Pioneer GM-520T, Service Manual

Page 1: ...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 520T XU UC CRT3519 BRIDGEABLE TWO CHANNEL POWER AMPLIFIER GM 520T XU UC For details refer to Important Check Points for Good Servicing K ZZA AUG 2005 Printed in Japan ...

Page 2: ...id 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...

Page 3: ...e 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 o...

Page 4: ...S LIST 6 2 1 PACKING 6 2 2 EXTERIOR 8 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 10 3 1 SCHEMATIC DIAGRAM GUIDE PAGE 10 4 PCB CONNECTION DIAGRAM 16 4 1 AMP UNIT 16 5 ELECTRICAL PARTS LIST 20 6 ADJUSTMENT 24 7 GENERAL INFORMATION 25 7 1 DIAGNOSIS 25 7 1 1 DISASSEMBLY 25 7 1 2 CONNECTOR FUNCTION DESCRIPTION 26 8 OPERATIONS 27 ...

Page 5: ...GM 520T XU UC 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS ...

Page 6: ...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 9 6 3 2 4 5 5 8 7 ...

Page 7: ...330 2 Screw BYC40P180FTB 3 Polyethylene Sheet CNM4338 4 Cord Assy CDE7736 5 Protector CHP3066 6 Polyethylene Bag CEG1351 7 Carton CHG5587 8 Contain Box CHL5587 9 1 Polyethylene Bag CEG1116 9 2 Owner s Manual CRD4010 9 3 Card ARY1048 9 4 Caution Card CRP1324 Mark No Description Part No Part No Language CRD4010 English French Spanish ...

Page 8: ...4 C D F A B E 2 2 EXTERIOR A 11 1 10 34 38 37 36 35 10 13 13 13 13 26 13 13 28 27 13 13 13 29 30 19 14 18 2 13 13 13 29 25 16 32 32 7 1 1 1 1 1 6 2 3 3 2 2 2 8 2 20 20 20 2 1 17 15 31 33 22 21 24 23 29 29 13 13 13 12 10 10 4 9 2 2 2 ...

Page 9: ...in Jack CN111 CKB1068 15 Terminal CN853 CKE1055 16 Terminal CN855 CKE1057 17 Terminal CN856 CKE1057 18 Socket CN801 CKM1463 19 Holder CND2456 20 Terminal CND2458 21 Buss Bar CND2467 22 Buss Bar CND2468 23 Buss Bar CND2469 24 Buss Bar CND2470 25 Buss Bar CND2472 26 Buss Bar CND2729 27 Sub Heat Sink CNR1808 28 Sub Heat Sink CNR1810 29 Screw PPZ30P100FSN 30 Screw PPZ30P100FTB 31 Terminal CN850 VNF108...

Page 10: ... 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 an...

Page 11: ...1 5 6 7 8 5 6 7 8 C D F A B E A b A DTC643TU DTC643TU 47K 47K 47K 47K 8R2K 8R2K A AMP UNIT omponent parts indicates ctor of the part sure to use parts of BASS BOOST BASS BOOST 0dB or 12dB or 6dB 1 8dBs 3 1dBs 38 5dBs ...

Page 12: ...ety 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 BASS BOOST GAIN BASS BOOST GAIN 0dB 0dB 18 5dBs BB ON INPUT MAX 0dB 1 7dB 32 1dB 0dB or 12dB or ...

Page 13: ...GM 520T XU UC 13 5 6 7 8 5 6 7 8 C D F A B E A a A b A a A a A b 2 3 4 BASS BOOST GAIN ...

Page 14: ...GM 520T XU UC 14 1 2 3 4 1 2 3 4 C D F A B E A a A b A b 1 DTC643TU DTC643TU 47K 47K 47K 47K A AMP UNIT 8dBs 3 1dBs 38 5dBs ...

Page 15: ...GM 520T XU UC 15 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 2 3 4 47K 47K 8R2K 8R2K ...

Page 16: ...DE 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 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1 BFC SPEAKER OUTPUT SPEAKER OUTPUT POWER SUPPLY 2 1 2 1 1 2 3 ...

Page 17: ...GM 520T XU UC 17 5 6 7 8 5 6 7 8 C D F A B E A SIDE A Lch Rch 3 2 1 LPF OFF RCA IN BASS BOOST GAIN LPF SPEAKER LEBEL INPUT R L R L ...

Page 18: ...GM 520T XU UC 18 1 2 3 4 1 2 3 4 C D F A B E A A AMP UNIT R L R L Lch Rch ...

Page 19: ...GM 520T XU UC 19 5 6 7 8 5 6 7 8 C D F A B E A SIDE B 1 1 1 ...

Page 20: ...stor 2SC2713 Q 565 A 230 33 Transistor 2SD1684 Q 566 A 219 200 Transistor 2SD1684 Q 571 B 244 71 Transistor 2SC2713 Q 572 B 218 121 Transistor 2SC2713 Q 581 A 242 62 Transistor 2SC3421 Q 582 A 240 163 Transistor 2SC3421 Q 583 A 276 34 Transistor 2SC4388 Q 584 A 250 199 Transistor 2SC4388 Q 585 A 254 34 Transistor 2SC4388 Q 586 A 228 199 Transistor 2SC4388 Q 587 A 210 63 Transistor 2SA1358 Q 588 A ...

Page 21: ...S1 16S182J R 176 B 301 180 RS1 16S221J R 177 B 316 178 RS1 16S121J R 178 B 301 182 RS1 16S132J R 179 B 316 182 RS1 16S122J R 180 B 301 183 RS1 16S104J Circuit Symbol and No Part No R 181 B 318 182 RS1 16S104J R 182 B 293 188 RS1 16S273J R 184 B 300 189 RS1 16S331J R 185 B 287 193 RS1 16S331J R 189 B 283 195 RS1 16S273J R 198 B 280 97 RS1 16S0R0J R 201 B 249 140 RS1 16S0R0J R 202 B 252 131 RS1 16S0...

Page 22: ...9 197 RD1 4PU103J R 952 A 112 190 RD1 4PU103J R 953 A 142 198 RD1 2PM470J R 954 A 118 201 RD1 2PM470J R 961 A 115 109 RD1 2PM220J Circuit Symbol and No Part No R 966 B 126 74 RS1 16S153J R 970 A 164 199 RD1 2PM182J R 973 B 151 60 RS1 16S103J R 974 B 162 39 RS1 16S472J R 975 B 162 42 RS1 16S472J R 976 B 162 41 RS1 16S472J R 977 B 161 34 RS1 16S272J R 978 B 168 35 RS1 16S272J R 979 B 168 38 RS1 16S2...

Page 23: ...118 CEANP221M10 C 691 A 178 94 CEAT220M25 C 831 A 311 38 CEAT100M50 C 832 A 301 38 CEAT100M50 C 903 A 149 67 CEAT2R2M50 C 941 A 66 98 3900µF 16V CCH1644 P35 C 942 A 67 81 3900µF 16V CCH1644 P35 C 943 A 70 50 CQHA472J2A C 944 A 129 49 CQHA472J2A C 951 A 150 193 CQHA102J2A C 952 A 123 199 CQHA102J2A C 953 A 157 194 CEAT470M16 C 954 A 128 191 CEAT470M16 C 955 A 134 191 CEAT470M25 C 956 A 114 195 CEAT...

Page 24: ...GM 520T XU UC 24 1 2 3 4 1 2 3 4 C D F A B E 6 ADJUSTMENT There is no information to be shown in this chapter ...

Page 25: ...ATION 7 1 DIAGNOSIS 7 1 1 DISASSEMBLY 1 Removing the Case Fig 1 Removing the Amp Unit Fig 2 Remove the six screws and then remove the Case Fig 1 Fig 2 Case 1 1 1 1 1 Remove the fifteen screws and then remove the Amp Unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Amp Unit ...

Page 26: ...GM 520T XU UC 26 1 2 3 4 1 2 3 4 C D F A B E 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 27: ...GM 520T XU UC 27 5 6 7 8 5 6 7 8 C D F A B E 8 OPERATIONS ...

Page 28: ...GM 520T XU UC 28 1 2 3 4 1 2 3 4 C D F A B E ...

Page 29: ...GM 520T XU UC 29 5 6 7 8 5 6 7 8 C D F A B E ...