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RT-32LZ50CK (CHASSIS:ML-041A) - LG TV Service Manual (repair manual). Page 18

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- 18 -
No Raster on Component signal
Change
Q310,Q315,Q316
Check the signal of
Q310,Q315,Q316
Repeat
[A] Process 
Check the input/
output of IC1
Check the input/
output of IC901
Check input source cable and jack 
Fail
Re-soldering or 
Change the defect part
Fail
Re-soldering or 
Change the defect part
Fail
Pass
Pass
Pass
Check the input/output
of IC500, IC600
Re-soldering or 
Change the defect part
Fail
Pass
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