Question about Sony FD Trinitron WEGA KV-27FS100 27" TV
I measured 1.1V so it looks like a bad IC. I used the coax tuner chassis box as a ground point. The CRT metal band as a ground gave a lower .8V measurement so I don't think it is a good ground for this test.
Another reply suggested that I check Horizontal Output Transistor. Do you think that is worth looking into at this point? I don't know what to measure for or the designation of the Horizontal Output Transistor. If you feel that the odds are high that IC561is the problem then thats were I will stop.
Check for +15V from the flyback pin # 9, if that voltage is present; check R541 and D531. If these parts are good you should find +12V at TP98 nearby C539.
If still not voltage found, I would suggest to desolder and isolate IC561 pin 2.
Posted on Aug 17, 2008
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Posted on Jan 02, 2017
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