Specifications

Troubleshooting
Samsung Electronics 5-1
5. Troubleshooting
5-1 No Power (No Picture on)
Yes
Check
both terminal voltages
of C814
Check both
terminal voltages of
C806 (280~300V).
Check D801S
FB801S
No
Is IC801S Pin 3
19~22V?
Check IC801S
Check/Replace
DZ801,DZ804,
DZ802,PC801S
No
Yes
No
Yes
Check
Voltage of 8V, 12V, 6V,
20V power line..
Check whether
each power line
is short or open.
No
No
Yes
Is Q805-E
Output Voltage 5V?
Is Q901-E
Voltage 3.3V?
Check/Replace
Q901, DZ901, D901
Check
Q811-B is High
when power is On
(about 0.6~2.0v)
Check/Replace
IC902
Check /Replace
Q810, Q812, DZ805
Yes
Yes
No
No
Yes