUNCTION DESCRIPTION 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 GM-320T/XU/UC 22 1 2 3 4 1 2 3 4 C D F A B E 8. OPERATIONS 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 GM-320T/XU/UC 23 5 6 7 8 5 6 7 8 C D F A 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 GM-320T/XU/UC 24 1 2 3 4 1 2 3 4 C D F A 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