Specifications
Troubleshooting
Samsung Electronics 6-1
6. Troubleshooting
6-1 Entirely no screen
Remove SMPS output connector
(connect Video B d only)
Power on
Logic Connect Power
X-B d Connect Power
LED Light-on
(Power, Sink)
X-B d Output
Y-B d Connect Power
Y-B d Output
Replace Panel
SMPS Output
Voltage
Normal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
5V Output
Replace Video B d
Change Fuse
AC Input
Replace SMPS
Replace Logic B d
Replace X-B d
Replace Y-B d
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal










