04-24-2014, 08:25 PM
Mondial, I haven't been near the bench this week. I did make some tests Sunday evening. While I failed to measure the Q406 collector voltage, I did use my signal tracer at various points along the audio chain, and found that the right channel audio drops below the level of the left channel in the control amplifier board, at the collector of Q202. Q202 is new, as are all of the transistors on the control amplifier board - all of the electrolytics were replaced, also.
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Ron Ramirez
Ferdinand IN