1. Manuals
  2. Brands
  3. JVC Manuals
  4. Car Receiver
  5. KD-G701
  6. Service manual

JVC KD-G701 Service Manual

Hide thumbs Also See for KD-G701:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Instruction Manual
SERVICE MANUAL
3
2005
MA057B
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
CD RECEIVER
KD-G701
ATT
SOUND
U
R
SOURCE
F
D
VOL
VOL

TABLE OF CONTENTS

COPYRIGHT © 2005 VICTOR COMPANY OF JAPAN, LIMITED
Area suffix
E ----------- Continental Europe
EX --------------- Central Europe
No.MA057B
2005/3

Advertisement

Table of Contents
loading

Related Manuals for JVC KD-G701

Summary of Contents for JVC KD-G701

  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA057B 2005 KD-G701 Area suffix E ----------- Continental Europe EX --------------- Central Europe SOUND SOURCE TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 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. 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more Rear than 0.8% total harmonic distortion.

  • Page 3: Precaution

    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. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • Page 4 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 laser products.
  • Page 5 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam. procedures other than those specified here in may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS HOW TO IDENTIFY MODELS 2.1.1 NAME PLATE Discernment sign 1-6 (No.MA057B)

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the front panel assembly (See Fig.1) (1) Push the detach button in the lower right part of the front Front panel assembly panel assembly. (2) Remove the front panel assembly. Detach button Fig.1 3.1.2 Removing the heat sink (See Fig.2)
  • Page 8 3.1.3 Removing the top chassis assembly (See Figs.3 to 6) • Prior to performing the following procedures, remove the heat Bottom chassis assembly sink. Reference: Remove the front panel assembly as required. (1) From the bottom side of the main body, remove the two screws D attaching the top chassis assembly to the bottom chassis assembly.
  • Page 9 3.1.4 Removing the front chassis (See Figs.7 and 8) • Prior to performing the following procedure, remove the front Top chassis assembly panel assembly, heat sink and top chassis assembly. (1) From the both sides of the top chassis assembly, remove the two screws F attaching the front chassis.
  • Page 10 3.1.6 Removing the main board (See Figs.10 and 11) • Prior to performing the following procedures, remove the front Rear bracket panel assembly, heat sink and top chassis assembly. (1) From the rear side of the bottom chassis assembly, remove the two screws H attaching the rear bracket to the bottom chassis assembly.
  • Page 11 3.1.8 Removing the front door mechanism assembly (See Fig.13.) • Prior to performing the following procedures, remove the front Gear bracket unit Bottom chassis panel assembly, heat sink, top chassis assembly and main board. (1) From the top side of the bottom chassis assembly, remove the screw M attaching the FPC guide to the bottom chassis.
  • Page 12 CD Mechanism Assembly 3.2.1 Removing the top cover (See Figs.1 and 2) (1) Remove the two screws A on the both side of the body. (2) Lift the front side of the top cover and move the top cover backward to release the two joints a. Top cover Joints a Fig.1...
  • Page 13 3.2.2 Removing the connector board Wires (See Figs.3 to 5) CAUTION: Before disconnecting the flexible wire from the pickup, solder the short-circuit point on the pickup. No observance of this in- struction may cause damage of the pickup. (1) Remove the screw B fixing the connector board. (2) Solder the short-circuit point on the connector board.
  • Page 14 3.2.3 Removing the DET switch (See Figs.6 and 7) (1) Extend the two tabs c of the feed sw. holder and pull out the switch. (2) Unsolder the DET switch wire if necessary. DET switch Connector board Pickup Fig.6 Tab c DET switch DET switch wire Tab c...
  • Page 15 3.2.4 Removing the chassis unit (See Figs.8 and 9) • Prior to performing the following procedure, remove the top Chassis unit cover and connector board. Suspension spring (L) Suspension spring (R) (1) Remove the two suspension springs (L) and (R) attaching the chassis unit to the frame.
  • Page 16 3.2.5 Removing the clamper assembly (See Figs.10 and 11) • Prior to performing the following procedure, remove the top cover. (1) Remove the clamper arm spring. Clamper arm spring (2) Move the clamper assembly in the direction of the arrow to release the two joints d.
  • Page 17 3.2.6 Removing the loading / feed motor assembly (See Figs.12 and 13) • Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw C and move the loading / feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly.
  • Page 18 3.2.7 Removing the pickup unit Pickup unit (See Figs.14 to 18) • Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw D and pull out the pu. shaft holder from Part e the pu.
  • Page 19 3.2.9 Removing the trigger arm Joint k (See Figs.19 and 20) • Prior to performing the following procedure, remove the top cover, connector board and clamper unit. (1) Turn the trigger arm in the direction of the arrow to release Trigger arm the joint k and pull out upward.
  • Page 20 3.2.11 Removing the mode sw. / select lock arm Link plate Joint t (See Figs.22 and 23) Mode sw. • Prior to performing the following procedure, remove the top plate assembly. Select lock arm (1) Bring up the mode sw. to release from the link plate (joint t) and turn in the direction of the arrow to release the joint u.
  • Page 21 3.2.12 Reassembling the mode sw. / select lock arm Select lock arm spring (See Figs.24 to 26) Hook w REFERENCE: Reverse the above removing procedure. Joint v (1) Reattach the select lock arm spring to the top plate and set Joint v the shorter end of the select lock arm spring to the hook w on the top plate.
  • Page 22 3.2.13 Removing the select arm R / link plate Link plate Joint c' Joint r (See Figs.27 and 28) Select arm R Joint b' • Prior to performing the following procedure, remove the top plate assembly. (1) Bring up the select arm R to release from the link plate (joint a') and turn as shown in the figure to release the two Joint b' joints b' and joint c'.
  • Page 23 3.2.15 Removing the loading roller assembly Loading roller assembly (See Figs.31 to 33) • Prior to performing the following procedure, remove the Roller guide spring clamper assembly and top plate assembly. (1) Push inward the loading roller assembly on the gear side and detach it upward from the slot of the joint g' of the lock arm rivet assembly.
  • Page 24 3.2.16 Removing the loading gear 5, 6 and 7 Loading gear bracket (See Figs.35 and 36) • Prior to performing the following procedure, remove the top Loading gear 6 cover, chassis unit, pickup unit and top plate assembly. (1) Remove the screw K attaching the loading gear bracket. The loading gear 6 and 7 come off the loading gear brack- (2) Pull out the loading gear 5.
  • Page 25 3.2.17 Removing the gears Joint p' (See Figs.37 to 40) • Prior to performing the following procedure, remove the top Change plate rivet assembly cover, chassis unit, top plate assembly and pickup unit. • Pull out the loading gear 3. (See Fig.35.) (1) Pull out the feed gear.
  • Page 26 3.2.18 Removing the turn table / spindle motor Turn table (See Figs.41 and 42) • Prior to performing the following procedure, remove the top cover, connector board, chassis unit and clamper assembly. (1) Remove the two screws L attaching the spindle motor as- sembly through the slot of the turn table on top of the body.

  • Page 27: Adjustment

    (3) Digital tester Output Level Line out 2.0V (Vol. MAX) (4) Tracking offset meter (5) Test Disc JVC :CTS-1000 Dummy load (6) Extension cable for check Exclusive dummy load should be used for AM,and FM. For FM EXTSH002-22P × 1...

  • Page 28: Troubleshooting

    SECTION 5 TROUBLESHOOTING Feed section Is 5v or 0V at IC541 Is the wiring for IC541 Is 5V present at IC501 Check CD8V. pin 40? pin 40 correct? pins 3,12 and 21? Check the vicinity of IC501. Is 4V present at both Is 6V or 2V present at Check the feed motor sides of the feed motor?
  • Page 29 Signal processing section Compare the L-ch and Is the sound output from No sound from either R-ch to locate the both channels (L, R)? channel. defective point. Normal Is 9V present at IC161 Is 9V present at IC901 Check IC901 and its pin 40? pin 10? peripheral circuits.
  • Page 30 Maintenance of laser pickup Replacement of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens Turn of the power switch and, disconnect the with a alcohol soaked cotton swab. power cord.
  • Page 31 16 PIN CORD DIAGRAM Black Green VI/BK Violet GY/BK Blue Gray BL/WH WH/BK OR/WH White Yellow GN/BK Brown Orange VI/BK GY/BK WH/BK GN/BK MEMORY MEMORY BACKUP DIRECT TO BATTERY +12Volt BL/WH REMOTE OR/WH ACC + 12Volt GROUND Rear Right Auto Antenna Front Right...
  • Page 32 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA057B) Printed in Japan...

  • Page 33: Parts List

    PARTS LIST [ KD-G701 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E -------------- Southern Europe EX ------------ Northern Europe - Contents - Exploded view of general assembly and parts list (Block No.M1) CD mechanism assembly and parts list (Block No.MB)
  • Page 34 Exploded view of general assembly and parts list Block No. Mechanism control board Switch board...
  • Page 35 Main board...
  • Page 36 SEL BUTTON GE31194-003A KNOB GE31188-001A DETACH BUTTON GE40202-004A COMP.SPRING GE10085-003A REAR COVER GE40211-001A REAR LENS GE40216-001A REAR LENS (R) GE40218-010A SHEET (x2) VKZ4777-010 MINI SCREW (x4) GE40204-001A JVC BADGE GE40218-015A SHEET (x2) GE31201-002A LCD CASE GE31036-001A LCD LENS GE31037-001A LENS CASE...
  • Page 37  Symbol No. Part No. Part Name Description Local GE40200-002A LIGHTING SHEET GE31157-001A NAME PLATE G701E,G701EX GE31157-002A NAME PLATE G701E2,G701EX2 LV41843-002A LASER CAUTION QLD0296-001 LCD MODULE QNZ0442-001 LCD CONNECTOR QNZ0442-001 LCD CONNECTOR QAL0587-001 FPC CABLE QNZ0664-003 FRONT CONNECTOR QAM0544-002 STEERING CABLE QMFZ047-150-T FUSE ...
  • Page 38 CD mechanism assembly and parts list Block No. Grease TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-501A...
  • Page 39 CD mechanism Block No. [M][B][M][M] Symbol No. Part No. Part Name Description Local  30320101T FRAME 30320102T TOP COVER 30320115T DANPER F 30320116T DANPER R 303205505T CHASSIS RIVET 303205503T CHANGE P. RVT A 303205301T CLAMPER ASS'Y 303205302T SPINDLE MOTOR A 30320502T CLAMPER ARM 30320503T...

  • Page 40: Electrical Parts List

    Electrical parts list Main board (KD-G701E,EX) Symbol Part No. Part Name Description Local  Block No. [0][1] D501 1A3G-T1 SI DIODE  Symbol Part No. Part Name Description Local D701 UDZS6.2B-X Z DIODE D702 1SS355-X SI DIODE D704 UDZS6.2B-X Z DIODE IC31 TB2118F-X PLL IC...
  • Page 41 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   C164 QEKJ1HM-105Z E CAPACITOR 1uF 50V M C509 NCB31EK-104X C CAPACITOR 0.1uF 25V K C165 QEKJ1HM-105Z E CAPACITOR 1uF 50V M C510 NDC31HJ-680X C CAPACITOR 68pF 50V J C168 NCB31HK-221X...
  • Page 42 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   C784 QEKJ1EM-475Z E CAPACITOR 4.7uF 25V M R171 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J C801 NCB31HK-103X C CAPACITOR 0.01uF 50V K R172 NRSA63J-273X MG RESISTOR 27kΩ...
  • Page 43 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   R519 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R740 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R523 NRSA63J-823X MG RESISTOR 82kΩ 1/16W J R741 NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 44 Switch board (KD-G701E,EX) Symbol Part No. Part Name Description Local  Block No. [0][2] R613 NRSA63J-821X MG RESISTOR 820Ω 1/16W J Symbol Part No. Part Name Description Local  R614 NRSA63J-122X MG RESISTOR 1.2kΩ 1/16W J R615 NRSA63J-182X MG RESISTOR 1.8kΩ...
  • Page 45 Main board (KD-G701E2,EX2) Symbol Part No. Part Name Description Local  Block No. [0][3] D702 1SS355-X SI DIODE Symbol Part No. Part Name Description Local  D704 UDZS6.2B-X Z DIODE D705 UDZS6.2B-X Z DIODE D706 UDZS6.2B-X Z DIODE IC31 TB2118F-X PLL IC D717 UDZS6.2B-X...
  • Page 46 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   C173 NCB31HK-103X C CAPACITOR 0.01uF 50V K C525 QEKJ0JM-107Z E CAPACITOR 100uF 6.3V M C174 NCB31HK-103X C CAPACITOR 0.01uF 50V K C527 NCB31HK-682X C CAPACITOR 6800pF 50V K C175 NCB31HK-103X...
  • Page 47 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   C903 QEKJ1CM-476Z E CAPACITOR 47uF 16V M R177 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J C904 QEKJ1AM-107Z E CAPACITOR 100uF 10V M R178 NRSA63J-273X MG RESISTOR 27kΩ...
  • Page 48 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   R528 NRSA02J-220X MG RESISTOR 22Ω 1/10W J R748 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R529 NRSA63J-823X MG RESISTOR 82kΩ 1/16W J R749 NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 49 Switch board (KD-G701E2,EX2) Symbol Part No. Part Name Description Local  Block No. [0][4] R625 NRSA02J-621X MG RESISTOR 620Ω 1/10W J Symbol Part No. Part Name Description Local  R628 NRSA02J-911X MG RESISTOR 910Ω 1/10W J R630 NRSA02J-621X MG RESISTOR 620Ω...
  • Page 50 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A2 A3 A4 A5 A6 A7 A8 A9 A10 KIT: A11 A12 A13 A14 A15 3-18...
  • Page 51 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  GET0199-001A INST BOOK ENG GER FRE DUT GET0199-002A INST BOOK SPA ITA POL RUS G701E,G701E2 GET0199-003A INST BOOK SWE DAN FIN GRE G701EX,G701EX2 GET0199-005A INSTALL MANUAL GET0199-006A INSTALL MANUAL G701E,G701E2...
  • Page 52 SCHEMATIC DIAGRAMS CD RECEIVER KD-G701 CD-ROM No.SML200503 Area suffix E ------------ Southern Europe EX ------------ Northern Europe KD-G701 SOUND SOURCE Contents Block diagram Standard schematic diagrams (For E,EX version) Standard schematic diagrams (For E2,EX2 version) Printed circuit boards 2-8 to 11 No.MA057BSCH...

  • Page 53: Safety Precaution

    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 54: Block Diagram

    IC401 KEY2 REMOCON CD L.P.F. CD CHANGER SD601,SD602 LCDCL MP3 & WMA CH.SCK SO,I/O KEY MATRIX LCDDA CONTROL IC801 SI/SO INT,SCK LCDCE JVC BUS KEY0 ENC1 KEY1 ENC2 IC601 STEERING REMOCON KEY2 REMOCON STEERING REMOTE LCDCL ENC1 DRIVER CABLE LCDDA...

  • Page 55: Standard Schematic Diagrams

    Standard schematic diagrams (For E, EX version) Main amplifier section J301 QNN0489-001 IC301 QAU0313-001 LA47515 Q321 Q331 QAM0556-001 Q341 2SD1781K/QR/-X 2SD1781K/QR/-X 2SD1781K/QR/-X Q351 C162 1/50 2SD1781K/QR/-X 1/50 1/50 2SD601A/R/-X C163 1/50 1/50 C164 1/50 C165 1/50 0.047 22/16 0.001 C352 R179 10/16 C161...
  • Page 56 CD servo control section C529 100/10 C528 C532 0.01 R533 R511 R510 R508 1.5k 8.2k VREF R532 R531 R535 R537 CD-RW R512 R509 1.5k C531 C530 R503 C534 4.7k C504 FEED+ 0.047 FEED- SPINDLE+ SPINDLE- C505 0.047 C510 R517 C501 C509 5.1k 47/10...
  • Page 57 LCD & control section LCD1 QLD0296-001 CN601 NNZ0098-001X R676 3.3k LCDDA LCDCE R677 3.3k LCDCL R678 3.3k KEY1 KEY2 ENC2 JS601 KEY0 QSW0863-003 TEMP ENC2 ENC1 R685 R604 R603 R602 R601 ENC1 RESET R661 1.8k 1.2k R666 R668 R669 COM8 D691 COM7 S605...
  • Page 58 Standard schematic diagrams (For E2, EX2 version) Main amplifier section J301 QNN0489-001 IC301 QAU0222-001 LA47515 Q321 Q331 QAM0556-001 Q341 2SD1781K/QR/-X 2SD1781K/QR/-X 2SD1781K/QR/-X Q351 C162 2SD1781K/QR/-X 1/50 1/50 1/50 2SD601A/R/-X C163 1/50 1/50 C164 1/50 C165 1/50 0.001 0.047 22/16 C352 R179 C161 10/16...
  • Page 59 CD servo control section C529 100/10 C528 C532 0.01 R533 R511 R510 R508 1.5k 8.2k VREF R532 R531 R535 R537 CD-RW R512 R509 1.5k C531 C530 R503 C534 4.7k C504 FEED+ 0.047 FEED- SPINDLE+ SPINDLE- C505 0.047 C510 R517 C501 C509 5.1k 47/10...
  • Page 60 LCD & control section LCD1 QLD0296-001 CN601 NNZ0098-001X LCDDA R676 3.3k LCDCE R677 3.3k LCDCL R678 3.3k KEY1 KEY2 ENC2 JS601 KEY0 QSW0863-003 TEMP ENC2 ENC1 R685 R604 R603 R602 R601 ENC1 RESET R661 1.8k 1.2k R666 R668 R669 COM8 D691 COM7 S605...
  • Page 61 Printed circuit boards Main board (For E, EX version) Forward side Reverse side CN901 D902 C902 J801 C903 J301 C903 D892 J801 C333 J301 C344 L901 C916 C916 D901 CN901 C881 C171 C783 C170 D901 R165 C881 C306 R247 R166 C323 C168 D162...
  • Page 62 Main board (For E2, EX2 version) Forward side C903 J301 J801 L901 C916 CN901 C881 C171 C783 C170 D901 R165 R247 R166 C323 C168 D162 R162 R781 D161 R782 R161 IC161 C243 R246 C180 C244 C181 C784 C305 C352 C332 R242 C178 C307...
  • Page 63 Main board Reverse side CN901 D902 C902 J801 C903 D892 J301 C344 C916 D901 C881 C306 C701 C323 CN702 C243 C180 C244 C181 C784 C305 C178 C332 C352 C331 C307 C321 C304 C176 C167 C301 R243 C166 C342 C322 R245 R241 C179 R244...
  • Page 64 Switch board (Common) Forward side S603 S617 D608 Q644 Q645 SD602 SD601 LCD1 D641 D601 D620 D618 D642 R632 S605 D643 S602 D617 R612 S601 R611 D607 D616 D621 D602 D622 S616 D623 D610 D611 D613 R607 D614 R605 D612 R609 S612 R606...
  • Page 65 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MA057BSCH)

Table of Contents