KMonitor out role is the output terminal to the machine's output to other TV or stereo images and sounds. IC7200 24 pin is CVBSOUT, 55 pin, 56 pin is AUDIO LINE - OUT, the problems should be the output of the IC feet looked up, such as the output waveform is normal feet, IC is OK. Check the MONITOR OUT amplification circuit, can use oscilloscope measurement step by step. Detected by the actual, C1030 R1042 linked in a voice waveform, the Q1002 B, C grade is no waveform, the test level Q1002 BE short circuit, damage of Q1002 triode. After replacing Q1002, TV back to normal.Qaqservice manual download site