JVC KD-G301 Service Manual
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JVC KD-G301 Service Manual

JVC KD-G301 Service Manual

Cd receiver
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3 7 63 1515 0
SERVICE MANUAL
1
2004
MA040
TE
L 13942296513
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
www
.
CD RECEIVER
KD-G301, KD-G302
KD-G302
KD-G301

TABLE OF CONTENTS

x
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.MA040
9 9
9 9
2004/1

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA040 2004 KD-G301, KD-G302 Area suffix E ----------- Continental Europe EX --------------- Central Europe KD-G302 L 13942296513 KD-G301 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 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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: Specific Service Instructions

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. L 13942296513 u163 (No.MA040)1-5 http://www.xiaoyu163.com...

  • Page 6: Disassembly

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the front panel assembly Front panel assembly (See Fig.1) (1) Press the detach button and remove the front panel assembly. Detach button Fig.1 3.1.2 Removing the bottom cover (See Fig.2) (1) From the bottom side of the main body, release the two Bottom cover...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 3.1.4 Removing the side panel (See Fig.5) • Prior to performing the following procedure, remove the front panel assembly as required. (1) From the left side of the main body, remove the two screws C and screw D attaching the side panel.

  • Page 8: No.ma040)1

    http://www.xiaoyu163.com 3 7 63 1515 0 3.1.7 Removing the CD mechanism assembly (See Fig. 8) • Prior to performing the following procedure, remove the front panel assembly, bottom cover, front chassis assembly, side panel, rear bracket, main board and CD mechanism board. (1) Remove the three screws J attaching the CD mechanism.
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 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.

  • Page 10: No.ma040)1

    http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 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 13: Http://Www.xiaoyu163.Com

    http://www.xiaoyu163.com 3 7 63 1515 0 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 14: No.ma040)1

    http://www.xiaoyu163.com 3 7 63 1515 0 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 15 http://www.xiaoyu163.com 3 7 63 1515 0 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 16 http://www.xiaoyu163.com 3 7 63 1515 0 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 17 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 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 19 http://www.xiaoyu163.com 3 7 63 1515 0 3.2.13 Removing the select arm R / link plate Joint c' Link plate Joint r (See Figs.27 and 28) Joint b' Select arm R • Prior to performing the following procedure, remove the top plate assembly.
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 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 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 21 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0 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 23 http://www.xiaoyu163.com 3 7 63 1515 0 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 24: Adjustment

    Exclusive dummy load should be used for AM,and FM. For FM (7) Tracking offset meter dummy load,there is a loss of 6dB between SSG output and (8) Test Disc JVC :CTS-1000 antenna input.The loss of 6dB need not be considered since (9) Extension cable for check direct reading of figures are applied in this working standard.

  • Page 25: Trouble Shooting

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 5 TROUBLE SHOOTING Feed section Is the voltage output at Is the wiring for IC521 Is 5V present at IC561 Check CD 8V. IC521 pin 40 5v or 0V pin 40 correct? pins 3,12 and 21? Check the vicinity of IC521.
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 Signal processing section Is the sound output from No sound from either Compare the L-ch and both channels (L, R)? channel. R-ch to locate the defctive point. Normal Is 9V present at IC161 pin Check the viciniyt of the IC901 audio power supply.
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 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 off the power switch and,disconnect the with a alcohol soaked cotton swab. power cord from the ac outlet.
  • Page 28 http://www.xiaoyu163.com 3 7 63 1515 0 16 PIN CORD DIAGRAM Black Green VI/BK Violet GY/BK Blue Gray WH/BK BL/WH OR/WH White Yellow GN/BK Brown Orange VI/BK GY/BK WH/BK L 13942296513 GN/BK MEMORY MEMORY BACKUP DIRECT TO BATTERY +12Volt BL/WH REMOTE OR/WH ACC + 12Volt GROUND...
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 (No.MA040)1-29 http://www.xiaoyu163.com...
  • Page 30 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.MA040) Printed in Japan http://www.xiaoyu163.com...

  • Page 31: Schematic Diagrams

    3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-G302, KD-G301 CD-ROM No.SML200401 Area suffix E ----------- Continental Europe EX --------------- Central Europe KD-G302 L 13942296513 KD-G301 Contents Block diagram Standard schematic diagrams 2-2 to 4 Printed circuit boards...

  • Page 32: Precaution 2

    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 33: Block Diagram

    TRACKING+ CH.L TRACKING- IC571 LO,RO CH.R FOCUS+ CD CHANGER CD L.P.F. FOCUS- CONTROL PICK UP SO,I/O INT,SCK IC801 CH.SCK JVC BUS S601 to S617 KEY0 KEY MATRIX KEY1 IC602 KEY2 REMOCON LCDCL KEY0 LCDDA STEERING STEERING CABLE KEY1 LCDCE KEY2...
  • Page 34 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amplifier section J301 QNN0519-001 Q321 Q331 IC301 Q341 2SD1781K/QR/-X 2SD1781K/QR/-X QAU0313-001 2SD1781K/QR/-X LA47515 Q351 2SD1781K/QR/-X QNB0100-002 R163 C186 1/50 2.2K 1/50 1/50 R162 2SD601A/QR/-X 2SD601A/QR/-X C185 1/50 C163 0.22...
  • Page 35 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 CD servo section 4.7K R563 R564 8.2K R566 R562 R592 R595 FEED- 8.2K C592 FEED- R565 R594 C593 R553 R591 CD.L 2SB1322/RS/-T C561 R593 0.022 47/6.3 120P FEED+ FEED+ 8.2K Q561 4.7/25 C516...
  • Page 36 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 LCD & Key control section IC602 EN601 QSW0863-003 RPM7338-V4 R682 R683 CN601 NNZ0087-001 REMOCON ACC5V LCD1 ILL10V ENC1 ENC2 LCDCE To CN701 LCDDA LCDCL (SHEET 1) KEY2 KEY1 KEY0 1 3 9 4 2 2 9 6 5 1 3 R670 DIM_CON DIMMER...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Forward side IC901 Q341 Q331 Q351 Q321 R323 C910 L901 J801 D901 C915 C913 Q782 CN901 C906 C304 B801 C181 C907 R901 C362 R782 D341 C184 C244 D321 D782 C319 C318 B802...

  • Page 38: Ao Y U163

    http://www.xiaoyu163.com 3 7 63 1515 0 Main board Reverse side D902 D903 R905 R902 CN901 R903 J301 IC901 C908 C902 R352 R907 C333 C909 C891 L901 R171 J801 Q902 C172 C914 C915 C910 R906 C912 D901 C913 C244 C302 C181 C903 C907 C304...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 Front board Reverse side Forward side D607 R635 R634 D603 R661 D604 R660 D605 R611 R601 R602 R610 S616 D606 R636 R637 S617 R632 R648 R633 S608 R649 R643 R645 R642 R644 R671 R672 Q640 R673 R674...
  • Page 40 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.MA040SCH) http://www.xiaoyu163.com...

  • Page 41: Parts List

    3 7 63 1515 0 PARTS LIST [ KD-G301 ] [ KD-G302 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe EX --------------- Central Europe L 13942296513...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assmbly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 43 EJECT COVER GE40220-001A LIGHT SHIELD G301 GE31042-004A DETACH BTN E,G30 G302 GE31042-001A DETACH BTN E,G30 GE31045-001A RIM COVER u163 GE40204-001A JVC BADGE VKW3001-330 COMP.SPRING GE40202-004A COMP.SPRING GE10081-001A REAR COVER VKZ4777-001 MINI SCREW (x4) GE31035-001A LCD CASE GE31036-001A LCD LENS http://www.xiaoyu163.com...
  • Page 44 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 45 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 46: 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] G302  Symbol No. D761 LNJ308G81/1-3/X E,G30 Part No. Part Name Description Local G301 D762 SML-310VT/JK/-X E,G30 IC31 TB2118F-X PLL IC...
  • Page 47 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 C163 NCB31CK-224X C CAPACITOR 0.22uF 16V K C528 NCB31EK-333X C CAPACITOR 0.033uF 25V K C164 NCB31CK-224X C CAPACITOR 0.22uF 16V K C529...
  • Page 48 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 C906 QEKJ1CM-106Z E CAPACITOR 10uF 16V M R247 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J C907 QEKJ1HM-225Z E CAPACITOR 2.2uF 50V M R248...
  • Page 49 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 R708 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J L524 QQL244J-4R7Z INDUCTIOR 4.7uH J R709 NRSA63J-473X MG RESISTOR 47kΩ...
  • 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 G301 D641 UDZS5.1B-X Z DIODE D608 SML-310VT/JK/-X E,G30 D642 MA111-X SI DIODE D643 MA8062/M/-X Z DIODE G302 G301 D608...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local S610 NSW0206-001X TACT SWITCH S611 NSW0206-001X TACT SWITCH S612 NSW0206-001X TACT SWITCH S613 NSW0206-001X TACT SWITCH S614 NSW0206-001X TACT SWITCH S615 NSW0206-001X TACT SWITCH S616 NSW0206-001X TACT SWITCH S617...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A2 A3 A4 A5 A6 A7 A8 L 13942296513 KIT: A9 A10 A11 A12 A13 u163 3-12 http://www.xiaoyu163.com...
  • Page 53 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 GET0187-001A INST SHEET G301 GET0187-002A INST SHEET SPA ITA POL RUS E,G30 G301 SWE DAN FIN GET0187-003A INST SHEET EX,G3...

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Kd-g302

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