03-14-2016, 03:09 PM
morzh Wrote:Is it mechanical or electronic?
I wish I knew...
...oh, you mean the function switch. Mechanical. This unit dates back to around 1969 or 1970.
Quote:Can it be inspected, cleaned?
Yes...and it shall be cleaned tonight.
PhilcoMike Wrote:Try tapping on the resistors in the power supply section while this is occurring and see if you can get it to stop.
Could be a crack in one of them letting values change when warm.
Thanks, I will.
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Ron Ramirez
Ferdinand IN