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JVC KD-G414 Service Manual

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SERVICE MANUAL
2
2005
MA178
KD-G414,KD-G413
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
CD RECEIVER
KD-G414
CONTROL PANEL
SILVER

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
KD-G413
BLACK
Area suffix
UI --------------------------- India
No.MA178
2005/2

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  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA178 2005 KD-G414,KD-G413 Area suffix UI --------------------------- India KD-G414 KD-G413 CONTROL PANEL SILVER BLACK TABLE OF CONTENTS PRECAUTIONS ............... 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: 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 MODELSE 2.1.1 NAME PLATE Discernment sign Discernment sign 1-6 (No.MA178)

  • 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 panel assembly and remove the front panel assembly. Front panel assembly Detach button Fig.1 3.1.2 Removing the bottom cover (See Fig.2)
  • Page 8 3.1.4 Removing the side panel (See Fig.4) Reference: Remove the front panel assembly as required. (1) Remove the screw B and two screws C attaching the side panel on the left side of the main body. (2) Remove the side panel from the main body. Side panel Fig.4 3.1.5 Removing the rear bracket...
  • Page 9 3.1.7 Removing the CD mechanism assembly (See Fig.7) • Remove the front panel assembly, bottom cover, side panel, rear bracket and main board. Reference: Remove the front chassis assembly as required. (1) Remove the three screws H attaching the CD mechanism assembly on the top chassis.
  • Page 10 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 11 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 12 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 13 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 14 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 15 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 16 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 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24 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 25: 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 26: Troubleshooting

    SECTION 5 TROUBLESHOOTING KD-G414 and KD-G413 UI2 version model 5.1.1 Feed section Is 5v or 0V at IC521 Is the wiring for IC521 Is 5V present at IC501 Check CD8V. pin 7? pin 7 correct? pin 7? Check the vicinity of IC521.
  • Page 27 5.1.5 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 31? pin 13? peripheral circuits.
  • Page 28 KD-G414 and KD-G413 UI3 version model 5.2.1 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...
  • Page 29 5.2.5 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 31? pin 13? 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 Violet BL/WH Blue Gray WH White Yellow WH/BK GN/BK VI/BK GY/BK 16 YL MEMORY 8 BK 7 RD 3 GN 11 GN/BK 2 VI 10 VI/BK 4 WH 12 WH/BK 1 GY 9 GY/BK 5 BL/WH REMOTE 6 BL...
  • Page 32 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA178) Printed in Japan...
  • Page 33 SCHEMATIC DIAGRAMS CD RECEIVER KD-G414, KD-G413 CD-ROM No.SML200502 Area suffix UI --------------------------- India KD-G414 KD-G413 CONTROL PANEL SILVER BLACK Contents Block diagram (For UI2 version) Standard schematic diagrams (For UI2 version) Printed circuit boards (For UI2 version) Block diagram (For UI3 version)

  • Page 34: 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 35: Block Diagram (For Ui2 Version)

    Block diagram (For UI2 version) TU.L TU.R FM/AM TUNER Main amplifier & CD servo control section FM/AM VF1, VF2, VT1 IFC.CONT VT2, LD, MD,VREF PICK UP SD/ST LM,MSW MONO SEEK/STOP TRACKING+, TRVP Q781, Q782 S.METER TRACKING- SPOUT MLD,MDATA J321 Q341, Q351 RRO,LRO MUTING FOCUS+,...

  • Page 36: Standard Schematic Diagrams (For Ui2 Version)

    Standard schematic diagrams (For UI2 version) Main amplifier section R331 R332 QAU0394-001 D331 R335 C331 Q331 100P 2.2K MA111-X KTD1304-X QNB0190-001 D321 R325 Q321 C321 KTD1304-X 100P 2.2K MA111-X R321 R322 4.7u R351 2.7k R352 2.7k D351 R355 C351 Q351 100P 2.2K J321...
  • Page 37 CD servo control section D501 1A3G-T1 Q501 B506 2SB1322/RS/-T C586 C510 R505 4.7/25 0.047 C503 R582 R584 R588 R590 100/10 R520 1.5k C588 R586 100p C504 C509 0.047 C518 R501 8.2k IC501 AN41012A-W R585 C587 C585 4.7/25 R581 R583 100p R589 R587 1.5k...
  • Page 38 LCD & Key control section IC602 RPM7338-V4 CJ601 QGZ1601K1-15S LCD1 ILL_10V QLD0355-001 REMOCON DIMMER LCD.SCK LCD.SO LCD.CE KEY0 KEY1 KEY2 R604 R603 R602 R601 R671 KEY0 1.8k 1.2k COM1 IC601 COM2 PT6523LQ-L COM3 S605 S604 S603 S602 S601 R653 Q671 2SB624/4/-X R610 R609...

  • Page 39: Printed Circuit Boards (For Ui2 Version)

    Printed circuit boards (For UI2 version) Main board Forward side Reverse side D905 CN901 C913 C901 IC901 J321 C321 C341 C901 C320 R322 R342 L901 C919 CN901 J801 R903 R902 C906 R901 Q782 C904 D901 C182 R182 D901 B351 C181 B533 C317 C916...

  • Page 40: Block Diagram (For Ui3 Version)

    Block diagram (For UI3 version) TU.L TU.R FM/AM TUNER Main amplifier & CD servo control section FMVT VF1, VF2, VT1 AMVT VT2, LD, MD PICK UP FM/AM LM0, LM1 Q781, Q782 TRACKING+, BUS0 to 3 Q341, Q351 MUTE TRACKING- BUCK J321 REARL, REARR LINE OUT...

  • Page 41: Standard Schematic Diagrams (For Ui3 Version)

    Standard schematic diagrams (For UI3 version) Main amplifier section D243 RB160M-30-X R248 R244 C243 R243 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47516 Q241 2SD601A/QR/-X QAU0223-001 LEVEL QNB0100-002 R161 D240 C312 0.47 4.7u 220k MA111-X R312 OUTLF OUTLR 3.3k 1/50...
  • Page 42 CD servo control section C513 0.01 R518 8.2k R586 6.8k FEED- FEED- R506 R581 8.2k R585 CD.R 8.2K C582 R584 270P FEED+ FEED+ C581 3300P C580 4.7/25 AOUTR- R582 8.2k C589 4.7/25 AOUTR+ R583 8.2k IC581 NJM4565M-WE R593 8.2k R539 R592 8.2k C599...
  • Page 43 LCD & Key control section IC602 RPM7338-V4 CJ601 QGZ1601K1-15S LCD1 ILL_10V DIMMER LCD.SCK LCD.SO LCD.CE KEY0 KEY1 KEY2 R604 R603 R602 R601 R671 KEY0 1.8k 1.2k COM1 IC601 COM2 PT6523LQ-L COM3 S605 S604 S603 S602 S601 R653 Q671 2SB624/4/-X R610 R609 R608 R607...

  • Page 44: Printed Circuit Boards (For Ui3 Version)

    Printed circuit boards (For UI3 version) Main board Forward side Reverse side J321 J801 IC901 IC901 C906 J321 C341 C915 C901 L901 C321 L901 Q902 C173 CN901 C919 D971 R971 D901 R911 R910 C911 CN901 D972 R972 C905 C912 D901 R904 C891 B352...
  • Page 45 < M E M O >...
  • Page 46 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.MA178SCH)

  • Page 47: Kd-G414, Kd-G413

    PARTS LIST [ KD-G414 ] [ KD-G413 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UI ---------------------------- India - Contents - Exploded view of general assembly and parts list (Block No.M1) CD mechanism assembly and parts list (Block No.MB)
  • Page 48 Exploded view of general assembly and parts list Block No. Switch board...
  • Page 49 Main board...
  • Page 50 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local GE10104-001A TOP CHASSIS GE40135-001A EARTH PLATE GE30938-003A SIDE PANEL QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-001A SCREW (x2) QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-004A SCREW (x2) QYSDST2610ZA TAP SCREW...
  • Page 51 CD mechanism assembly and parts list Block No. Grease TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-305T The parts without symbol number are not service.
  • Page 52 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 53: Electrical Parts List

    Electrical parts list Main board (UI2)  Symbol No. Part No. Part Name Description Local Block No. [0][1] NCB31HK-562X C CAPACITOR 5600pF 50V K  Symbol No. Part No. Part Name Description Local QEKJ1HM-105Z E CAPACITOR 1uF 50V M NCB31EK-153X C CAPACITOR 0.015uF 25V K NCB31HK-562X...
  • Page 54  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C534 NCB31EK-332X C CAPACITOR 3300pF 25V K NRSA02J-220X MG RESISTOR 22Ω 1/10W J C535 NCB31EK-104X C CAPACITOR 0.1uF 25V K NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 55  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R541 NRSA63J-333X MG RESISTOR 33kΩ 1/16W J R901 NRSA63J-912X MG RESISTOR 9.1kΩ 1/16W J R542 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R902 QRE142J-102X C RESISTOR 1kΩ...
  • Page 56  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R606 NRSA63J-821X MG RESISTOR 820Ω 1/16W J 2SD601A/QR/-X TRANSISTOR R607 NRSA63J-122X MG RESISTOR 1.2kΩ 1/16W J 2SB709A/R/-X TRANSISTOR R608 NRSA63J-182X MG RESISTOR 1.8kΩ...
  • Page 57  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NCB31EK-473X C CAPACITOR 0.047uF 25V K C463 QEKJ0JM-107Z E CAPACITOR 100uF 6.3V M NCB31HK-102X C CAPACITOR 1000pF 50V K C464 NCB31EK-104X C CAPACITOR 0.1uF 25V K NDC31HJ-101X C CAPACITOR...
  • Page 58  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C706 NCB31EK-473X C CAPACITOR 0.047uF 25V K R172 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J C707 NCB31EK-104X C CAPACITOR 0.1uF 25V K R173 NRSA63J-222X MG RESISTOR 2.2kΩ...
  • Page 59  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R541 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J R758 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R542 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R759 NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 60  Symbol No. Part No. Part Name Description Local D643 MA111-X SI DIODE D644 MA8062/M/-X Z DIODE C601 NCB31HK-223X C CAPACITOR 0.022uF 50V K C602 NCS31HJ-681X C CAPACITOR 680pF 50V J C603 NBE20JM-106X TA E CAPACITOR 10uF 6.3V M C612 NBE20JM-475X TA E CAPACITOR 4.7uF 6.3V M...
  • Page 61 XXXXX <MEMO> 3-15...
  • Page 62 Packing materials and accessories parts list Block No. A1 A4 A5 A6 A7 KIT: A8 A9 3-16...
  • Page 63 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GET0303-001A INST BOOK GE20137-003A MOUNTING SLEEVE GE20135-003A TRIM PLATE G413UI2,G413UI3 GE20135-001A TRIM PLATE G414UI2,G414UI3 GET0303-002A INSTALL MANUAL VKZ4027-202 PLUG NUT VKH4871-003 MOUNT BOLT VKZ4328-003 LOCK NUT QYWWS53A008ZA WASHER 0mm/5.3mm x...

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