LG 32LH550B - Contents of LCD TV Standard Repair Process Detail Technical Manual

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+ measuring method A2
3 Check White Balance value A3
4 Power voltage measuring method A4
6
A. Video error_ No video/Video lag/stop
TUNER input signal strength checking method A5
7 LCD-TV Version checking method A6
9
A. Video error_Color error
LCD TV connection diagram A7
10
Check Link Cable (LVDS) reconnection condition
A8
A9
11
Adjustment Test pattern - ADJ Key A10
12
13
A. Video error_Vertical/Horizontal bar, resid
ual image, light spot
LCD TV connection diagram A8
14 Check Link Cable (LVDS) reconnection condition
A8
A9
15 Adjustment Test pattern - ADJ Key A10
16
<Appendix>
Defected Type caused by T-Con/ 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
Exchange Module itself (1) A-4/5
19
20 Exchange Module itself (2) A-5/5
* First of all, Check whether there is SVC Bulletin in GCSC System for these model.