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JVC KD-G701 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
2
2004
MA057
TE
L 13942296513
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
www
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
.
CD RECEIVER
KD-G701
ATT
SOUND
U
R
SOURCE
F
D
VOL
VOL

TABLE OF CONTENTS

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u163
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COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
Area suffix
E ----------- Continental Europe
EX --------------- Central Europe
0 5
8
2 9
9 4
2 8
m
No.MA057
9 9
9 9
2004/2

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA057 2004 KD-G701 Area suffix E ----------- Continental Europe EX --------------- Central Europe SOUND L 13942296513 SOURCE 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 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 http://www.xiaoyu163.com Preventing static electricity 3 7 63 1515 0 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 http://www.xiaoyu163.com Important for laser products 3 7 63 1515 0 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.

  • Page 6: Specific Service Instructions

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. L 13942296513 u163 1-6 (No.MA057) http://www.xiaoyu163.com...

  • Page 7: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 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...

  • Page 8: Heat Sink

    http://www.xiaoyu163.com 3.1.3 Removing the top chassis assembly 3 7 63 1515 0 (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: No.ma057)1

    http://www.xiaoyu163.com 3.1.4 Removing the front chassis 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.1.6 Removing the main board 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.1.8 Removing the front door mechanism assembly 3 7 63 1515 0 (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 http://www.xiaoyu163.com CD Mechanism Assembly 3 7 63 1515 0 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.

  • Page 13: No.ma057)1

    http://www.xiaoyu163.com 3.2.2 Removing the connector board 3 7 63 1515 0 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.

  • Page 14: Http://Www.xiaoyu163.Com

    http://www.xiaoyu163.com 3.2.3 Removing the DET switch 3 7 63 1515 0 (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...
  • Page 15 http://www.xiaoyu163.com 3.2.4 Removing the chassis unit 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.2.5 Removing the clamper assembly 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.2.6 Removing the loading / feed motor assembly 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.2.7 Removing the pickup unit 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.9 Removing the trigger arm 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.11 Removing the mode sw. / select lock arm 3 7 63 1515 0 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.
  • Page 21 http://www.xiaoyu163.com 3.2.12 Reassembling the mode sw. / select lock arm 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.13 Removing the select arm R / link plate 3 7 63 1515 0 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.
  • Page 23 http://www.xiaoyu163.com 3.2.15 Removing the loading roller assembly 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.16 Removing the loading gear 5, 6 and 7 3 7 63 1515 0 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.
  • Page 25 http://www.xiaoyu163.com 3.2.17 Removing the gears 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.18 Removing the turn table / spindle motor 3 7 63 1515 0 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 dummy load,there is a loss of 6dB between SSG output and antenna input.The loss of 6dB need not be considered since...

  • Page 28: Troubleshooting

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 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.
  • Page 29 http://www.xiaoyu163.com Signal processing section 3 7 63 1515 0 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?
  • Page 30 http://www.xiaoyu163.com Maintenance of laser pickup 3 7 63 1515 0 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.
  • Page 31 http://www.xiaoyu163.com 16 PIN CORD DIAGRAM 3 7 63 1515 0 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 L 13942296513 MEMORY MEMORY BACKUP DIRECT TO BATTERY +12Volt BL/WH REMOTE OR/WH ACC + 12Volt GROUND...
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA057) Printed in Japan http://www.xiaoyu163.com...

  • Page 33: Schematic Diagrams

    3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-G701 CD-ROM No.SML200402 Area suffix E ----------- Continental Europe EX --------------- Central Europe L 13942296513 SOUND SOURCE Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5 to 7 u163 No.MA057SCH...

  • Page 34: Safety Precaution

    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 35: Block Diagram

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Block diagram J301 LINE OUT FRONT L,FRONT R L-CH REAR L,REAR R R-CH OUTLF FM/AM OUTLR TUNER OUTRF IC301 OUTRR IC161 POWER SD/ST E.VOLUME AMP. MONO IC31 SM,FM/AM FM/AM OSC SEEK/STOP FRONT LEFT (+) FM VT...
  • Page 36 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amplifier section J301 QNN0489-001 IC301 QAU0313-001 LA47515 Q321 Q331 QAM0556-001 2SD1781K/QR/-X Q341 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 1/50 C164 C165 1/50 0.001...
  • Page 37 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 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-...
  • Page 38 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 LCD & Key control section LCD1 QLD0296-001 CN601 NNZ0098-001X LCDDA R676 3.3k LCDCE R677 3.3k LCDCL R678 3.3k KEY1 KEY2 1 3 9 4 2 2 9 6 5 1 3 ENC2 To CN701 JS601...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Forward side C903 J301 J801 L901 C916 CN901 C881 C171 C783 C170 D901 R165 R166 R247 C323 C168 D162 R781 R162 D161 R782 R161 IC161 C243 R246 C180 C244 C181 C784 C305...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Reverse side CN901 D902 C902 J801 C903 D892 C333 J301 C344 C916 D901 C881 C306 C701 C323 CN702 C180 C243 C244 C181 C784 C305 C178 C332 C352 C331 C307 C321 C304 C176 C167 R243 C301...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 Front board 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...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MA057SCH) http://www.xiaoyu163.com...

  • Page 43: Parts List

    3 7 63 1515 0 PARTS LIST [ KD-G701 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe EX --------------- Central Europe L 13942296513 - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assmbly and parts list Block No. L 13942296513 Mecha control board Front board u163 http://www.xiaoyu163.com...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 Main board L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 46 KNOB GE31188-001A DETACH BUTTON GE40202-004A COMP.SPRING GE10085-002A REAR COVER GE40211-001A REAR LENS GE40216-001A REAR LENS (R) u163 GE40218-010A SHEET (x2) VKZ4777-001 MINI SCREW (x4) GE40204-001A JVC BADGE GE40218-015A SHEET (x2) GE31201-002A LCD CASE GE31036-001A LCD LENS GE31037-001A LENS CASE http://www.xiaoyu163.com...
  • Page 47 http://www.xiaoyu163.com 3 7 63 1515 0 CD mechanism assembly and parts list Block No. Grease TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-501A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 48 http://www.xiaoyu163.com 3 7 63 1515 0 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...

  • Page 49: Electrical Parts List

    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][0][0] D701 UDZS6.2B-X Z DIODE  Symbol No. Part No. Part Name Description Local D702 1SS355-X SI DIODE D704 UDZS6.2B-X Z DIODE...
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C171 NCB31EK-104X C CAPACITOR 0.1uF 25V K C524 NCB31HK-103X C CAPACITOR 0.01uF 50V K C172 NCB31HK-103X C CAPACITOR 0.01uF 50V K C525...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C903 QEKJ1CM-476Z E CAPACITOR 47uF 16V M R179 NRSA63J-273X MG RESISTOR 27kΩ 1/16W J C904 QEKJ1AM-107Z E CAPACITOR 100uF 10V M R241...

  • Page 52: Front Board

    http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R531 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R753 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R532 NRSA63J-202X MG RESISTOR 2kΩ...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local D604 SML-310VT/JK/-X R655 NRS181J-391X MG RESISTOR 390Ω 1/8W J D605 SML-310VT/JK/-X R656 NRS181J-391X MG RESISTOR 390Ω 1/8W J D606 SML-310VT/JK/-X R657...
  • Page 54 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A2 A3 A4 A5 A6 A7 A8 A9 A10 L 13942296513 KIT: A11 A12 A13 A14 A15 u163 3-12 http://www.xiaoyu163.com...
  • Page 55 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 ENG GER FRE GET0199-001A INST BOOK GET0199-002A INST BOOK SPA ITA POL RUS E SWE DAN FIN GET0199-003A INST BOOK GET0199-005A INSTALL MANUAL GET0199-006A...

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