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Hyundai
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H-MS1107

DVD PLAYER SERVICE MANUAL

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HYUNDAI Electronics Service Support Team RUS
Service Manual
H-MS1107

rev. 1.01 Include:

2006-09-29

SERVICE MANUAL
DVD PLAYER (For Sunplus)
Page 1

Contents
Front cover ..............................................................................01-01 Contents.................................................................................. 02-02 Block diagrams for the DVD player ...................................... 03-08 Major functions of the IC of the DVD player ........................ 15-15 Maintenance procedures for the DVD player ........................ 16-23
Page 2

Block diagram for the operating principle of the DVD decoding board

Interface of the laser head

RF preamplification circuit

+3.3V, +5V and ±12V stabilized power supplies provided by the power board

Focusing coil
Trace searching coil

Digital servo processor Control decoding single-chip
microcomputer SPHE8200A control.

Disc tray ingress and egress controller Q12,Q13,Q24,Q25

Feeding motor
Disc tray motor drive

Focusing, trace searching and feeding servo drivers CD5954

VF digital-analog converter N/P system encoder Audio D/A converter Video output

Principal axis motor

Audio output CS4360

Page 3

Block diagram for the power supply part of the DVD player
~220V
Power switch control Switch tube 5L0380
Switch transformer
Switch tube control.
Filter by the filter capacitor after diode rectification.
3.3V 5V 12V -12V
Faceplate power supply
Page 4

Block diagram for the faceplate part of the DVD player

Signals DATA, STB and BCK of decoding board
output.

AC 3.3V, +5V, -21V from power board

VFD display drive Matrix circuit button

VFD screen
Faceplate button

Page 5

Block diagram for the karaoke part of the DVD player

Microphone input

Preamplifier 4558 AF amplifier

VOLUME CONTROL OF THE
MICROPHONE

Two-channel output AF signal

Page 6

Diagram of the servo mechanism of the DVD player

Compact Disc
Laser beam

Principal axis motor

Laser tube
Object lens

Focusing adjustment

Tracking control

Optical detector

Gliding mechanism of the light head

Focusing servo: makes the focus match the information
side of a CD Tracking servo: makes the light
beam track the sound track.
Feeding servo: moves the whole light head mechanism.
APC: controls the constant laser output.
Principle axis servo: Keeps CD in CLV revolution.

Page 7

Major functions of the IC feet
ED86 interface figure
Page 8

1. SPHE6300A function: RF single preamplifier. 2. SPHE8200A function: digital signal processor;


























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