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 A2
3 Check White Balance value A3
4 Power Board voltage measuring method A4
5
A. Video error_ No video/Video lag/stop
TUNER input signal strength checking method A5
6 Version checking method A6
7
A. Video error_Color error
Connection diagram A7
8
9 Check Link Cable (LVDS) reconnection condition
A8
A9
10 Adjustment Test pattern - ADJ Key A10
11
A. Video error_Vertical/Horizontal bar,
residual image, light spot
Connection diagram A8
12 Check Link Cable (LVDS) reconnection condition
A8
A9
13 Adjustment Test pattern - ADJ Key A10
14
<Appendix>
Defected Type caused by T-Con/ Inverter/
Module
Exchange T-Con Board (1) A-1/5
15 Exchange T-Con Board (2) A-2/5
16 Exchange LED driver Board (PSU) A-3/5
55” : driver board
Other : PSU
17 Exchange Module itself (1) A-4/5
18 Exchange Module itself (2) A-5/5
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