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U32
K
U33
L
5 Key point waveform diagram:
5.1 RF input color bar signal, TV signal waveform in the 21
these:
5.2 RF input gray ladder signal, TV signal waveform in the 21
like these:
TL062CD
TL062CD
Integration Amplifier
Integration Amplifier
th
pin of tuner U8, is like
th
pin of tuner U8, is
31
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