LG RE-32FZ10X Service Manual page 23

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Check the waveform at
pin 21,22 of IC601.
Check / Replace
IC601.
DON'T CATCH CHANNEL(MAIN)
Check the voltage at
pin9 of TUNER(33V).
Check/Replace
R403,FB854,D861,ZD102.
Check the waveform at
pin19 of T101(CVBS OUT).
Check/Replace
IC104
Check/Replace
IC16,IC11.
Check the voltage at
pin 14 of T101.
CHECK/REPLACE
T101.
Check the waveform at
pin 1,3 of IC602.
Check / Replace Check / Replace
H/P JACK. IC602.
Check the voltage at
pin13 of TUNER(5V).
Check/Replace
R124,IC101.
Check the waveform at
pin73 of IC1111.
Check/Replace
Q108,Q1272,F1201,IC1101.
CHECK/REPLACE
CHECK/REPLACE
R127,IC11.
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Check the voltage at
pin 14 of T101.
2.5V
CHECK/REPLACE
T101.
0V
Q107,IC11.