Question about Marantz SR-7300 6.1 Channels Receiver

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Receiver will not turn on

My Marantz SR7300 receiver will not turn on. When I plug it in I hear a relay click but nothing else. Internal fuse is ok, nothing appears smoked.

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Re: Receiver will not turn on

It is probably shorted out. the fact that you hear a relay click is bad news for you. Take it in and tell them that you cannot get power from the switch through to the main board.

Posted on Jul 26, 2007

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Plugged marantz sr8100 into 230V outlet without transformer. Did this likely cause irreparable harm to receiver?

If you have plugged in to 230AC with voltage settings was 110VAC, the transformer has been damaged already [opend winding]. If the voltage settings was 230VAC itself, there will be no harm to its internal transformer. Anyway, open it, anc check the fuses. In some cases, fule only will blow out, preventing from furhter damages. I'm not sure about it, but check it. If the fuse only has blown out, and there has no harm; you are lucky I should say. OK.

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A Mute indicator would tell you if it was muted. Make sure no Tape or Multichannel Input are selected by mistake.

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1 Answer

I have the same problem. The fuse blows every time I plug the Sony STR-DE135 into the wall. I did not find the F901 at Radio Shack, so I bought a fast acting 5 Amp 125V Fuse at the Hardware store. It blew...

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If it keeps blowing fuses you are stressing it a bit more every time you feed it another one. I'd get it in to a Pro for repair.

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Does the receiver work OK?
These are probably electromechanical switches (called relays) which yamaha uses a lot. They use electricity to connect/disconnect something by magnetic force and this causes the "clicks". It is used for example to connect the speakers to the output of apmlifier only after it has finished initializing to protect both the amp and the speakers.
When I turn on my RX-V465 I hear at least one click, it is probably connecting power to the amp. When turning it on with Radio button on remote I hear 3 clicks over 2-3 seconds.
So these clicks are normal and nothing to worry about. They occur also when you switch to the PURE DIRECT mode.

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If you dont mind getting a real good service manual , try

I'd say 15-25 $

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