Samsung ST436WMX/GAP Service Manual page 49

6-6-2 No StandBy (6.5V)
6-6-3 No Fan Voltage (IN 11V, OUT 10V)
Samsung Electronics
Check DS808 (RK16) and
DSZ806 (TZP8.2B)
NO
Check the terminals of CS802
(AC input Voltage x 1.414V)
and RFS803
NO
Check the Vds waveform of
IC802S Pin 4
NO
Check/Replace TS801S
Check R891 (2W 4.7Ω),
R893 ~ R894 (2W 39Ω)
NO
Check the terminals of C886
(A12V)
NO
Check/Replace the fan
connected to CN802A pins 4,5
YES
Replace DS808 (RK16) and
DSZ806 (TZP8.2B)
YES
Replace FP801S and RFS803
YES
Replace IC801S if
DSZ801, DSZ802, PC802S is OK
YES Replace any failed parts among
R891 (2W 4.7Ω),
R893 ~ R894 (2W 39Ω)
YES
Check/Replace R835 (2W 0.18Ω)
Troubleshooting
6-15