Contents of 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
3 Check White Balance value A4
4 Power Board voltage measuring method A5
6
A. Video error_ No video/Video lag/stop
TUNER input signal strength checking method A6
7 Version checking method A7
9
A. Video error_Color error
connection diagram A8
10 Tuner Checking Part A9
11
Check Link Cable (LVDS/EPI) reconnection
condition
12 Adjustment Test pattern - ADJ Key A12
13
A. Video error_Vertical/Horizontal bar,
residual image, light spot
connection diagram A8
14
Check Link Cable (LVDS/EPI) reconnection
condition
15 Adjustment Test pattern - ADJ Key A12
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
19 Exchange Module itself (1) A-4/5
20 Exchange Module itself (2) A-5/5
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