LG Electronics CT-29M65VE service manual

OK

AV Stereo

Select correct system

In menu

OK

Check the connection

Of AV equipment

	AV		Check the the waveform			NO
OK			At pin16, 17 of IC11
				OK
					NO
	Check the waveform
	At pin4, 5, of IC11
		OK
					NO
	Check waveform
	At pin 2, 4 of IC601

Check TU101 Tuner

Check the voltage

Of pin2, 19, 20, 21,24 of IC11

Check the signal line of SPK-L,R

OK

Check the voltage

At pin6 of IC601

OK

Check the waveform

At pin 8, 9, 11, 12 of IC601

NO	Check pin 55 (mute)
	of IC11

NO	Check the vpltage	NO	Check /Replace
	At pin7, 5 of IC601		D828, D805, F806

OK

Check the connection of side or Front AV Board P603A

NO

Connect the Board

OK

Replace IC601

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