LG 20LS7D - Page 15

5. No Raster on HDMI Signal
6. No Raster on AV (Video,
S-Video) Signal
7. No Raster on TV(RF) Signal
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Repeat [A, B]
process.
Pass
Check the input/
output of IC100.
Fail
Re-soldering or change the
defect part, Check the X100.
Pass
Check input source cable and jack.
Check input source cable and jack.
Repeat [A, B]
process.
Pass
Check the output
of TU600.
Pass
Pass
Fail
Check 5V of TU600.
Re-Soldering or change
the defect part.
Check the
input/output of L702,
R954, R948.
Fail
Change L702, R954,
R948.
Pass
Check input/output
of IC100.
Pass
Fail
Re-soldering of Change defect part.
Check the X100.