onkyo tx-nr646

[annapl]

i have a onkyo tx-nr646 receiver connected to my HTPC via nvidia gpu
i was hearing songs on it suddenly there was no sound
i tried resetting receiver
there is video out but no audio
i cut all inputs and i tried to adjust channel level using test tone but there was no test tone also
any help?

 

[annapl]

no warranty got it in second hand

 

[spirovious]

Onkyo has this common issue may be due heat.People has fixed it easily by heating some chip.
https://www.ifixit.com/Answers/View/388134/No+sound+coming+out+from+the+AV+receiver
Need a good technician to fix it.