Specifications

Troubleshooting
Samsung Electronics 5-1
5. Troubleshooting
5-1 No Power (No Picture on)
Yes
Check
both terminal voltages
of C813 (125V)
Check both
terminal voltages of
C805 (280~300V).
Check D801S~804S
FD801S
No
Is IC801S Pin 3
19~22V?
Check IC801S
/Zener diode
Check/Replace
T801S
No
Yes
No
Yes
Check
Voltage of A5V,A3.3V,
A15V power line.
Check whether
each power line
is short or open.
No
No
Yes
Is IC201S
Pin 54 Voltage 3.3V?
Check
H.V SYNC on
IC201S Pins 33, 21, 22
Check/Replace
IC901.
Check
IC201S Pin 11 is High
when power is On.
Check/Replace
IC902.
Check the voltage
of TU001.
Yes
Yes
No
No
Yes