LG CT-29Q90IP - Channel Reception Issues; PIP;Double Window Issues

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Check/Replace
IC501,IC701,IC702.
Check/Replace
IC201,Q204,Q210.
Check/Replace
Check/Replace
Check the voltage at
pin16 of TU101(Main).
Check the voltage at
pin13 of TU101(Main).
Check the waveform at
pin24 of TU101(Main).
Check the waveform at
pin12 of P501A.
DON'T CATCH CHANNEL(MAIN)

FR848,FR829,D811
R121,ZD101.
Check/Replace
R124,IC101.

IC104
Check/Replace
IC502,IC701,IC702.
Check/Replace
Q211.
Check/Replace
Check/Replace
Check the voltage at
pin16 of TU102(PIP).
Check the voltage at
pin13 of TU102(PIP).
Check the waveform at
pin24 of TU102(PIP).
Check the waveform at
pin6 of P502A.

FR848,FR829,D811
R121,ZD101.
Check/Replace
R124,IC101.

IC104
NO PIP / NO DOUBLE WINDOW