Daewoo TVZ 1321 Service Manual page 89

IN04(TC4053BP)
1. Function : Triple 2 Channel Analog Multiplexer/Demultiplexer.
2. Signal Input & Output Diagram
3. Operation Summary
This IC operates in case of Slow, Still, Que and Review in 4HD.
To obtain exact signal waveform, various signals are input to each channel following are each controlled signal logics.
1) Que
Ch1 : SW PULSE
Ch2 : pin 15
Ch3 : pin 9
* Logic AND function
CH3 = CH1 CH2
2) STILL
Ch1 : SW PULSE
Ch2 : pin 15
Ch3 : pin 9
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* Logic AND function
CH3 = CH1 CH2