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LG SB94WA-C Service Manual
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P/NO : AFN70208672
APRIL, 2009
Blu-ray Wireless Home Theater System
SERVICE MANUAL
MODEL: HB954WA
(HB954WA / SB94WA-C/F/L/R/
W)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Website http://biz.lgservice.com
Internal Use Only
MODEL: HB954WA (HB954WA / SB94WA-C/F/L/R/W)
SERVICE MANUAL
2
Table of Contents
Section 1 Summary
3
Table of Contents
3
Product Safety Servicing Guidelines for Blu-Ray Disc Player Products
4
Servicing Precautions
5
General Servicing Precautions
5
Insulation Checking Prodedure
5
Electrostatically Sensitive (Es) Devices
5
Service Information for Eeprom
6
DVD Part
6
Micom Part
7
Software Upgrade
8
Specifications
9
Section 2 Electrical
12
Distorted Picture
13
Training Master for Blu-Ray (Bd)
13
Picture
18
Picture Color
23
Noise/Audio Problems
25
Miscellaneous
28
Blu-Ray Player
37
Youtube
39
Electrical Troubleshooting Guide
41
Smps Part Check
41
Amp Protection
42
Power Key Operation
43
Front Block
44
Touch Key Block
45
Audio Check
46
Video Check
48
HDMI no AUDIO/VIDEO CHECK (with HDMI IN)
50
HDMI no AUDIO/VIDEO CHECK (Without HDMI IN)
52
System Part-1
53
Waveforms
53
System Part-2 (System Memory)
54
Video Part-1 (100% Full Color-Bar)
55
Video Part-2 (100% Full Color-Bar)
56
Hdmi Part
57
Micom and Mpeg I/F Part
58
Wiring Diagram
60
Block Diagram
61
Circuit Diagrams
62
Smps Circuit Diagram
62
Cpu Bcm7440-1 Circuit Diagram
63
Cpu Bcm7440-2 Circuit Diagram
64
Ddr Flash, Cp Circuit Diagram
65
Micom Circuit Diagram
66
Hdmi Circuit Diagram
67
Cpld Circuit Diagram
68
Adc/Dir Circuit Diagram
69
Dsp Circuit Diagram
70
Power Interface Circuit Diagram
71
Io Interface Circuit Diagram
72
Pwm Circuit Diagram
73
Amp Circuit Diagram
74
Front Circuit Diagram
75
Power Junction Circuit Diagram
76
Power Key Circuit Diagram
77
Ipod Circuit Diagram
78
Touch Circuit Diagram
79
Circuit Voltage Chart
80
Printed Circuit Board Diagrams
82
Main P.C.board
83
Smps P.C.board
84
Amp P.C.board
86
Front P.C.board
87
Ipod P.C.board
87
Touch Pad P.C.board
87
Section 3 Cabinet & Main Chassis
88
Cabinet and Main Frame Section
90
Exploded Views
90
Deck Mechanism Section (Hl-04P)
91
Packing Accessory Section
92
Speaker Section
93
Section 4 Hl-04P Loader Part
100
Electrical Troubleshooting Guide
101
Reset or Power Check
101
System Check
102
Tray Operating Is Abnormal
103
Sled Operating Is Abnormal
104
Spindle Operating Is Abnormal
105
Focus Actuator Operating Is Abnormal
106
Laser Operating Is Abnormal
107
Bar-Code Scan System Configuration
108
How to Use the Bar-Code Scan Tool
108
Pick-Up Bar-Code Scan Tool Configuration
108
Running Bar-Code Scan Tool
109
Bar-Code Scan Procedure
110
Internal Structure of the Pick-Up
111
Optical Layout
111
Sf-Bd411 Pdic Composition
112
Pick-Up Connector Terminal Pin Assignments
113
Lic501 (Mt8575) : Blu-Ray Signal Processor Single Chip
114
Major IC Internal Block Diagram and Pin Description
114
Lic201 (R2A30232Sp) : Spindle Motor and 6Ch Actuator Driver
119
Circuit Diagram
122
Circuit Voltage Chart
123
Printed Circuit Board Diagrams
124
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Manual
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LG SB94WA-C Specifications
General
Brand
LG
Model
SB94WA-C
Category
Home Theater System
Language
English
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