LG MT-42PM10 Service Manual page 22

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5-2. In case of doesÕt display the screen into specific mode

(1) Symptom

The screen does not become the display from specific input mode

(RF, AV, Component, RGB, DVI).

(2) Check follow

Check the all input mode should become normality display.

Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become

normality display from the PIP mode or DW mode. (Re-Check it Swap)

(3) In case of becomes unusual display from RF mode

Is normal the Tuner?

Yes

Is normal the

CXA2069Q?

Yes

Is normal the

VPC3230?

(4) In the case of becomes unusual display from RF, AV mode

Is normal the

CXA2089Q?

Yes

Is normal the

VPC3230?

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Is the Tuner Cable

connected well?

Cable inserts well.