Related Manuals for JVC SP-PW880
Summary of Contents for JVC SP-PW880
- Page 1 SP-PW880 SERVICE MANUAL POWERED SUBWOOFER SP-PW880 Area Suffix Continental Europe Northern Europe Singapore Contents Safety Precautions Disassembly method Description of major ICs No.20863 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. Jul. 2000...
- Page 2 SP-PW880 Safety precaution 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.
- Page 3 SP-PW880 Disassembly method Cabinet assembly Joint 4 <Main body> Saran board assembly Removing the speaker (See Fig.1 and 2) Remove the saran board assembly from the cabinet assembly while releasing the four corner joints toward the front. Remove the eight screws A attaching the speaker.
- Page 4 SP-PW880 Volume knob <Amplifier> Removing the cover (See Fig.5) Pull out the volume knob from the amplifier. Remove the three screws E and the two screws F on the amplifier. Removing the Input board assembly (See Fig.6) (Only US) Cut off the band under the input board assembly.
- Page 5 SP-PW880 Removing the transformer assembly (See Fig.9) Amplifier board Bands assembly Cut off the three bands fastening the harnesses CN891 extending from the transformer assembly. Power board Disconnect the harness from connector CN891 on assembly CN899 the amplifier board assembly and from CN899 on the power board assembly.
- Page 6 SP-PW880 Description of major ICs STK411-290E (IC821) : Power amplifier...
- Page 7 SP-PW880 VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan No.20863 200007(V)
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Page 8: Block Diagram
SP-PW880 Block diagram SP-PW880... - Page 9 SP-PW880 Standard schematic diagrams Power amplifier circuit IC821 STK411-290E C8201 Input circuit 100P/50 D8201 D8202 R8223 R8224 MTZJ8.2C-T2 MTZJ8.2C-T2 R8203 C8213 C8219 S8101 C8218 1/50 QSW0834-001 C8217 10/50 10/50 R8202 8.2P/50 VR811 C8252 C8204 QVQ0021-B14 10/50 R8252 C8101 R8103 R8105...
- Page 10 SP-PW880 Printed circuit boards Input board Power board D8506 CN851 R8503 D8505 B8002 D8509 IC851 B6302 D8502 S8902 Q8501 C8506 C8501 R8505 R8504 R8122 D8503 R8123 IC813 R8520 B8301 R8507 B6301 R8118 R8521 B8003 Z899 Z896 S8901 R8513 D8504 F8902...
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Page 11: Table Of Contents
SP-PW880 PARTS LIST [ SP-PW880 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe EN ------------ Northern Europe US --------------------- Singapore - Contents - Exploded view of general assembly and parts list Amp. -
Page 12: Exploded View Of General Assembly And Parts List
SP-PW880 Exploded view of general assembly and parts list Block No. - Page 13 SP-PW880 Parts list(General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area SAA2500023 WOOD CABINET 9000002701 FOOT 7001542001 WOOD SCREW 7004690801 TAPPING SCREW LV41212-001A L.E.D.INDICATOR 5700052521 L.E.D.PLATE 7010132021 SCREW 5600004901 RUBBER BUSHING CR250005-01 CONE SPEAKER 7005942502 SCREW...
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Page 14: Amp. Assembly And Parts List
SP-PW880 Amp. assembly and parts list Block No. - Page 15 SP-PW880 Parts list(Amp. assembly) Block No. M2MM Item Parts number Parts name Q'ty Description Area LV10253-001A COVER LV20470-005A BACK PANEL E,EN LV20470-006A BACK PANEL LV41146-001A VOLUME BRACKET LV41147-001A AC BRACKET LV31303-002A HEAT SINK LV41211-001A HEAT SINK LV41148-001A CORD COVER LV30225-025A...
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Page 16: Electrical Parts List
SP-PW880 Electrical parts list Electrical parts list(Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area CN811 QGB2016J1-15 CONNECTOR TO WOOF.PWB C8911 QEZ0223-478 E CAPACITER 4700MF CN821 QGB2016K1-15 B TO B CONNE TO CONT.PWB... - Page 17 SP-PW880 Block No. 01 Electrical parts list(Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R8104 QRE141J-563Y C RESISTOR 56K 5% 1/4W R8512 QRE141J-472Y C RESISTOR 4.7K 5% 1/4W R8105 QRE141J-683Y C RESISTOR...
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Page 18: Packing Materials And Accessories Parts List
SP-PW880 Packing materials and accessories parts list Block No. Block No. A1 A5... -
Page 19: Parts List
SP-PW880 Parts list(Packing) Block No. M3MM Item Parts number Parts name Q'ty Description Area QPA02503503P POLY BAG FOR INST LV31492-005A CARTON 8500019251 MIRROR MAT 8500028951 POLY BAG 8000038401 UPPER CUSHION 8000038411 UPPER CUSHION 8000038301 LOWER CUSHION 8000038311 LOWER CUSHION Parts list(Accessories) Block No.