Thanks for a few replies on my last question. Since the last problem is occasional and therefore difficult to really locate, and I've tested a few things as suggested, I've decided to replace the filter caps and if the problem still remains, I'll replace the output transistors.
There is another problem, though. Once turned on, there is a tik-tik-tik.... sound coming out of the tweeter of both channel, loud enough to barely hear from about 2 feet away. This also causes the VU-meter (almost all solid-state Mc's have this meter) to continuously bounce slightly. Its sound is similar to alternately tapping the nails of our two fingers on the desk as fast as we can.
I've tried paralleling each filter diode with a small cap, but it didn't work. Any suggestion ?
There is another problem, though. Once turned on, there is a tik-tik-tik.... sound coming out of the tweeter of both channel, loud enough to barely hear from about 2 feet away. This also causes the VU-meter (almost all solid-state Mc's have this meter) to continuously bounce slightly. Its sound is similar to alternately tapping the nails of our two fingers on the desk as fast as we can.
I've tried paralleling each filter diode with a small cap, but it didn't work. Any suggestion ?
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