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My NAD reciever has no sound , Any suggestions

I have a NAD T773 AV receiver. Today when I turned on the the reciever there was no sound from any of the surround sound speakers. The so called authorized NAD repair for Denver said they are brand new and do not even have manuels for repairs. They charge $85.00/hr and they have not worked on NAD for over 15 yrs. Help please.
Thanks Jan
jnelson
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uru975
684 posts
 
Have you checked: Fuses, breakers, did someone unplug it?,and or are all the interconnects still properly plugged in. As a former electronic technician these simple things fix things about 10-15% of the time.
mapman's avatar
mapman
22,393 posts
 
If it powers up but no sound and all settings are correct most likely internal fuses have blown.

Also try unplugging it for 30 seconds and then plugging back in and trying again. Sometimes computer controls in modern gadgets get into an abnormal state and require a reset. Removing power at the source is often the cure.
swampwalker's avatar
swampwalker
5,138 posts
 
Is it in stereo mode? Are the surround speaker levels set all the way down. Are the surround sound speakers connected at the receiver AND at the speaker?
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