Daewoo DV-K580NZ-T service manual REC Signal N.G

TROUBLESHOOTING FLOW CHART

B. REC SIGNAL N.G.

Check EE mode.

Is REC-Y signal output		NO
From pin 40 of IC 301?
	YES

Is signal input into pin 37 of IC 301?

YES

NO

Check method A.

Is REC-Y signal input into pin 12 of IC 401?

YES

Is REC-C signal input into pin 12 of IC 401?

YES

INPUT VIDEO HEAD.

NO

NO

Check Q402, Q403,

Q404, Q405.

Is 5V supplied at pin 28 of IC 301?

YES

Is color signal output from pin 15 of IC 301?

YES

Check Q402, Q420.

NO

NO

Check Power Circuit.

Change IC 301.

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