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JVC kd-g285u Service Manual

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3 7 63 1515 0
SERVICE MANUAL
2
2006
MA246
KD-G285U,KD-G285UN,
KD-G285UT,KD-G285UH
TE
L 13942296513
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
www
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http://www.xiaoyu163.com
CD RECEIVER
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

TABLE OF CONTENTS

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COPYRIGHT © 2006 Victor Company of Japan, Limited
http://www.xiaoyu163.com
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No.MA246
2006/2

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA246 2006 KD-G285U,KD-G285UN, KD-G285UT,KD-G285UH L 13942296513 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 http://www.xiaoyu163.com 3 7 63 1515 0 SPECIFICATION AUDIO AMPLIFIER SECTION Maximum Power Output Front 50 W per channel Rear 50 W per channel 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more Continuous Power Output (RMS) Front than 0.8% total harmonic distortion.

  • Page 3: Precaution

    http://www.xiaoyu163.com SECTION 1 3 7 63 1515 0 PRECAUTION Please refer to "KD-G425 (No.MA245)" about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Please refer to "KD-G425 (No.MA245)" about this section. SECTION 3 L 13942296513 DISASSEMBLY For disassembly and adjustment are follow the service manual No.MA245. For the CD mechanism, please refer the mechanism manual TN2007-1001 (No.MY003).

  • Page 4: Troubleshooting

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 TROUBLESHOOTING 16 PIN CORD DIAGRAM Black Green Violet BL/WH Blue Gray WH White Yellow WH/BK GN/BK VI/BK GY/BK 16 YL MEMORY 8 BK L 13942296513 7 RD 3 GN 11 GN/BK 2 VI 10 VI/BK 4 WH 12 WH/BK...

  • Page 5: Ao Y U163

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 (No.MA246)1-5 http://www.xiaoyu163.com...
  • Page 6 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 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.MA246) Printed in Japan http://www.xiaoyu163.com...
  • Page 7 3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-G285U,KD-G285UN KD-G285UT,KD-G285UH CD-ROM No.SML200602 L 13942296513 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram u163 Standard schematic diagrams Printed circuit boards 2-5,6 No.MA246SCH...

  • Page 8: Tel 13942296513

    http://www.xiaoyu163.com 3 7 63 1515 0 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. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

  • Page 9: Block Diagram

    ENC1,ENC2 CHANGER ILL_10V DETACH LCD.DA JBUS.SCK DETACH DIMMEROUT CONTROL IC661 IC801 LCD.CE JBUS.INT DIMMEROUT LCD DRIVER JVC BUS ILL_10V COM1 to COM3 ENC1 JBUS.SI S1 to S52 REMOCON ENC2 LCD1 IC681 JS686 w w w LCD DISPLAY REMOCON ENCODER u 1 6 3...

  • Page 10: Standard Schematic Diagrams

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main section QAU0312-002 QNB0190-001 4.7u R351 5.6k R352 5.6k D331 R355 C351 Q351 2.2K 100P 1SS355W-X KTD1304-X D341 R345 Q341 C341 KTD1304-X 100P 2.2K 1SS355W-X CJ321 R341 R342 QNN0773-001 MUTE.CONT...
  • Page 11 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 CD servo control section C570 C572 C571 47/6.3 0.022 47/10 C543 0.033 C544 R558 D561 1A3G-T1 CD8V CD.RESET STATUS SUBQ SQCK IC561 TLOCK FLOCK LA6242H-X CD.SENSE C582 R581 KICK MDATA 2.2/50 IC521 MCLK...
  • Page 12 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 LCD & Key control section JS686 IC681 QSW0976-001 RPM7338-V4 C682 0.012 C681 4.7/6.3 C686 C687 0.022 0.022 CJ601 QGZ1601K1-15S LCD1 QLD0390-001 ILL_10V ACC5V REMOCON ENC1 ENC2 DIMMEROUT LCD.SCK LCD.SO LCD.CE KEY0 KEY1 1 3 9 4 2 2 9 6 5 1 3...

  • Page 13: Printed Circuit Boards

    http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side IC901 CJ321 C904 C905 C901 L901 J801 CN901 C181 C919 B301 D901 C908 C182 C909...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) reverse side C902 C901 L901 IC901 CJ321 D904 D905 C351 C341 R352 R342 D901 J801 C904 R310 CN901 C324 C919...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 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.MA246SCH) http://www.xiaoyu163.com...

  • Page 17: Parts List

    3 7 63 1515 0 PARTS LIST KD-G285U,KD-G285UN,KD-G285UT KD-G285UH L 13942296513 * All printed circuit boards and its assemblies are not available as service parts. * Please refer to the mechanism manual (model TH2007-1001, No.MY003) for the CD mechanism.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 Switch board u163 http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 Main board L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  GE10136-001A TOP CHASSIS GE40135-001A EARTH PLATE GE31894-001A HEAT SINK QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-001A SCREW (x2) QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-004A SCREW...
  • Page 21 http://www.xiaoyu163.com 3 7 63 1515 0 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] NCB31HK-472X C CAPACITOR 4700pF 50V K  Symbol No. Part No. Part Name Description Local QTE1H57-105Z E CAPACITOR 1uF 50V NCB31HK-103X C CAPACITOR...
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C533 QEKJ1AM-107Z E CAPACITOR 100uF 10V M NRSA63J-103X MG RESISTOR 10kΩ 1/16W J C534 QEKJ1AM-227Z E CAPACITOR 220uF 10V M NRSA63J-562X MG RESISTOR...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R570 NRSA02J-822X MG RESISTOR 8.2kΩ 1/10W J L501 QQL244K-4R7Z COIL 4.7uH K R581 NRSA63J-153X MG RESISTOR 15kΩ...
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local R613 NRSA63J-122X MG RESISTOR 1.2kΩ 1/16W J R614 NRSA63J-182X MG RESISTOR 1.8kΩ 1/16W J R615 NRSA63J-272X MG RESISTOR 2.7kΩ 1/16W J R630 NRSA63J-821X MG RESISTOR 820Ω...
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 <MEMO> L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A3 A6 A3 A5 A6 A7 A8 KD-G285_UN,UT,UH KD-G285_U L 13942296513 KIT : A9 A10 A11 A12 A13 KD-G285_U u163 3-10 http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  GE20137-003A MOUNTING SLEEVE GE20135-010A TRIM PLATE GET0345-001A INST BOOK ENG THA G285U,G285UH GET0345-004A INST BOOK ENG INA G285UN GET0345-005A INST BOOK ENG CHI(TAIWAN) G285UT...

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Kd-g28unKd-g285utKd-g285uh

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