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LG Manuals
LCD TV
42LB9D - - 42" LCD TV
Service manual
Table Of Contents - LG 42LB9D - - 42" LCD TV Service Manual
Service manual
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Table Of Contents
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Troubleshooting
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Table of Contents
Service Manual
1
Contents
2
Safety Precautions
3
Leakage Current Cold Check (Antenna Cold Check)
3
Leakage Current Hot Check
3
Important Safety Notice
3
Electrostatically Sensitive (Es) Devices
4
General Soldering Guidelines
4
General Servicing Precautions
4
Ic Remove/Replacement
5
"Small-Signal" Discrete Transistor Removal/Replacement
5
Diode Removal/Replacement
5
Circuit Board Foil Repair
5
Specification
6
Peak & Average Brightness & Contrast Measure Standard Specification
8
Average Brightness Measure Specification
8
Contrast Ratio Measure Specification
8
Component Input
9
Rgb Pc
9
Hdmi Input (Pc/Dtv)
10
General Specifications
11
Mechanical Specification
12
Adjustment Instruction
13
Board Adjustment
13
Edid (The Extended Display Identification Data) / Ddc
13
Hdmi Edid Data Input
13
Edid Data For Lb75A (42/47/52Lb9Df)
14
Adjustment
15
Test Equipment
15
White Balance Adjustment
16
Measuring Device Connection Diagram (For Automatic Adjustment)
16
Measuring Device Connection Diagram (For Manual Adjustment)
17
Video Set Adjustment
17
Analog Rf And Av-Pal Adjustment Method
17
Av Ntsc Adjustment Method
18
Troubleshooting And Block Diagram
19
Symptom: Tv Set Out Of Order On Powers
32
Symptom: No Booting
33
All Source Speaker Out
35
Monitor L, R Out
35
Digital Audio Out
35
Check Antenna Cable
37
Check Av/Component/Rgb Cable
41
Check Hdmi Cable
43
Usb 1.1 Block Diagram For Emf
44
Exploded View
45
Exploded View Parts List
46
Replacement Parts List
47
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