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JVC KD-G431E Service Manual
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SERVICE MANUAL
SERVICE MANUAL
12
2006
MA290
KD-G431E, KD-G431EX, KD-G431EY,
KD-G431EU, KD-G433UI, KD-G434UI,
KD-G435U, KD-G435UN, KD-G435UT,
KD-G435UH, KD-G436U, KD-G436UN,
KD-G436UT, KD-G436UH, KD-G437EE,
COPYRIGHT © 2006 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
All manuals and user guides at all-guides.com
CD RECEIVER
KD-G387EE

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
(for europe)
No.MA290
2006/12

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Summary of Contents for JVC KD-G431E

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com SERVICE MANUAL CD RECEIVER MA290 2006 SERVICE MANUAL KD-G431E, KD-G431EX, KD-G431EY, KD-G431EU, KD-G433UI, KD-G434UI, KD-G435U, KD-G435UN, KD-G435UT, KD-G435UH, KD-G436U, KD-G436UN, KD-G436UT, KD-G436UH, KD-G437EE, KD-G387EE (for europe) COPYRIGHT © 2006 Victor Company of Japan, Limited...
  • Page 2 All manuals and user guides at all-guides.com SPECIFICATION AUDIO AMPLIFIER SECTION Maximum Power Output Front/Rear 50 W per channel 19 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than Continuous Power Output Front/Rear (RMS) 0.8% total harmonic distortion.
  • Page 3: Precautions

    All manuals and user guides at all-guides.com SECTION 1 PRECAUTIONS 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. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • Page 4 All manuals and user guides at all-guides.com Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.2.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.
  • Page 5 All manuals and user guides at all-guides.com Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.
  • Page 6: Specific Service Instructions

    All manuals and user guides at all-guides.com SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.MA290)
  • Page 7: Disassembly

    All manuals and user guides at all-guides.com SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the Bottom cover (See Fig.1) (1) Disengage the five hooks a engaged Bottom cover. Hook Hook Hook Fig.1 3.1.2 Removing the Front chassis assembly (See Fig.2) (1) Remove the two screws A (both side of Front chassis as- sembly) attaching the Front chassis assembly.
  • Page 8 All manuals and user guides at all-guides.com 3.1.4 Removing the Heat sink (See Fig.4) (1) Remove the two screws J and one screw K attaching the Heat sink. Fig.4 3.1.5 Removing the Main board assembly (See Fig.5) (1) Remove the two screws L attaching the Main board as- sembly.
  • Page 9 All manuals and user guides at all-guides.com Front panel assembly 3.2.1 Removing the Rear cover (See Fig.7) (1) Remove the volume knob from Front panel assembly. (2) Remove the five screws N attaching the Rear cover. Hook Hook (3) Disengage the fourteen hooks c engaged Rear cove. CAUTION: When remove the Rear cover, Detach knob and spring are easy to come off to easy, do not lost them.
  • Page 10: Adjustment

    (3) Digital tester Output Level : Line out 2.0V (Vol. MAX) (4) Tracking offset meter Standard volume position (5) Test Disc JVC: CTS-1000 Balance and Bass & Treble volume : Indication "0" (6) Extension cable for check Loudness : OFF EXTSH002-22P ×...
  • Page 11: Troubleshooting

    All manuals and user guides at all-guides.com SECTION 5 TROUBLESHOOTING 16PIN CORD DIAGRAM (for Europe) Black Green Violet Gray Blue BL/WH White Yellow WH/BK Brown GN/BK VI/BK GY/BK BL/WH RD 7 7 RD 16 YL YL 4 8 BK 5 BL/WH 13 BR 3 GN 11 GN/BK...
  • Page 12 All manuals and user guides at all-guides.com 16 PIN CORD DIAGRAM (for Asia) Black Green Violet BL/WH Blue Gray WH White Yellow WH/BK GN/BK VI/BK GY/BK MEMORY 16 YL 8 BK 7 RD 3 GN 11 GN/BK 2 VI 10 VI/BK 4 WH 12 WH/BK 1 GY...
  • Page 13 All manuals and user guides at all-guides.com (No.MA290)1-13...
  • Page 14 All manuals and user guides at all-guides.com Victor company of Japn, Limited Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken, 371-8543,Japan (No.MA290) Printed in Japan...
  • Page 15 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS CD RECEIVER KD-G431E,KD-G431EX,KD-G431EY KD-G431EU,KD-G433UI,KD-G434UI KD-G435U,KD-G435UN,KD-G435UT KD-G435UH,KD-G436U,KD-G436UN KD-G436UT,KD-G436UH KD-G437EE,KD-G387EE CD-ROM No.SML200612 (for europe) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram Standard schematic diagrams Printed circuit boards No.MA290SCH...
  • Page 16 All manuals and user guides at all-guides.com 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 17 1.5V REGULATOR REMOCON ENC2 LCD1 LCDCE CH_L/R IC681 JS686 CHANGER REMOCON LCD DISPLAY ENCODER REMOCON ENC1 IC801 CONTROL SI, SO, I/O, SCK, INT SI/SO ENC2 JVC BUS AUX_L/R AUX_L/R Not Used for KD-G387 INPUT STEERING STEERING REMOTE Used for KD-G431...
  • Page 18 All manuals and user guides at all-guides.com Standard schematic diagrams QAM0958-001 CN761 QGA2006F1-02 Main section R332 R331 Q331 D331 MA111-X C331 RT6N430C-X 100P MA111-X Q321 D321 C321 RT6N430C-X 100P R321 R322 J321 QAU0484-001 C718 R351 R352 QNN0773-001 100P D722 D351 MA111-X Q351 C351...
  • Page 19 All manuals and user guides at all-guides.com CD section D501 1A3G-T1 C586 QTE1H54-225Z R569 R584 R588 R590 C588 R586 150P 5.6k R509 100K R515 C506 0.01 C505 47/16 IC501 LA6242H-X R585 C587 5.6k R583 150P R589 R587 C585 R517 QTE1H54-225Z R510 C518 R511...
  • Page 20 All manuals and user guides at all-guides.com LCD and Key control section JS686 IC681 QSW1219-001 RPM7338-V4 C682 0.01 R690 C681 2.2K 4.7/6.3 2.2K R689 C686 C687 0.022 0.022 CJ601 QGZ1601K1-15S LCD1 KEY2 QLD0460-001 KEY1 KEY0 REMOCON ACC5V ILL10V R683 ENC1 ENC2 LCDCLK LCDDA...
  • Page 21 All manuals and user guides at all-guides.com Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) D902 CN901 C901 J321 R891 D891 D951 IC901 R332 C902 C891 C971 R971 D901 J801 C161...
  • Page 22 All manuals and user guides at all-guides.com 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.MA290SCH)
  • Page 23 All manuals and user guides at all-guides.com PARTS LIST KD-G431E,KD-G431EX,KD-G431EY,KD-G431EU KD-G433UI,KD-G434UI KD-G435U,KD-G435UN,KD-G435UT,KD-G435UH KD-G436U,KD-G436UN,KD-G436UT,KD-G436UH KD-G437EE,KD-G387EE * All printed circuit boards and its assemblies are not available as service parts. * Please refer to the mechanism manual (model TN2007-1010, No.MY005,MY005B) for the CD mechanism.
  • Page 24 All manuals and user guides at all-guides.com Exploded view of general assembly and parts list Block No. only UT ver. S/M : MY005,MY005B only G431 Switch board...
  • Page 25 All manuals and user guides at all-guides.com except G387 Main board only G431 only G431, G437,G387...
  • Page 26 PRESET BTN G436UH,G437EE,G387EE G431E,G431EX,G431EY,G431EU,G434UI, GE32345-002A DETACH BTN G435U,G435UN,G435UT,G435UH GE32345-004A DETACH BTN G433UI,G436U,G436UN,G436UT,G436UH GE32345-001A DETACH BTN G437EE,G387EE GE40202-017A COMP.SPRING GE40347-001A JVC BADGE FSYH4036-069 SHEET G431E,G431EX,G431EY,G431EU,G434UI, GE32337-002A VOL KNOB G435U,G435UN,G435UT,G435UH G433UI,G436U,G436UN,G436UT,G436UH, GE32337-001A VOL KNOB G437EE,G387EE GE40370-001A VOL TOP ASSY GE40127-001A KNOB SPRING...
  • Page 27 All manuals and user guides at all-guides.com Symbol No. Part No. Part Name Description Local  QYSDSF2606ZA TAP SCREW M2.6 x 6mm QYSDSF2606ZA TAP SCREW M2.6 x 6mm(x2) G431E,G431EX,G431EY,G431EU,G433UI, G434UI,G435U,G435UN,G435UT, QYSDST2606ZA TAP SCREW M2.6 x 6mm G435UH,G436U,G436UN,G436UT, G436UH,G437EE GE40172-005A IC BRACKET GE40103-003A REG BRACKET GE40107-002A...
  • Page 28 All manuals and user guides at all-guides.com Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] G431 E,G43  Symbol No. Part No. Part Name Description Local 1EX,G 431E Y,G43 G431 1EU, E,G43 G433 1EX,G...
  • Page 29 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 G433 E,G43 UI,G4 1EX,G 34UI, D722 UDZW6.2B-X Z DIODE 431E G435 Y,G43 U,G43 5UN, G435 G431 D951...
  • Page 30 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 G431 E,G43 E,G43 1EX,G 1EX,G 431E 431E NDC31HJ-561X C CAPACITOR 560pF 50V J Y,G43 Y,G43 1EU, 1EU,...
  • Page 31 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C515 NCB31HK-122X C CAPACITOR 1200pF 50V K G431 E,G43 C517 NCB31HK-182X C CAPACITOR 1800pF 50V K 1EX,G C518 NDC31HJ-680X...
  • Page 32 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 R522 NRSA63J-221X MG RESISTOR 220Ω 1/16W J E,G43 R523 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J 1EX,G R524 NRS181J-222X...
  • Page 33 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G387 G433 R722 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J UI,G4 34UI, G431 G435 E,G43 U,G43 1EX,G 5UN, 431E...
  • Page 34 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 G431 E,G43 E,G43 1EX,G 1EX,G 431E 431E Y,G43 Y,G43 1EU, 1EU, G433 G433 UI,G4 UI,G4 34UI, 34UI,...
  • Page 35 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 R902 QRE141J-102Y C RESISTOR 1kΩ 1/4W J E,G43 R903 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J 1EX,G R905 NRSA63J-102X...
  • Page 36 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 G433 E,G43 UI,G4 1EX,G 34UI, 431E G435 Y,G43 U,G43 1EU, 5UN, G433 G435 UI,G4 D632 SML-310LT/MN/-X UT,G4...
  • Page 37 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 G433 E,G43 UI,G4 1EX,G 34UI, 431E G435 D636 LSQ971/KL/-X Y,G43 U,G43 1EU, 5UN, G437 G435 EE,G3 D639...
  • Page 38 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G431 G433 E,G43 UI,G4 1EX,G 34UI, 431E G435 D643 LSQ971/KL/-X Y,G43 U,G43 1EU, 5UN, G437 G435 EE,G3 D646...
  • Page 39 All manuals and user guides at all-guides.com  Symbol No. Part No. Part Name Description Local D653 NSPW310BS/BRST/ D661 1SS355W-X DIODE D661 or MA111-X SI DIODE D662 UDZW5.1B-X SB DIODE D662 or MA8051/M/-X Z DIODE C661 NCB21AK-105X C CAPACITOR 1uF 10V K C662 NDC31HJ-681X C CAPACITOR...
  • Page 40 All manuals and user guides at all-guides.com Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available A1,A3, A4, A5,A6 A18, A19,A20 only G431, G435U, G436U KIT : A7, A8, A9, A10, A11 only G433, G434,G435, G436,G437...
  • Page 41 All manuals and user guides at all-guides.com Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  GET0410-002A INST BOOK SPA POR GRE G431E GET0410-004A INST BOOK DUT DAN FIN SWE G431EX GET0410-007A INST BOOK HUN CZE POL G431EY GET0410-005A...
  • Page 42 M odel S ervice M anual N o . ( )S.All products. ( )a.Items in JVC dealer stock / service return goods. ( )b.JVC stock / units returned for service. ( )c.Sold items returned for service. Please refer to 2 page.
  • Page 43 KD-G635UF MA292 KD-G161EU MA233 KD-G435UT MA290 KD-G421EX MA245 KD-G637EE MA313 KD-G161EX MA233 KD-G387EE MA290 KD-G421EY MA245 KD-AR480J MA293 KD-G161EY MA233 KD-G431E MA290 KD-G424UI MA245 KD-G430J MA293 KD-G162E MA233 KD-G431EU MA290 KD-G425U MA245 KD-G531E MA293 KD-G162EU MA233 KD-G431EX MA290 KD-G425UH MA245...