LG 50UH5500 Service Manual page 100

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
1
A. Video error_ No video/Normal audi
o
2
3
A. Video error_ video error /Video lag/
stop
4
5
A. Video error _Vertical/Horizontal bar,
6
residual image, light spot
7
A. Video error_ Color error
8
9
10
<Appendix>
11 Defected Type caused by T-Con/ Inv
erter/ Module
12
13
Content
Check LCD back light with naked eye
Check White Balance value
TUNER input signal strength checking met
hod
Version checking method
Tuner Checking Part
Connection diagram
Check Link Cable reconnection condition
Adjustment Test pattern - ADJ Key
Exchange Main Board (1)
Exchange Main Board (2)
Exchange Power Board (PSU)
Exchange Module (1)
Exchange Module (2)
Page Remarks
A1
A2
A3
A4
A5
A6
A7
A8
A-1/5
A-2/5
A-3/5
A-4/5
A-5/5