Read LG 37LV3500-ZA / 37LV3550-ZB / 37LV355A-ZB / 37LV355C-ZB / 37LV355N-ZB / 37LV355T / 37LV355U-ZB (CHASSIS:LD01U) Service Manual online
Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
1
A. Video error_ No video/Normal audio
Check LCD back light with naked eye
A1
2
LED driver B+ 24V measuring method
A2
3
Check White Balance value
A3
4
Power Board voltage measuring method
A4
6
A. Video error_ No video/Video lag/stop
TUNER input signal strength checking method
A6
7
LCD-TV Version checking method
A7
9
A. Video error_Color error
LCD TV connection diagram
A8
10
Tuner Checking Part
A9
11
Check Link Cable (LVDS) reconnection
condition
condition
A10
A11
A10 : Edge LED
A11 : Lamp
12
Adjustment Test pattern - ADJ Key
A12
13
A. Video error_Vertical/Horizontal bar,
residual image, light spot
residual image, light spot
LCD TV connection diagram
A8
14
Check Link Cable (LVDS) reconnection
condition
condition
A10
A11
A10 : Edge LED
A11 : Lamp
15
Adjustment Test pattern - ADJ Key
A12
16
<Appendix>
Defected Type caused by T-Con/
Inverter/ Module
Inverter/ Module
Exchange T-Con Board (1)
A-1/5
17
Exchange T-Con Board (2)
A-2/5
18
Exchange LED driver Board (PSU)
A-3/5
19
Exchange Module itself (1)
A-4/5
20
Exchange Module itself (2)
A-5/5
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