General Please note this service information for your service.
Model TU-32GAM, TU-32GAH, TU-32GAX, TU-32GAA,
TU-37GAM, TU-37GAH, TU-37GAX, TU-37GAA,
LC-26GA3M, LC-26GA3H, LC-26GA3X, LC-26GA3A,
LC-26GA4M, LC-26GA4H, LC-26GA4X, LC-26GA4A
Phenomenon No picture when inputting a composite signal to INPUT1 or 3.
Cause Picture selection control line is unstable.
Servicing In this case, please add 22k Ω resistor(R7203) on the main unit as shown in the figure below.
