LG Electronics 42LG6100-ZB, 42LG6000-ZA service manual Case of no sound

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5. In case of no sound

Symptom

1)LED is green

2)Screen display but sound is not output

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Check follow

Is All input (mode) no sound?

Yes

Is Only HDMI

no sound?

Yes

Is Only RF no sound?

No

No

No

Download the EDID data.

Check the tuner

SIF, AM Audio Input.

Is the output speaker		No
	turned on?
	Yes
		No
	Is a speaker	No
	cable connected?

Set the output speaker on.

Connect the speaker cable.

Yes

IC603 is OK?

Yes

IC600 is OK?

Yes

No

No

Replace IC603 (MSP4458).

Replace IC600(NTP3000A).

Replace VSC board.

LGE Internal Use Only

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Contents LCD TV Contents General Guidance Safety PrecautionsElectrostatically Sensitive ES Devices Servicing PrecautionsIC Remove/Replacement General SpecificationTV SpecificationGeneral SpecificationLCD Module Optical FeatureLCD Module Optical FeatureSET Component Video Input Y, PB, PRRGB Input PC Hdmi input DTV Hdmi DTVMechanical specification Page Application Range Adjustment InstructionPcmcia Card Checking Method Shooting Power BoardNo Power Raster Page Block a Case of abnormal display on the screen when HDMI4 mode Case of no sound Block Diagram Exploded View Only for training and service purposes Pannel Wafer Only for training and service purposes LGE Internal Use Only Jan