JVC KD-G417 Service Manual
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JVC KD-G417 Service Manual

Cd receiver
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SERVICE MANUAL
7
2005
MA202
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
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-G417
TABLE OF CONTENTS
COPYRIGHT © 2005 Victor Company of Japan, Limited
Area suffix
EE -------- Russian Federation
No.MA202
2005/7
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Summary of Contents for JVC KD-G417

  • Page 1 SERVICE MANUAL CD RECEIVER MA202 2005 KD-G417 Area suffix EE -------- Russian Federation Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) 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 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 4 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 5 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 6 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 7 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 8 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 9 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 10 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 11 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 12 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 13 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 14 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 15 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 16 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 17 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 18 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 19 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 20 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 21 (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 22 SECTION 5 TROUBLESHOOTING Feed section Is the voltage out put at Is the wiring for IC541 Is 5V present at IC501 Check CD8V. IC541 pin 40, 5V or 0V? pin 40 correct? pins 3,12 and 21? Check the vicinity of IC541.
  • Page 23 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. Check the vicinity of the Normal Is 9V present at IC161 IC901 audio power pin 32? supply.
  • Page 24 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. (2) Life of the laser diode When the life of the laser diode has expired, the following symptoms will appear.
  • Page 25 16 PIN CORD DIAGRAM Black Green VI/BK Violet GY/BK Blue Gray WH/BK BL/WH White Yellow GN/BK VI/BK GY/BK WH/BK GN/BK MEMORY MEMORY BACKUP DIRECT TO BATTERY +12Volt BL/WH REMOTE ACC + 12Volt GROUND Rear Right Auto Antenna Front Right ACC Line Front Left Telephone Muting Rear Left...
  • Page 26 PARTS LIST [ KD-G417 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix EE -------- Russian Federation - Contents - Exploded view of general assembly and parts list (Block No.M1) CD mechanism assembly and parts list (Block No.MB) Electrical parts list (Block No.01~02)
  • Page 27 Exploded view of general assembly and parts list Block No. Switch board...
  • Page 28 Main board...
  • Page 29 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 30 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 31 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 32 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] D892 MA111-X SI DIODE  Symbol No. Part No. Part Name Description Local D901 1N5401-F64 DIODE D902 MA111-X SI DIODE D971 RB160M-30-X SB DIODE IC31 TB2118F-X PLL IC...
  • Page 33  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C188 QEKJ1CM-476Z E CAPACITOR 47uF 16V M C533 NCB31HK-103X C CAPACITOR 0.01uF 50V K C189 NCB31EK-103X C CAPACITOR 0.01uF 25V K C534 NDC31HJ-5R0X C CAPACITOR 5pF 50V J...
  • Page 34  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C910 QEKJ1CM-106Z E CAPACITOR 10uF 16V M R198 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J C911 NCB31CK-104X C CAPACITOR 0.1uF 16V K R201 NCB31CK-105X C CAPACITOR 1uF 16V K...
  • Page 35  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R542 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R772 NRSA63J-271X MG RESISTOR 270Ω 1/16W J R543 NRSA63J-474X MG RESISTOR 470kΩ 1/16W J R780 NRSA63J-333X MG RESISTOR 33kΩ...
  • Page 36  Symbol No. Part No. Part Name Description Local D641 MA8051/M/-X Z DIODE 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 C611 NCB31HK-123X...
  • Page 37 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A1,A2,A3,A4 KIT:A7,A8,A9, A10,A11 3-12...
  • Page 38 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GET0261-001B INST BOOK ENG RUS GET0261-002B INSTALL MANUAL ------------ WARRANTY CARD BT-54026-1 VND3046-001 SERIAL TICKET GE20137-003A MOUNTING SLEEVE GE20135-001A TRIM PLATE VKZ4027-202 PLUG NUT VKH4871-003 MOUNT BOLT VKZ4328-003 LOCK NUT...
  • Page 39 SCHEMATIC DIAGRAMS CD RECEIVER KD-G417 CD-ROM No.SML200507 Area suffix EE -------- Russian Federation Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5 to 7 No.MA202SCH...
  • Page 40 Block diagram FM ANT L-CH IC171 AM ANT R-CH FM/AM OP AMP TUNER TU.L-1 Main amplifier & CD servo control section FM VT VF1, VF2, VT1 TU.R-1 AM VT VT2, LD, MD PICK UP FM/AM LM0, LM1,RST Q781, Q782 TRACKING+ BUS0 to 3 Q341, Q351 MUTE...
  • Page 41 Standard schematic diagrams D243 R248 R244 C243 R243 Main section 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47516 Q241 QAU0314-001 2SD601A/R/-X R161 D240 220k MA111-X R793 C312 4.7u 0.47 R312 MA111-X 220k C162 R171 1/50 D241 R311 C311 C172 R186...
  • Page 42 CD section R504 R502 8.2k C508 R586 6.8k R503 4.7k 0.01 R581 8.2k R585 CD.R C582 47/10 R517 C511 R584 270P R506 8.2k C501 C581 Q501 8.2k 3300P C580 4.7/25 AOUTR- R582 8.2k C589 4.7/25 AOUTR+ R583 8.2k IC581 NJM4565M-WE R593 8.2k R592...
  • Page 43 Switch section IC602 RPM7338-V4 C611 0.012 C612 R662 4.7/6.3 D644 MA8062/M/-X CJ601 QGZ1601K1-15S R661 LCD1 ILL_10V ACC5V QLD0351-001 REMOCON DIMOUT LCDCL LCDDA LCDCE KEY0 KEY1 KEY2 R604 R603 R602 R601 R671 KEY0 1.8K 1.2K COM1 IC601 COM2 PT6523LQ-L COM3 S605 S604 S603 S602...
  • Page 44 Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Forward side IC901 J321 C914 D341 C910 Q341 R331 R892 R891 L901 D901 C913 J801 D891 D781 D892 C904 C891 CN901 C173 Q891...
  • Page 45 Reverse side CN901 C910 D971 J801 D972 J321 IC901 C906 R971 C321 C914 C903 L901 C802 R972 C905 C913 D901 C904 C163 D973 C173 C915 C902 C318 C319 D974 R904 C712 R901 C308 C919 D902 C907 C974 R973 C972 D784 C315 R882 C912...
  • Page 46 Switch board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Forward side D613 S603 S612 S615 D601 D616 LCD1 D602 D615 D631 S604 S616 R603 D603 D614 R602 R613 R601 R614 S614 D632 IC602 S602 R612...