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SH36SU-W
LG SH36SU-W Service Manual
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P/NO : AFN75272761
FEBRUARY, 2011
DVD HOME CINEMA SYSTEM
SERVICE MANUAL
MODEL: HT306SF
(HT306SF, SH36SF-S, SH36SU-W)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Website http://biz.lgservice.com
Internal Use Only
MODEL: HT306SF(HT306SF, SH36SF-S, SH36SU-W)
SERVICE MANUAL
2
Table of Contents
Section 1 Summary
3
Table of Contents
3
Servicing Precautions
4
Esd Precautions
6
Service Information for Eeprom
7
How to Update DVD & Audio Micom Programs
8
Specifications
9
Section 2 Electrical
10
Electrical Troubleshooting Guide
11
Power Supply Circuit
11
Front Circuit (1/2)
12
Front Circuit (2/2)
13
System Operation Flow
14
Test & Debug Flow
15
Amp Protection
21
AUDIO Μ-COM CIRCUIT(DVD & AMP)
22
Details and Waveforms on System Test and Debugging
23
System 27 Mhz Clock, Reset, Flash R/W Signal
23
Sdram Clock
24
Tray Open/Close Signal
25
Sled Control Related Signal (no Disc Condition)
26
Laser Power Control Related Signal (no Disc Condition)
27
Lens Control Related Signal (no Disc Condition)
27
Disc Type Judgement Waveforms
28
Focus on Waveforms
30
Spindle Control Waveforms (no Disc Condition)
31
Tracking Control Related Signal (System Checking)
32
Mt1389Mh Video Output Waveforms
33
DVD & Amp Waveforms Mt1389Mh
34
Wiring Diagram
36
Block Diagrams
37
Circuit Diagrams
39
Smps Circuit Diagram
39
Main & Amp - 1 Circuit Diagram
40
Main & Amp - 2 Circuit Diagram
41
Front & Power Key Circuit Diagram
42
Front Jack Circuit Diagram
43
Circuit Voltage Chart
44
Main & Amp P.C. Board
46
Printed Circuit Board Diagrams
46
Smps P.C. Board
48
Front Jack P.C. Board
49
Front P.C. Board
49
Power Key P.C. Board
49
Section 3 Cabinet & Main Chassis
50
Cabinet and Main Frame Section
52
Exploded Views
52
Deck Mechanism Section (Dp-15T)
53
Front/ Rear/ Center Speaker (Sh36Sf-S)
54
Speaker Section
54
Passive Subwoofer (Sh36Su-W)
55
Packing Accessory Section
56
Section 4. Mechanism (Dp-15T)
58
Bottom View
59
Deck Mechanism Parts Locations
59
Top View
59
Top View(Without Tray Disc)
59
Clamp Assembly Disc
60
Clamp Upper
60
Deck Mechanism Disassembly
60
Magnet Clamp
60
Main Base
60
Plate Clamp
60
Tray Disc
60
Base Assembly Sled
61
Gear Feed
61
Gear Middle
61
Gear Rack
61
Rubber Rear
61
Base Main
62
Belt Loading
62
Frame Assembly Up/Down
62
Gear Loading
62
Gear Pulley
62
Guide Up/Down
62
PWB Assembly Loading
62
Deck Mechanism Exploded View (Dp-15T)
63
Other manuals for LG SH36SU-W
Owner's Manual
38 pages
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LG SH36SU-W Specifications
General
Brand
LG
Model
SH36SU-W
Category
Home Theater System
USB Playback
Yes
HDMI Output
Yes
USB Port
Yes
Optical Input
Yes
Audio formats
Dolby Digital
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