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SB94SA-W
LG SB94SA-W Service Manual
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P/NO : AFN70208670
MARCH, 2009
5.1Ch Blu-ray Receiver System
SERVICE MANUAL
MODEL: HB954SA
(HB954SA / SB94SA-C/S/W)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Website http://biz.lgservice.com
Internal Use Only
MODEL: HB954SA (HB954SA / SB94SA-C/F/S/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
10
Distorted Picture
11
Training Master for Blu-Ray (Bd)
11
Picture
16
Picture Color
21
Noise/Audio Problems
23
Miscellaneous
26
Blu-Ray Player
35
Youtube
37
Electrical Troubleshooting Guide
39
Smps Part Check
39
Amp Protection
40
Power Key Operation
41
Front Block
42
Touch Key Block
43
Audio Check
44
Video Check
46
HDMI no AUDIO/VIDEO CHECK (with HDMI IN)
48
HDMI no AUDIO/VIDEO CHECK (Without HDMI IN)
50
System Part-1
51
Waveforms
51
System Part-2 (System Memory)
52
Video Part-1 (100% Full Color-Bar)
53
Video Part-2 (100% Full Color-Bar)
54
Hdmi Part
55
Micom and Mpeg I/F Part
56
Wiring Diagram
58
Block Diagram
59
Circuit Diagrams
60
Smps Circuit Diagram
60
Cpu Bcm7440-1 Circuit Diagram
61
Cpu Bcm7440-2 Circuit Diagram
62
Ddr Flash, Cp Circuit Diagram
63
Micom Circuit Diagram
64
Hdmi Circuit Diagram
65
Cpld Circuit Diagram
66
Adc/Dir Circuit Diagram
67
Dsp Circuit Diagram
68
Power Interface Circuit Diagram
69
Io Interface Circuit Diagram
70
Pwm Circuit Diagram
71
Amp Circuit Diagram
72
Front Circuit Diagram
73
Power Junction Circuit Diagram
74
Power Key Circuit Diagram
75
Ipod Circuit Diagram
76
Touch Circuit Diagram
77
Circuit Voltage Chart
78
Printed Circuit Board Diagrams
80
Main P.C.board
81
Smps P.C.board
82
Amp P.C.board
84
Front P.C.board
85
Ipod P.C.board
85
Touch Pad P.C.board
85
Section 3 Cabinet & Main Chassis
86
Cabinet and Main Frame Section
88
Exploded Views
88
Deck Mechanism Section (Hl-04P)
89
Packing Accessory Section
90
Speaker Section
91
Section 4 Hl-04P Loader Part
94
Electrical Troubleshooting Guide
95
Reset or Power Check
95
System Check
96
Tray Operating Is Abnormal
97
Sled Operating Is Abnormal
98
Spindle Operating Is Abnormal
99
Focus Actuator Operating Is Abnormal
100
Laser Operating Is Abnormal
101
Bar-Code Scan System Configuration
102
How to Use the Bar-Code Scan Tool
102
Pick-Up Bar-Code Scan Tool Configuration
102
Running Bar-Code Scan Tool
103
Bar-Code Scan Procedure
104
Internal Structure of the Pick-Up
105
Optical Layout
105
Sf-Bd411 Pdic Composition
106
Pick-Up Connector Terminal Pin Assignments
107
Lic501 (Mt8575) : Blu-Ray Signal Processor Single Chip
108
Major IC Internal Block Diagram and Pin Description
108
Lic201 (R2A30232Sp) : Spindle Motor and 6Ch Actuator Driver
113
Circuit Diagram
116
Circuit Voltage Chart
117
Printed Circuit Board Diagrams
118
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LG SB94SA-W Specifications
General
Brand
LG
Model
SB94SA-W
Category
Home Theater System
Language
English
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