Daewoo DSJ-5510CRA, Service Manual

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40
TROUBLE SHOOTING
When power isn’t supplied
(Standby power: I301)
Standby power LED isn’t red
C806 + voltage is approx. 150VDC
I801 #4 drain voltage waveform
If I801 #4, #2 source impedance is near 0 , I801
has been destroyed. Replace with a new one.
Check if PA802 S/B voltage is supplied for
PW364 assy
Check if power LED turns from red to green in
pressing power button
END
Check if T801 2nd S/B voltage is short
F801 fuse is open
NO
NO
NO
420VP-p
100KHz