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onkyo tx7530 : on/off switch suddenly does not work

After many years of using receiver onkyo
tx7530
It can't be switched on again today.
There were a few same situations within the last 2 Month but after several tries it always was ON again.
But not today.
How to save this?

 

Comments
TonyStark
TonyStark picture
***

Hello Herki!

The error can be caused by several things, a fault in the mains switch, a fault in the thermal fuse of the transformer, a fuse fault, or others.
Look at the circuit diagram of the device, take measurements.

See the Service Manual:

https://elektrotanya.com/onkyo_tx-7530.pdf/download.html

Regards: Tony

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