LG M1994A-PTJ Service Manual page 21

Repeat [A,B] process.
Check the input/output
of R120, R121
Check input source cable
and jack.
Repeat [A,B] process.
Check
the input/output
of L102, L103, L104
Check Ourput of
IC206, IC208
Check input source cable
and jack.
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Only for training and service purposes
5. No Raster on DVI Signal
Pass
Fail
Pass
6. No Raster on Video (CVBS, S-Video) Signal
Pass
Fail
Pass
Fail
Pass
Re-soldering or change the
defect part, Check the X300
Fail
Change L102, L103, L104
Re-soldering or change the
defect part, Check the X300
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X300
Check short of
IC301, Q205
Pass
X300
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