Question Marantz SR4200 cutting out on optical input

Captain Jack

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I have a pretty old SR4200 and recently have been experiencing cutting out issues on optical input when first switched on.

When first switched on, everything is working fine but after a few minutes "NO DATA" comes up on display and sounds goes mute. I can either wait about half a minute or switch it off and back on to get the sound back. After that everything works without cutting out.

The obvious workaround is to keep the unit on all the time but that costs!

Any ideas? Could it be simple PSU components that need replacing? Usually caps are the first to go...
 

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