Read LG 47SL80YD-DA (CHASSIS:LT91T) Service Manual online
LCD TV Repair Process Index
- Trouble shooting by input block (Component level check)
No.
Symptom (L)
Input Block
Page
Remark
1
Power Problem
Power-up Boot fail
1~2
2
Video Problem
No OSD
3~4
3
Digital TV
5
4
Analog TV
6
5
AV (Scart / CVBS/ S-Video)
7~12
6
Component
13
7
RGB(D-SUB)
14~15
8
HDMI
16~17
9
Audio Problem
All Input
18
10
Digital TV
19
11
Analog TV
20
12
AV / Component / RGB, HDMI-PC/ HDMI-DTV
21~26
13
AV Audio out / No Audio (Headphone &
SPDIF)
SPDIF)
27~30
14
USB / Remocon Problem
USB no connect / Remocon
31~33
15
Intelligent Sensor
Intelligent Sensor
34
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