Daewoo DSC-30W60N, Service Manual, Page: 39 / 73

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Troubleshooting charts
No Power
Switch relay (Y802) doesn’t operate.
(F801) doesn’t short-circuit. Replace F801.
Bridge rectifier (D805) doesn’t short-circuits.
(The voltage of between Anode and Cathode to
D805 is 0.6V).
Replace D805.
Both AC lines of power cord don’t short-circuit. Replace the parts caused a short-circuit.
PWR SW to PW15M is High. Check pin 26 of IC212.
Q804 doesn’t defective. Replace Q804.
Check Y802(switch relay).
Check the parts caused a short-circuit to secondary
circuits.
Replace defective parts with a new one.
YES
YES
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
ReplaceY802.
YES
P1