Powers up just hums through speakers ...

Question

Receiver

An audio/video receiver (AVR or home audio receiver) is a consumer electronics component used in home theaters that convert signals into sound.

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I have Sherwood 7100 vintage receiver it seems to power up but all I get is humming sound ... fuses are not blown

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Hi,

Have you tried all the inputs, (AM, FM, Phono, Tape or Aux) to see if there is an output at all when using any of them?

Have you connected an antenna lead to either the AM or FM antenna connections and then tune for a station to see if there is a signal being heard?

Have you tried listening with a set of headphones using the headphone socket to see if there is any sound there?

electricdime @electricdime Rep: 229 4 · Answer 1 · 2017-05-24T11:20:04-07:00

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It sounds like a bad power transformer or bad or leaking capacitors. This will be need to be looked at by a qualified technician.

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