1. Manuals
  2. Brands
  3. JVC Manuals
  4. Car Stereo System
  5. KD-SX8350
  6. Service manual

JVC KD-SX8350 Service Manual

Cd receiver
Hide thumbs Also See for KD-SX8350:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Instruction Manual
QQ
3 7 63 1515 0
SERVICE MANUAL
01
2003
49782
TE
L 13942296513
1
Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2
Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
4
Description of major ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
www
.
http://www.xiaoyu163.com
CD RECEIVER
KD-SX8350
ATT
SOUND
U
R
SOURCE
F
D
VOL
VOL
TABLE OF CONTENTS
x
ao
u163
y
i
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.
http://www.xiaoyu163.com
2 9
8
7
8
MO
9
9
10
INT
11
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
RPT
12
RND
0 5
8
2 9
9 4
2 8
Area Suffix
J
Northern America
m
KD-SX8350
9 9
9 9
No.49782
2003/02

Advertisement

Table of Contents
loading

Related Manuals for JVC KD-SX8350

Summary of Contents for JVC KD-SX8350

  • Page 1 KD-SX8350 3 7 63 1515 0 SERVICE MANUAL CD RECEIVER 49782 2003 KD-SX8350 SOUND SOURCE L 13942296513 Area Suffix Northern America TABLE OF CONTENTS Important Safety Precautions ............1-2 Disassembly method .

  • Page 2: Important Safety Precautions

    KD-SX8350 3 7 63 1515 0 SECTION 1 Important Safety Precautions 1.1 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.
  • Page 3 KD-SX8350 3 7 63 1515 0 1.2 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.

  • Page 4: Disassembly Method

    KD-SX8350 3 7 63 1515 0 SECTION 2 Disassembly method 2.1 Main body 2.1.1 Removing the front panel assembly Front panel assembly (See Fig.1.) Release button (1) Push the release button and remove the front panel as- sembly. Fig.1 2.1.2 Removing the bottom cover...
  • Page 5 KD-SX8350 3 7 63 1515 0 2.1.3 Removing the front chassis assembly Joint d Joint e (See fig.3,4) • Prior to performing the following procedure, remove the front panel assembly and the bottom cover. (1) Remove the screws A on the both sides of the body.
  • Page 6 KD-SX8350 3 7 63 1515 0 2.1.6 Removing the main board assembly Main board assembly (See fig.7) • Prior to performing the following procedure, remove the front panel assembly, the front chassis, the heat sink, the rear panel and the bottom cover.
  • Page 7 KD-SX8350 3 7 63 1515 0 2.1.8 Remove the LCD key operation board (See fig.9~11) • Prior to performing the following procedure, remove the front panel assembly. (1) Remove the four screws J on the back of the front panel as- sembly.
  • Page 8 KD-SX8350 3 7 63 1515 0 2.2 CD Mechanism Assembly 2.2.1 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 9 KD-SX8350 3 7 63 1515 0 2.2.2 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.
  • Page 10 KD-SX8350 3 7 63 1515 0 2.2.3 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.
  • Page 11 KD-SX8350 3 7 63 1515 0 2.2.4 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 12 KD-SX8350 3 7 63 1515 0 2.2.5 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 13 KD-SX8350 3 7 63 1515 0 2.2.6 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 as- sembly in the direction of the arrow to remove it from the chassis rivet assembly.
  • Page 14 KD-SX8350 3 7 63 1515 0 2.2.7 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 15 KD-SX8350 3 7 63 1515 0 2.2.9 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 16 KD-SX8350 3 7 63 1515 0 2.2.11 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 17 KD-SX8350 3 7 63 1515 0 2.2.12 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...
  • Page 18 KD-SX8350 3 7 63 1515 0 2.2.13 Removing the select arm R / link plate Joint c' Link plate Joint r (See Figs.27 and 28) Select arm R Joint b' • Prior to performing the following procedure, remove the top plate assembly.
  • Page 19 KD-SX8350 3 7 63 1515 0 2.2.15 Removing the loading roller assembly Loading roller assembly (See Figs.31 to 33) • Prior to performing the following procedure, remove the Roller guide 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 20 KD-SX8350 3 7 63 1515 0 2.2.16 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.

  • Page 21: Pull Out The Loading Gear

    KD-SX8350 3 7 63 1515 0 2.2.17 Removing the gears 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.

  • Page 22: Http://Www.xiaoyu163.Com

    KD-SX8350 3 7 63 1515 0 2.2.18 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 23: Adjustment

    FM 87.5MHz ~ 107.9MHz 6. Digital tester AM 530kHz ~ 1710kHz 7. Tracking offset meter 8. Test Disc JVC : CTS-1000 9. Extension cable for check EXTSH002-22P × 1 Dummy load Exclusive dummy load should be used for AM, and FM. For FM dummy load, there is a loss of 6dB between SSG output and antenna input.
  • Page 24 KD-SX8350 3 7 63 1515 0 3.2 Troubleshooting 3.2.1 Feed section Is the voltage output at Is the wiring for IC521 Is 5V present at IC581 Check CD 9V IC521 pin u 5V or 0V? (90) ~ (100) correct? pin 6? and 5V.
  • Page 25 KD-SX8350 3 7 63 1515 0 3.2.5 Signal processing section No sound from either Compare the L-ch and R-ch Is the sound output from channel. to locate the defective point. both channels (L, R)? Check the vicinity of the...
  • Page 26 KD-SX8350 3 7 63 1515 0 3.3 Maintenance of laser pickup 3.4 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 power cord with a alcohol soaked cotton swab.

  • Page 27: Description Of Major Ics

    KD-SX8350 3 7 63 1515 0 SECTION 4 Description of major ICs 4.1 BA3220FV-X (IC441) : Line out amp • Pin layout 3220 • Block diagram OUTL OUTR RGND LGND L 13942296513 REFR REFL FILTER u163 (No.49782)1-27 http://www.xiaoyu163.com...
  • Page 28 KD-SX8350 3 7 63 1515 0 4.2 HA13164A (IC961) : Regulator • Pin layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 • Block diagram 100u 0.1u BATT.DET OUT ANT OUT Surge Protector 0.1u...
  • Page 29 KD-SX8350 3 7 63 1515 0 4.3 HD74HC126FP-X (IC771) : Buffer • Pin layout • Pin function Input Output Note: H:High level L:Low level X:Irrelevant Z:Off(High-impedance) State a 3-state input • Block diagram Output Input L 13942296513 Output Sample as Load Circuit 1...
  • Page 30 KD-SX8350 3 7 63 1515 0 4.5 LA47505 (IC351) : Power amp. • Pin layout & Block daiagram Protective circuit Stand by Switch L 13942296513 Ripple Mute Filter circuit protective circuit Muting & On Time Control Circuit u163 1-30 (No.49782)
  • Page 31 KD-SX8350 3 7 63 1515 0 • Pin layout • Pin function Pin No. Symbol Function AC CONT1 Header of IC GND1 Power GND OUTFR- Outpur(-) for front Rch STBY Stand by input OUTFR+ Output (+) for front Rch...
  • Page 32 KD-SX8350 3 7 63 1515 0 4.6 LA6579H-X (IC561) : 4-Channel bridge driver • Pin layout & Block diagram VIN1-A VIN1 VIN1_SW [H]: OP-AMP_A [L]: OP-AMP_B VIN1+A VIN1-B VCCP1 VIN1+B Signal system S-GND power supply VIN1-SW All outputs ON/OFF...
  • Page 33 KD-SX8350 3 7 63 1515 0 • Pin function Pin No. Symbol Function VIN1-A CH1 input AMP_inverted input VIN1+A CH1 input AMP_non-inverted input VCCP1 CH1 and CH2 power stage power supply VO1+ Output pin(+)for channel 1 VO1- CH1 output pin (-) for channel 1...
  • Page 34 KD-SX8350 3 7 63 1515 0 4.7 LC75873NW(IC601):LCD Driver • Pin layout • Block diagram VDD1 COMON SEGMENT DRIVER DRIVER VDD2 CLOCK SHIFT REGISTOR GENERATOR ADDRESS DETECTOR • Pin function Pin No. Pin name Description 79,80 S1/P1 to S4/P4 Segment outouts for displaying the display data transferred by serial data input.
  • Page 35 KD-SX8350 3 7 63 1515 0 4.8 NJM4565M-WE (IC571) : CD L.P.F. A OUTPUT B OUTPUT A INPUT A INPUT B INPUT B INPUT 4.9 RPM6938-SV4 (IC602) : Remote sensor • Pin diagram • Block diagram L 13942296513 Comp...
  • Page 36 KD-SX8350 3 7 63 1515 0 4.10 TA2157FN-X(IC501):RF amp • Pin layout • Block diagram PEAK 50 A BOTTOM PEAK L 13942296513 1.75k 240k 15pF x0.5 240k 15pF x0.5 180k 40pF RFGC (APC SW) (TE BAL) (AGC Gian) (TE BAL)
  • Page 37 KD-SX8350 3 7 63 1515 0 • Pin function Pin No. Symbol Function 3.3V power supply pin Main-beam amp input pin Main-beam amp input pin Sub-beam amp input pin Sub-beam amp input pin Monitor photo diode amp input pin...
  • Page 38 KD-SX8350 3 7 63 1515 0 4.11 TC94A14FA (IC521) : DSP & DAC • Pin layout & Block daiagram Clock generator 1-bit Servo control Digital equalizer Address automatic circuit adjustment circuit Data CLV servo slicer 16 k Synchronous guarantee...
  • Page 39 KD-SX8350 3 7 63 1515 0 Pin No Symbol Descroption EFM and PLCK phase difference signal output pin. TMAX TMAX detection result output pin. TMAX Detection Result TMAX Output Longer than fixed period "PV " Within fixed period "HiZ"...
  • Page 40 KD-SX8350 3 7 63 1515 0 4.12 UPD784215AGC149 (IC701) : CPU • Pin layout • Pin function Pin No. Symbol Function Non connected Non connected Detection switch of CD mechanism CD mecha position setting SW Loading motor control signal output...
  • Page 41 KD-SX8350 3 7 63 1515 0 OPEN CD tray open control signal output Non connected Non connected Non connected Non connected SD/ST Station detector and stereo signal input. It is H and there is a bureau.It is L and a stereo.
  • Page 42 KD-SX8350 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.49782) Printed in Japan 200302WPC http://www.xiaoyu163.com...
  • Page 43 KD-SX8350 3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-SX8350 CD-ROM No.SML200302 SOUND SOURCE L 13942296513 Area Suffix Northern America Contents Block diagram Standard schematic diagrams Printed circuit boards 2-8~10 u163 No.49782SCH COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.

  • Page 44: 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 45 KD-SX8350 3 7 63 1515 0 L 13942296513 CN701 CN601 CN501 u163 http://www.xiaoyu163.com...
  • Page 46 KD-SX8350 Standard schematic diagrams 3 7 63 1515 0 Main section QAU0291-001 4.7u R201 2.7K C203 1/50 R101 2.7K C103 1/50 1/50 C311 R301 220K D301 1SS355-X UN2211-X AUX.L C302 0.001 10/16 A.GND C303 22/6.3 CH.L C301 QAX0616-001Z 4.7/25...
  • Page 47 KD-SX8350 3 7 63 1515 0 D951 R952 C952 0.047 1SS133-T1 C951 1/50 IC351 LA47505 C351 2.2/50 R351 R352 R324 C352 R323 2.2/50 BA3220FV-X IC341 C341 100/10 C346 C311 10/16 2.2/50 2.2/50 C331 R342 C342 4.7/25 C345 47/16 C347...
  • Page 48 KD-SX8350 3 7 63 1515 0 CD servo control section R564 R562 FEED- 8.2K FEED+ FEED- FEED- R563 4.7K FEED+ FEED+ R566 8.2K Q561 2SB1322/RS/-T SPINDLE- SPINDLE+ B562 R519 D561 SPINDLE- D564 SPINDLE- 1A3G-T1 1A3G-T1 SPINDLE+ SPINDLE+ FOCUS- FOCUS-...
  • Page 49 KD-SX8350 3 7 63 1515 0 R592 R595 C592 R594 C593 R591 CD.L R593 120p 4.7/25 C594 B562 C584 D561 D564 1A3G-T1 1A3G-T1 C582 C583 R584 R581 R583 R585 4.7/25 120p CD.R R582 C563 100/10 C538 0.047 C537 0.047...
  • Page 50 KD-SX8350 3 7 63 1515 0 LCD & Key control section LCD1 LCD1 QLD0215-001 EN601 QSW0976-001 L 13942296513 C608 C609 0.01 0.01 R604 R603 R602 R601 1.8K 1.2K S605 S604 S603 S602 S601 R644 R610 R609 R608 R607 R606 R605 3.9K...
  • Page 51 KD-SX8350 3 7 63 1515 0 IC602 RPM6938-SV4 ACC5V CN601 R660 QNZ0006-001 R661 EN601 ENC1 QSW0976-001 ENC2 LCDCE R662 3.3K 3.3K L 13942296513 LCDDA R663 ENC2 R653 R654 LCDCL R664 3.3K ENC1 KEY2 R652 KEY1 KEY0 AUX.L R651 A.GND AUX.R...
  • Page 52 KD-SX8350 3 7 63 1515 0 Printed circuit boards Main board (forward side) IC961 C964 C914 C965 J931 C963 C960 C966 C969 CN901 J771 D991 R968 R971 B962 C968 C967 D992 D965 D960 C962 C365 C359 R473 R373 R474...
  • Page 53 KD-SX8350 3 7 63 1515 0 Main board (reverse side) D962 D963 C964 C371 C960 R966 C372 C914 D961 C965 D960 IC961 R372 C963 C772 CN901 J771 Q963 D964 B354 R961 C967 Q964 C359 C356 C969 C962 R266 C961...
  • Page 54 KD-SX8350 3 7 63 1515 0 Front board (forward side) LCD1 S614 IC602 D620 D602 D603 D605 R614 S605 R604 D604 D601 D619 R603 S604 R602 S615 S613 D606 D610 D617 D616 D611 D612 D613 S603 D609 S608 S610...
  • Page 55 KD-SX8350 3 7 63 1515 0 < M E M O > L 13942296513 u163 2-11 http://www.xiaoyu163.com...
  • Page 56 KD-SX8350 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.49782SCH) 2003/02 http://www.xiaoyu163.com...

  • Page 57: Parts List

    KD-SX8350 3 7 63 1515 0 PARTS LIST [ KD-SX8350] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J -------------- Northern America L 13942296513 - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 CD mechanism assembly and parts list (Block No.MB)
  • Page 58 KD-SX8350 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 59 KD-SX8350 3 7 63 1515 0 Parts list (Genereal assembly) Block No. M1MM Item Description Parts number Parts name Q'ty Area CD MECHA --------------------- GE10043-205A TOP CHASSIS GE30568-006A HEAT SINK GE30393-002A BOTTOM COVER FSMA3005-001 INSULATOR QYSDST2604Z SCREW 3 CHASSIS+CD MECH...
  • Page 60 KD-SX8350 3 7 63 1515 0 Parts list (Genereal assembly) Block No. M1MM Item Description Parts number Parts name Q'ty Area VKW3001-330 COMP.SPRING 1 FOR DETACH BUTT GE10042-004A REAR COVER FSYH4036-078 INSULATOR SHEET 1 REAR COVER VKZ4777-001 MINI SCREW...
  • Page 61 KD-SX8350 3 7 63 1515 0 CD mechanism assembly and parts list Block No. Grease TNG-87 TN-2001-1011 GP-501MK CFD-005Z GP-501A L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 62: Loading Gear

    KD-SX8350 3 7 63 1515 0 Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area FRAME 30320101T 30320102T TOP COVER 30320115T DANPER F 30320116T DANPER R 303205505T CHASSIS RIVET 303205503T CHANGE P. RVT A...

  • Page 63: Loading Gear

    KD-SX8350 3 7 63 1515 0 Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area 30321103T LOADING GEAR 3 30321104T LOADING GEAR 4 30321105T LOADING GEAR 5 30321106T LOADING GEAR 6 LOADING GEAR 7...
  • Page 64 KD-SX8350 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area B 705 NCS31HJ-101X C CAPACITOR C 341 QERF1AM-107Z E CAPACITOR 100MF 20% 10V...
  • Page 65 KD-SX8350 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 528 NCB31EK-333X C CAPACITOR C 772 NCB31HK-103X C CAPACITOR C 529...
  • Page 66 KD-SX8350 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area D 711 SLR-56MC3F L.E.D. R 256 NRSA63J-104X MG RESISTOR D 714 UDZS5.1B-X...
  • Page 67 KD-SX8350 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 356 NRSA02J-103X MG RESISTOR R 561 NRSA63J-333X MG RESISTOR R 357...
  • Page 68 KD-SX8350 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R 743 NRSA63J-473X MG RESISTOR R 744 NRSA63J-0R0X MG RESISTOR R 745 NRSA63J-0R0X MG RESISTOR R 746 NRSA63J-103X...
  • Page 69 KD-SX8350 3 7 63 1515 0 Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 601 NBE20JM-475X TS E CAPACITOR R 625 NRSA02J-122X MG RESISTOR...
  • Page 70 KD-SX8350 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1~A8 L 13942296513 KIT:A9~A13 u163 3-14 http://www.xiaoyu163.com...
  • Page 71 1 FOR J LVT0717-001B TROUBLE SHEET(C BT-52006-2 WARRANTY CARD 1 FOR C BT-51028-2 J=REGIST CARD 1 FOR J BT-20071B JVC CENTER LIST 1 FOR C VKZ4027-202 PLUG NUT MOUNT BOLT A 10 VKH4871-001SS A 11 VKZ4328-001 LOCK NUT L 13942296513...

Table of Contents