LG Electronics LCD 782LS service manual Trouble in DPM

4. TROUBLE IN DPM

TROUBLE IN DPM
CHECK	NO	CHECK PC
R233, R234?		PC IS NOT GOING
		INTO DPM OFF MODE
YES
CHECK	NO
U501 PIN 6		TROUBLE IN
WAVEFORM		X501
(24MHz) ?
YES
CHECK	NO	TROUBLE IN
U501 PIN 11
		SIGNAL CABLE
(0V) ?
YES
TROUBLE IN PC
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