LG RM-15LA70 Service Manual page 19

Chassis : ml-041b
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No Raster on AV Signal
(Video, S-Video)
Repeat
[A] Process
Pass
Check the signal of
L1209, L1210, L1212
Pass
Check the input/output
of IC1
Pass
Check the input/output
of IC800, IC851
Pass
Check the input/output
of IC901
Pass
Check input source cable and jack
No Raster on TV(RF) signal
Check the output of
TU1000
Fail
Change L1209, L1210,
L1212
Fail
Re-soldering or
Change the defect part
Fail
Chek X11
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail
Check X900
Check 5V, 33V of TU1000
Re-soldering or
Fail
Change the defect part

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