JVC KD-LH3101 User Manual

SERVICE MANUAL
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
No.49843
2003/5
CD RECEIVER
4984320036
KD-LH3101
TABLE OF CONTENTS
1 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3 Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
4 Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29
KD - L H 3101
Area Suffix
E ---------- Continental Europe
EX -------------- Central Europe
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

JVC KD-LH3101 Specifications

General

Brand	JVC
Model	KD-LH3101
Category	Car Receiver
Language	English

Summary

SPECIFICATION

AUDIO AMPLIFIER SECTION

Technical specifications for the audio amplifier components.

TUNER SECTION

Technical specifications for the tuner components.

CD PLAYER SECTION

Technical specifications for the CD player components.

GENERAL

General technical specifications like power, dimensions, and mass.

SECTION 1 Precautions

1.1 Safety Precautions

Warnings about chassis burrs and direct beam observation.

1.2 Preventing static electricity

1.2.1 Grounding to prevent damage by static electricity

Procedures for grounding to protect against static discharge.

1.3 Handling the traverse unit (optical pickup)

1.4 Attention when traverse unit is decomposed

SECTION 2 Disassembly method

2.1 Main body

Steps for disassembling the main unit of the CD receiver.

2.1.1 Removing the front panel assembly

Procedure to detach the front panel assembly from the main unit.

2.1.2 Removing the bottom cover

Procedure to remove the bottom cover of the main unit.

2.1.3 Removing the front chassis assembly

Procedure to detach the front chassis assembly.

2.1.4 Removing the heat sink

Procedure to remove the heat sink from the main body.

2.1.5 Removing the rear bracket

Procedure to remove the rear bracket from the main body.

2.1.6 Removing the main board

Procedure to remove the main printed circuit board.

2.1.7 Removing the mecha control board

Procedure to detach the mecha control board.

2.1.8 Removing the CD mechanism assembly

Procedure to remove the CD mechanism assembly.

2.1.9 Removing the front board

Procedure to remove the front board from the front panel assembly.

2.2 CD Mechanism section

2.2.1 Removing the top cover

Procedure to remove the top cover of the CD mechanism.

2.2.2 Removing the connector board

Procedure to detach the connector board from the CD mechanism.

2.2.3 Removing the DET switch

Procedure to remove the DET switch.

2.2.4 Removing the chassis unit

Procedure to remove the chassis unit from the CD mechanism.

2.2.5 Removing the clamper assembly

Procedure to remove the clamper assembly.

2.2.6 Removing the loading / feed motor assembly

Procedure to detach the loading/feed motor assembly.

2.2.7 Removing the pickup unit

Procedure to remove the pickup unit from the CD mechanism.

2.2.8 Reattaching the pickup unit

Procedure for reattaching the pickup unit.

2.2.9 Removing the trigger arm

Procedure to remove the trigger arm.

2.2.10 Removing the top plate assembly

Procedure to detach the top plate assembly.

2.2.11 Removing the mode sw. / select lock arm

Procedure to remove the mode switch and select lock arm.

2.2.12 Reassembling the mode sw. / select lock arm

Procedure for reassembling the mode switch and select lock arm.

2.2.13 Removing the select arm R / link plate

Procedure to detach the select arm R and link plate.

2.2.14 Reattaching the Select arm R / link plate

Procedure for reattaching the select arm R and link plate.

2.2.15 Removing the loading roller assembly

Procedure to detach the loading roller assembly.

2.2.16 Removing the loading gear 5, 6 and 7

Procedure to remove loading gears 5, 6, and 7.

2.2.17 Removing the gears

Detailed procedure for removing various gears from the CD mechanism.

2.2.18 Removing the turn table / spindle motor

Procedure to detach the turntable and spindle motor assembly.

SECTION 3 Adjustment

3.1 Adjustment method

Steps and required tools for adjusting the device.

3.2 Troubleshooting

Diagnostic guide for common operational issues.

3.3 Flow of functional operation unit TOC read

Diagram illustrating the operational flow for TOC reading.

3.4 Maintenance of laser pickup

Steps for cleaning and maintaining the laser pickup.

3.5 Replacement of laser pickup

Step-by-step guide for replacing the laser pickup.

SECTION 4 Description of major ICs

4.1 BA530FP-X (IC681): Power driver

Pin layout and block diagram for the BA530FP-X power driver IC.

Pin function

Detailed description of each pin's function for the IC.

4.2 BD4824FVE-W (IC803): Voltage detector

Pin layout, block diagram, and pin functions of the voltage detector IC.

4.3 BR24C01AFV-W-X (IC201): EEPROM

Pin layout, block diagram, and pin functions of the EEPROM IC.

4.4 BR24L32F-W-X (IC703) : EEPROM

Pin layout, block diagram, and pin functions of the EEPROM IC.

4.5 BU4066BCFV-X (IC131): Quad analog switch

Pin layout and block diagram for the quad analog switch IC.

4.6 HA13164A (IC901): Regulator

Pin layout and block diagram for the HA13164A regulator IC.

4.7 HD74HC126FP-X (IC781): Buffer

Pin layout, pin function table, and block diagram for the buffer IC.

4.8 HD74HCT126T-X (IC503): Buffer

Pin layout, pin function table, and block diagram for the buffer IC.

4.9 IC-PST3424U-X (IC803): Reset

Pin layout and block diagram for the IC-PST3424U-X reset IC.

4.10 IC-PST9333U-X (IC702) : Regulator

Pin layout and block diagram for the IC-PST9333U-X regulator IC.

4.11 M62449FP-X (IC912): Equalizer

Pin layout and block diagram for the M62449FP-X equalizer IC.

4.12 LA47505 (IC301): Power amp.

Block diagram for the LA47505 power amplifier IC.

Pin function

Pin function details for the LA47505 power amplifier IC.

4.13 LH28F160BJHET92 (IC803) : 16M flash memory

Pin layout and block diagram for the 16M flash memory IC.

Pin function

Pin function details for the LH28F160BJHET92 flash memory IC.

4.14 MN102H60KCG (IC801): LCD display sub CPU

Pin layout and pin function details for the LCD display sub CPU.

Pin function

Pin function details for the MN102H60KCG LCD display sub CPU.

4.15 NJM2360AM-X (IC921): DC-DC convertor

Pin layout and block diagram for the DC-DC converter IC.

4.16 NJM4565V-X (IC132, IC572): Dual operational amplifier

Pin layout and block diagram for the dual operational amplifier IC.

4.17 NJU7241F25-X (IC651): Regulator

Pin layout and block diagram for the NJU7241F25-X regulator IC.

4.18 NJU7241F33-X (IC504,IC804) : Voltage regulator

Pin layout for the NJU7241F33-X voltage regulator IC.

4.19 RPM6938-SV4 (IC805): Remote control receiver

Block diagram for the RPM6938-SV4 remote control receiver.

4.20 PCM1716E-X (IC571): D/A converter

Pin layout and block diagram for the D/A converter IC.

4.21 SAA6579T-X (IC51): RDS detecter

Pin layout and block diagram for the RDS detector IC.

4.22 TA2157FN-X (IC601): RF amp

Pin layout and block diagram for the RF amplifier IC.

Pin function

Pin function details for the TA2157FN-X RF amplifier IC.

4.23 TC94A14FA (IC621): DSP & DAC

Pin layout and block diagram for the DSP & DAC IC.

Pin function

Pin function details for the TC94A14FA DSP & DAC IC.

4.24 TC94A20F-008 (IC652): Audio digital processor with DAC and SRAM

Pin layout and block diagram for the audio digital processor IC.

Pin function

Pin function details for the TC94A20F-008 audio digital processor IC.

4.25 TMP91CW12AF4RA3 (IC501): CPU

Pin layout and block diagram for the CPU IC.

Pin function

Pin function details for the TMP91CW12AF4RA3 CPU IC.

4.26 UPD784217AGC220 (IC701) : CPU

Pin layout and block diagram for the UPD784217AGC220 CPU IC.

Pin function

Pin function details for the UPD784217AGC220 CPU IC.

4.27 TDA7404D-X (IC911) : Car radio signal processor

Pin layout and block diagram for the car radio signal processor IC.

SCHEMATIC DIAGRAMS

Block diagram

Overall block diagram of the CD receiver system.

Main amplifier section

Schematic diagram of the main amplifier circuit.

CD servo control section

Schematic diagram of the CD servo control circuit.

LCD & Key control section

Schematic diagram of the LCD and key control circuits.

Printed circuit boards

Layouts for the main board and mecha control board.

Front board

Layouts for the front board and mecha control board.

Mecha control board

Layouts for the front board and mecha control board.

PARTS LIST

Exploded view of general assembly and parts list (Block No.M1)

Exploded view showing assembly and parts identification.

CD mechanism assembly and parts list (Block No.MB)

Parts list for the CD mechanism assembly.

Electrical parts list (Block No.01~03)

List of electrical components used in the main board.

Packing materials and accessories parts list (Block No.M3)

List of packing materials and accessories.