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JVC KD-G611 Service Manual
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JVC KD-G611 Service Manual

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See also: Instructions for Use Manual , Instruction Manual
SERVICE MANUAL
2
MA148
2005
KD-G611, KD-G612, KD-G617
STEERING CABLE
CONTROL PANEL
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
CD RECEIVER
KD-G611
KD-G612
SILVER
BLACK

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
E ------------ Southern Europe
EX ------------ Northern Europe
KD-G611/KD-G612
EY ------------- Eastern Europe
EU --------------------------Turkey
EE --------- Russian Federation
KD-G617
KD-G617
BLACK
KD-G611, KD-G612
Area suffix
KD-G617
Area suffix
No.MA148
2005/2

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Summary of Contents for JVC KD-G611

  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA148 2005 KD-G611, KD-G612, KD-G617 KD-G611, KD-G612 Area suffix E ------------ Southern Europe EX ------------ Northern Europe KD-G611/KD-G612 EY ------------- Eastern Europe EU --------------------------Turkey KD-G617 Area suffix EE --------- Russian Federation KD-G617 KD-G611 KD-G612 KD-G617 STEERING CABLE...
  • Page 2 70 dB Line-Out Level/Impedance 2.5 V/20 kΩ load (full scale) Output Impedance 1 kΩ Subwoofer-Out Level/Impedance 2.0 V/20 kΩ load (full scale) (KD-G612/KD-G611) Other Terminals CD changer SUBWOOFER , Steering wheel remote input (only for KD- G612/KD-G611) TUNER SECTION Frequency Range 87.5 MHz to 108.0 MHz...

  • Page 3: Precautions

    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 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 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 (as same as KDG612, KDG617) 1-6 (No.MA148)

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the front panel assembly (See Fig.1) (1) Push the detach button in the lower right part of the front panel assembly and remove the front panel assembly. Front panel assembly (2) Take out the front panel assembly. Detach button Fig.1 3.1.2 Removing the bottom cover...
  • Page 8 3.1.3 Removing the front chassis assembly (See Figs.3 and 4) • Prior to performing the following procedures, remove the front panel assembly and bottom cover. Joint d Joint e (1) Remove the two screws A on the both sides of the main body.
  • Page 9 G attaching the rear bracket on the back side of the main body. (2) Remove the screw E' attaching the rear bracket on the back side of the main body. (For KD-G611 model only) (3) Take out the rear bracket. Reference: When attaching the rear bracket to the main body, insert the steering remote into the slot of the rear bracket.
  • Page 10 3.1.8 Removing the front board (See Figs.9 to 11) • Prior to performing the following procedure, remove the front panel assembly. (1) Remove the five screws K attaching the front panel assem- bly. (See Fig.9) (2) Release the nine joints f, and take out the rear cover. (See Fig.10) (3) Take out the front board from the front panel assembly.
  • Page 11 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 12 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 13 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 14 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 15 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 (2) Move the clamper assembly in the direction of the arrow to spring release the two joints d.
  • Page 16 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 17 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 the pu.
  • Page 18 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 19 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 20 3.2.12 Reassembling the mode sw. / select lock arm Select lock arm spring (See Figs.24 to 26) REFERENCE: Hook w 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 21 3.2.13 Removing the select arm R / link plate Link plate Joint r Joint c' (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 22 3.2.15 Removing the loading roller assembly (See Figs.31 to 33) Loading roller assembly • Prior to performing the following procedure, remove the Roller guide clamper assembly and top plate assembly. spring (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 23 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 24 3.2.17 Removing the gears Joint p' (See Figs.37 to 40) • Prior to performing the following procedure, remove the top Change plate cover, chassis unit, top plate assembly and pickup unit. rivet assembly • Pull out the loading gear 3. (See Fig.35.) (1) Pull out the feed gear.
  • Page 25 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 26: Adjustment

    (3) Digital tester Output Level Line out 2.5V (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 27: 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? pin 20? Check the vicinity of IC541. Is 4V present at both Is 6V or 2V present at Check the feed motor sides of the feed motor?
  • Page 28 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 26? pin 10? peripheral circuits.
  • Page 29 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 30 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 REMOTE BL/WH OR/WH ACC + 12Volt GROUND Rear Right Auto Antenna Front Right...
  • Page 31 (No.MA148)1-31...
  • Page 32 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA148) Printed in Japan...

This manual is also suitable for:

Kd-g612Kd-g617