Original owner of a Marantz 2238. Worked perfectly until last week. Powers up, FM signal strength and all other functions appear to work, except no audio out.
I know that when it normally powers up, there's about a 2 second delay then a small relay type ''click'' before the amp powers up and speakers begin working. I no longer hear that relay sound and no output to the speakers.
Thanx in advance,
Kerry Adams
This can be as simple as a poor connection somwhere in the voltage regulator circuit or a defective driver transistor or output transistor. In any case, this is a simple repair for any shop that works on vintage receivers. If it is the outputs, that will be the most expensive repair from a parts perspective. The outputs will cost in the $5-$10 range for each one and it could be 2-4 pieces. If you wish to attempt this repair yourself, you will need a multimeter that has a diode checker. Let me know and I'll provide additional details and instructions.
Dan
Dan,
Not sure how old this is, but I am experiencing the exact problem on my 2138b. You have instructions on how to go about fixing this? Was working great, no audio now, no relay click when powered up. I do have a meter. Thanks, John
I did mean 2238B sorry
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am fm does not work everything else works fine
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