LG 55LM9600 Service Manual page 86

Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
1
A. Video error_ No video/Normal
2
audio
3
4 A. Video error_ No video/Audio
5
A. Video error_ video error /Video
lag/stop
6
7
A. Video error _Vertical/Horizontal bar,
8
residual image, light spot
9
A. Video error_ Color error
10
11
12
<Appendix>
13 Defected Type caused by T-Con/
Inverter/ Module
14
15
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Only for training and service purposes
Error symptom
Check LCD back light with naked eye
LED driver B+ 24V measuring method
Check White Balance value
Power Board voltage measuring method
TUNER input signal strength checking
method
LCD-TV Version checking method
Tuner Checking Part
LCD TV connection diagram
Check Link Cable (LVDS) reconnection
condition
Adjustment Test pattern - ADJ Key
Exchange T-Con Board (1)
Exchange T-Con Board (2)
Exchange LED driver Board (PSU)
Exchange Module (1)
Exchange Module (2)
Content Page
A10
A12
A-1/5
A-2/5
A-3/5
A-4/5
A-5/5
Continue to the next page
Remarks
A1
A2
A3
A4
A6
A7
A8
A9
LGE Internal Use Only