Sony 5000F power switch

Radio Road

Which tuner to get and getting the most from it. Thank God, for the radio!

I'm trying to help a friend get a Sony 5000F tuner working again after years in storage. I am a professional electronics tech.

It would not power on at all, and the fuse was good, so I correctly suspected the power switch. It's a weird power switch arrangement that uses a rotary switch purely as a mechanical device to operate a plastic reed switch screwed to a bracket next to it. I managed to get contact cleaner into the reed switch and work the switch back and forth. That cleared it, but then I put the covers back on and went to test FM reception. It's stopped working again.

Anyone dealt with this before? Will I have to resort to replacing the reed switch?

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Schiit Audio

Topic - Sony 5000F power switch - Thermionic27609 11:17:19 08/21/17 (1)

Sounds like the tuner's powr supply is weak. - Timbo in Oz 14:16:41 09/01/17 (0)

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