Samsung LT-P468W Service Manual page 65

5 Troubleshooting
5-1 No Power
Does the 6~7V appear at
G01
Pin 3 of main board CN806?
01
Yes
Does the 4V appear at
G02
Pin 1 of main board CN806?
02
Yes
Does the 5V appear at Pin 3, 4
G03
and 5 of main board CN801?
03
Yes
Check Sub MICOM.
WAVEFORMS
1
LT-P468W
No
No
No
2
Check SMPS board.
Check main power.
Check SMPS board.
3
5-1