B) No Picture Condition
Check all connectors
connection, remove and
connect again
Check supply voltage at XS504
- 5V on pin no. 7 & 8
- 12V on pin no. 1,2 & 4.
Check backlight signals (On
& bright) 5V on TP 105 & TP
106
Check 5V supply at LVDS
connector
Pin no.1,2,4 of XS401
Abnormal
Normal
Connect
properly
Check power
supply
Normal
Abnormal
Normal
Main board
faulty
Panel
Problem
Abnormal
49