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SERVICE MANUAL
ACTIVE SUBWOOFER SYSTEM
2006
3
MA252
CS-BB2J, CS-BB2U
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
TABLE OF CONTENTS
COPYRIGHT © 2006 Victor Company of Japan, Limited
No.MA252
2006/3
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Summary of Contents for JVC CS-BB2J
- Page 1 ACTIVE SUBWOOFER SYSTEM MA252 2006 CS-BB2J, CS-BB2U Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
- Page 2 SPECIFICATION Type Closed Active Subwoofer (Built-in amplifi er) Speaker Unit 14 cm (5-9/16 in.) cone Input Terminal LINE IN (1 system), 0.19 V/25 kΩ SPEAKER (1 system), 3.7 V 32 W RMS x 2 channels at 2 Ω and [< or =] 1% THD + N Power Output 75 dBA (reference: 1 W into 2 Ω) Signal-to-Noise Ratio...
- Page 3 SECTION 1 PRECAUTION Safety Precautions 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. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Removing the almi plate...
- Page 4 Removing the main board (See fig.2 to 4) • Remove the almi plate. (1) Remove the five screws D and one screw D' attaching the main board. (See fig.2) (2) Remove the one screw E attaching the main board. (See washer main board fig.3)
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Page 5: Troubleshooting
SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING 10 PIN CORD DIAGRAM 1.BL/WH 6.NC Gray Black 7.YL 2.YL Blue Yellow White 8.BK 3.BK 9.WH 4.WH/BK 5.GY/BK 10.GY REMOTE 1 BL/WH 2 YL MEMORY 7 YL POWER LEAD 3 BK... - Page 6 Victor Company of Japan, Limited Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken, 371-8543,Japan (No.MA252) Printed in Japan...
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Page 7: Parts List
PARTS LIST CS-BB2J,CS-BB2U * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of general assembly and parts list (Block No.M1) Electrical parts list (Block No.01) Packing materials and accessories parts list (Block No.M3) - Page 8 Exploded view of general assembly and parts list Block No. Main board...
- Page 9 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local LV10905-003A BASE CABINET LV34988-001A SPACER LV10906-002A UPPER CABINET LV43784-002A INPUT LABEL LV43801-001A SPACER (x2) LV43801-003A SPACER LV43801-002A SPACER LE10014-019A SPEAKER QYSBSF4010ZA TAP SCREW M4 x 10mm(x4) WJJ0473-001A-E E-SI C WIRE C-C LV43938-001A...
- Page 10 Electrical parts list Main board Symbol No. Part No. Part Name Description Local Block No. [0][1] C521 QEKJ1CM-107Z E CAPACITOR 100uF 16V M Symbol No. Part No. Part Name Description Local C601 QEKJ1AM-227Z E CAPACITOR 220uF 10V M C602 QEKJ1HM-105Z E CAPACITOR...
- Page 11 Symbol No. Part No. Part Name Description Local R802 QRE141J-104Y C RESISTOR 100kΩ 1/4W J VR801 QVQ0294-Z24 V RESISTOR L501 QQR0703-001 CHOKE COIL CJ101 QNN0068-001 JACK ASSY CJ301 QNS0240-001 3.5 JACK CN101 QGA4201F2-10 CONNECTOR W-B (1-10) CN301 QGB2022K1-06 CONNECTOR B-B (1-6) CN401 QGB2022K2-06...
- Page 12 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A6,A7,A8 CS-BB2J A1,A2, A13,A14,A15 CS-BB2U A1,A2,A3...
- Page 13 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local LVT1544-001A INST BOOK LVT1544-002A INST BOOK SPA FRE BB2J LVT1544-003A INST BOOK CHI(TAIWAN) TAI BB2U LVT1544-004A INST BOOK ARA PER BB2U RM-RK80C REMOTE CONTROLLER QAM0650-002 CAR CABLE GN40033-001A MAGIC TAPE...
- Page 14 SCHEMATIC DIAGRAMS ACTIVE SUBWOOFER SYSTEM CS-BB2J,CS-BB2U CD-ROM No.SML200603 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5 to 6 No.MA252SCH COPYRIGHT 2006 Victor Company of Japan, Limited.
- Page 15 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.
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Page 16: Block Diagram
Block diagram VR801 LEVEL PHASE SW L.P.F. SW S801 BOOST SW S402 S401 CN801 CN401 CJ301 CN301 PHASE Q604 IC301 Q701 IC101 IC311 E.VOL MUTE (V.C.A) SPEAKER IC701 PHASE INPUT IC331 IC331 IC321 POWER LINE IN SELECT AMP. AMP. H.P.F L.P.F IC101 IC311... - Page 17 Standard schematic diagram VR801 QVQ0294-Z24 R801 3.9k R802 100k D801 D802 S801 QSW0799-001 SLR-342MC-T SLR-342MC-T CN801 QGA2001C1-03 CJ301 QNS0240-001 C304 10/16 IC301 NJM2777D IC101( 1/2) C106 C311 0.47/50 R110 NJM4580L R114 100k 1/50 R111 R312 100k C107 CJ101 0.47/50 QNN0068-001 R113 220k R302...
- Page 18 R801 S401 S402 QSW0991-001 QSW0991-001 3.9k D801 D802 R-342MC-T SLR-342MC-T CN401 QGB2022J1-06 CN301 QGB2022K1-06 CJ301 QNS0240-001 R322 R324 C332 C334 IC311( 1/2) NJM4580L C321 C322 0.056 0.12 C312 C323 C324 R312 R331 R332 4.7/25 R333 R334 6.8k 6.8k R313 IC321( 1/2) NJM4580L IC321( 1/2) IC331( 1/2)
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Page 19: Printed Circuit Board
Printed circuit board Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) C702 R702 R605 (Main board) C603 Q701 IC701 R601 R703 D601 C604 C703 C704 C210 R113 C303 R111 R110 R112 R104 C501 R106... - Page 20 C601 C340 (Connevtor board) R601 C334 D601 C604 C605 C602 R521 R334 R522 R333 C514 C511 D513 R332 C332 R331 IC511 C324 C210 C310 C320 C330 CN801 C303 R324 R312 R323 R311 R321 C323 R315 C322 C302 R316 R314 C321 IC301 C313 R322...
- Page 21 Victor Company of Japan, Limited Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken,371-8543,Japan Printed in Japan (No.MA252SCH)