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SERVICE MANUAL

POWERED SUBWOOFER

No.20863

Jul. 2000

COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.

d in Japan

07(V)

SP-PW880

SP-PW880

Contents

Safety Precautions
Disassembly method
Description of major ICs

1-2
1-3
1-6

Area Suffix

E
EN
US

Continental Europe

Northern Europe

Singapore

1
2
3
...
»

Summary of Contents for SP-PW880

Page 1: ...FER No 20863 Jul 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN LTD SP PW880 SP PW880 Contents Safety Precautions Disassembly method Description of major ICs 1 2 1 3 1 6 Area Suffix E EN US Continental Europe Northern Europe Singapore ...

Page 2: ...SP PW880 Burrs formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution 1 2 ...

Page 3: ...he front side of the speaker box Disconnect the harness from connector CN404 on the LED indicator board assembly Remove the two screws C and the panel 1 2 3 Removing the LED indicator board assembly See Fig 3 Removing the amplifier assembly See Fig 4 Remove the eleven screws D attaching the amplifier board on the back of the body Disconnect each relay harness connected to the speaker and the LED i...

Page 4: ... assembly See Fig 6 Removing the amplifier board assembly See Fig 7 and 8 Prior to performing procedure remove the input amplifier filter board assembly Disconnect the harness from connector CN891 and CN881 on the amplifier board assembly Remove the six screws H attaching the amplifier board assembly Remove the two screws I attaching the heat sink 1 and the two screws J attaching the heat sink 2 r...

Page 5: ...four screws K attaching the transformer assembly 1 2 3 Removing the transformer assembly See Fig 9 Disconnect the harness from connector CN899 on the power board assembly Remove the three screws L assembly Remove the cord stopper 1 2 3 Removing the power board assembly See Fig 10 Fig 9 Fig 10 Bands Amplifier board assembly CN891 Band Power board assembly CN899 K Transformer assembly K K CN899 Powe...

Page 6: ...12 TR10 TR11 TR23 TR24 TR22 TR21 R14 R16 R19 TR20 R15 R16 R17 TR19 R18 C6 D7 TR14 TR13 C3 R12 TR16 TR15 TR17 R13 TR31 R31 D31 D32 TR32 R32 Comparator Comparator D34 D36 D35 D33 SUB 1 3 5 4 2 7 6 8 21 22 9 16 10 14 15 11 12 13 17 18 19 20 STK411 290E IC821 Power amplifier Description of major ICs ...

Page 7: ...Printed in Japan 200007 V VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK B U 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 20863 SP PW880 ...

Page 8: ...C851 Q8501 Q8502 1 2 5 7 IC812 2 2 3 1 V R 8 1 1 V H C N 8 1 1 C N 8 2 1 C N 8 8 1 IC812 IC821 Q8204 RY881 1 2 S8101 18 14 Q8201 Q8202 Q8203 SP PW880 Block diagram Input L H amp LED control Regulator 5V Regulator 9V CN851 CN861 CN891 Power circuit DC detector High path filter Power amp Output current detector Relay Speaker Low path filter Buffer SW ...

Page 9: ...8 NJM4580D D NJM4580D D NJM4580D D NJM4580D D NJM4580D D 68K 56K 56K 56K 150K 150K 150K 5 6K 100K 1 6K 2 4K 11K 10K 10K 15K 12K 3 9K 39K 0 01 0 022 0 022 10 50 10 50 10 50 QVQ0021 B14 QGA7901C1 02 150K 0 22 0 22 0 33 0 056 0 047 0 033 TC74HCU04AP TC74HCU04AP TC74HCU04AP TC74HCU04AP QGA3901C1 02 10 50 10 50 470 6 3 22 25 100 25 1M 4 7K 22 560K 510K 1K 100K 1M 2 2K 1K 0 1 100 180 22 1SS133 T2 1SS133...

Page 10: ...04 C8801 C8911 C8912 C8913 C8914 C8915 C8916 C8917 C8921 C8922 C8923 C8924 C8925 C8926 C8927 C8928 CN821 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN881 CN891 D8201 D8202 C8231 C8235 D8205 D8206 D8207 D8208 D8209 D8211 D8212 D8701 D8702 D8801 D8911 D8921 D8924 2 4 3 5 6 7 8 1 10 9 11 12 13 14 15 16 17 18 19 20 21 IC821 22 L8201 Q8201 Q8202 Q8203 Q8204 Q8701 Q8702 Q8801 R8201 R8202 R8203 R8204 R8205 R820...

Page 11: ... not available as service parts Contents Exploded view of general assembly and parts list Amp assembly and parts list Electrical parts list Packing materials and accessories parts list SP PW880 3 2 3 4 3 6 3 8 Area suffix E Continental Europe EN Northern Europe US Singapore ...

Page 12: ...A B C D 1 2 3 4 5 SP PW880 3 2 a b 12 10 17 10 9 8 1 19 15 15 14 8 8 8 17 18 16 10 7 2 2 3 6 11 5 4 10 13 3 a b Exploded view of general assembly and parts list Block No M M M 1 ...

Page 13: ...7004690801 TAPPING SCREW 2 5 LV41212 001A L E D INDICATOR 1 6 5700052521 L E D PLATE 1 7 7010132021 SCREW 2 8 5600004901 RUBBER BUSHING 4 9 CR250005 01 CONE SPEAKER 1 10 7005942502 SCREW 8 11 LV41252 001A SPEAKER CORD 1 12 9925001021 SARAN BOSRD 1 13 E408811 221 JVC MARK 1 14 6000167301 CAUTION LABEL 1 15 QYSDSA4020M TAP SCREW 11 16 SOUND ABSORBENT 1 17 DUCT 2 18 DUCT 1 19 VINY TIE 2 ...

Page 14: ... 4 A B C C A B Accessories Amp assembly and parts list Block No M M M 2 21 10 10 13 29 32 4 6 16 16 5 23 15 15 2 26 35 18 25 28 27 12 19 14 24 9 9 1 11 17 17 17 19 30 20 22 25 22 3 14 31 8 34 33 7 Input board Amp board Powed board ...

Page 15: ...R 4 17 QYSBSF3008Z SCREW 6 FOR PCB 18 QYSBSF3008M SCREW 3 FOR SPK TERMINA 19 QYSBST3006Z T SCREW 4 FOR POWER SW 20 QYSBSG3016Z T SCREW 2 FOR POWER IC 21 QYSBSF4012Z SCREW 2 22 QYSBSG3010Z T SCREW 2 23 VKZ4001 111 WIRE HOLDER 1 24 QHS3771 108 CORD STOPPER A 1 25 E407321 002SM PUSH BUTTON 2 26 LV30734 002A KNOB 1 27 QQT0265 003 POWER TRANS E EN A 1 QQT0265 004 POWER TRANS US A 1 28 QMPK090 205 JN PO...

Page 16: ...Y C CAPACITOR 100PF 10 50V C8506 QETN1HM 106Z E CAPACITOR 10MF 20 50V C8507 QDYB1CM 103Y C CAPACITOR C8508 QETN0JM 477Z E CAPACITOR 470MF 20 6 3V C8701 QTE1E28 476Z E CAPACITOR C8702 QTE1E28 476Z E CAPACITOR C8703 QTE1E28 107Z E CAPACITOR C8704 QTE1E28 107Z E CAPACITOR C8801 QETN1HM 105Z E CAPACITOR 1 0MF 20 50V C8901 QFZ9040 683 M CAPACITOR A 068MF C8911 QEZ0223 478 E CAPACITER A 4700MF C8912 QEZ...

Page 17: ...2K 5 1 4W R8223 QRE141J 563Y C RESISTOR 56K 5 1 4W R8224 QRE141J 563Y C RESISTOR 56K 5 1 4W R8225 QRE141J 333Y C RESISTOR 33K 5 1 4W R8226 QRE141J 561Y C RESISTOR 560 5 1 4W R8227 QRE141J 563Y C RESISTOR 56K 5 1 4W R8228 QRE141J 221Y C RESISTOR 220 5 1 4W R8229 QRT01DJ R33X UNF MF RES 5 1 1W R8233 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R8252 QRE141J 100Y C RESISTOR 10 5 1 4W R8501 QRE141J 102Y C RESI...

Page 18: ...SP PW880 3 8 Packing materials and accessories parts list Block No M M M 3 Block No M M M 4 P7 P5 P8 P4 P3 P2 P1 P6 A1 A5 ...

Page 19: ...PER CUSHION 1 P 6 8000038411 UPPER CUSHION 1 P 7 8000038301 LOWER CUSHION 1 P 8 8000038311 LOWER CUSHION 1 Item Parts number Parts name Area A Parts list Accessories Q ty Description Block No M4MM A 1 LVT0508 001A INST BOOK E EN 1 ENG GER FRE DUT SPA ITA SWE DAN FIN LVT0508 002A INST BOOK US 1 ENG SPA CHI A 2 BT 54008 2 WARRANTY CARD E EN 1 A 3 LE30745 001A SPK CORD 2 A 4 QAM0199 001 PIN CABLE 1 A...

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