LG Electronics 20LC1R-ZG service manual Fail L110, L112, R194, R198

No Raster on AV Signal (SCART, CVBS, S-VHS)

Repeat

[A] Process

No Raster on TV(RF) signal

	Check the output of
Fail	TU701	Fail

Check 5V, 33V of TU701 Re-soldering or Change the defect part

Pass
Check the signal of		Change L108, L109,
L108, L109, L110, L112	Fail	L110, L112, R194, R198,
R194, R198, R184		R184
Pass

Check the

input/output of U301 Fail

Pass

Check the

input/output of U101 Fail

Re-soldering or Change the defect part Check X301

Re-soldering or Change the defect part

Pass

Check input source cable and jack

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