LG LX-U250D Stereo System Manuals

LG LX-U250D Stereo System Manuals

Manuals and User Guides for LG LX-U250D Stereo System. We have 1 LG LX-U250D Stereo System manual available for free PDF download: Service Manual

LG LX-U250D Service Manual

LG LX-U250D Service Manual (58 pages)

Brand: LG | Category: Stereo System | Size: 5.09 MB

Table of Contents

Section 1. General
3
Servicing Precautions
3
Notes Regarding Compact Disc Player Repairs
4
Volume Knob
4
Esd Precautions
5
Specifications
6
Section 2. Electrical
8
Troubleshooting Guide
8
Open Close Ng
9
Micom Interface Waveform
17
Sled Drive and Motor Waveform
18
Focus Drive and Motor Waveform
18
Spindle Drive and Motor Waveform
19
Track Drive and Motor Waveform
19
Rf, Focus and Tracking Error Waveform
19
Vkk Check
21
Voltage Check
22
Fuse Change
22
INTERNAL BLOCK DIAGRAM of Ics
29
Block Diagram
36
Main Schematic Diagram
38
Front Schematic Diagram
40
Power Schematic Diagram
41
Deck Schematic Diagram
42
CD Schematic Diagram
44
Wiring Diagram
45
Printed Circuit Diagrams
46
Section 3. Exploded Views
53
Cabinet and Main Frame Section
53
Section 4. Speaker Section
56

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