Hitachi TRK8190 With no output

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neiloliver

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I have restored half a dozen of these but have an issue with my keeper. Basically no speaker output on radio, tape or line in. Cassette mechanism functions fine.

no VU meter indication. No drps 7 segment lit up when tape is playing and drps button is pressed. No fm stereo light when dial is taken from left to right.

i have lubricated the two record bars and the tape/radio/line selector.

If i inject audio (from my phone) onto the L or R power amplifier iC then this is played through the speakers so the power amp seems ok.

seems the audio from the three inputs is not making it to the amp.

Any ideas please?

neil
 
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