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Onkyo amplifier blocked NG:L R how to unlock it

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baladur13 Posted messages 47552 Registration date   Status Modérateur Last intervention   -

Hello, I have an Onkyo TX SR 444 amplifier that got stuck when I turned up the volume. It’s impossible to get any sound or even a picture. I unplugged everything, but the same problem persists. GN: L R. Can someone please help me?

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baladur13 Posted messages 47552 Registration date   Status Modérateur Last intervention   14 373
 

Hello,

I’m afraid this issue requires the intervention of a repair technician.

The manual on page 89 states:

If "NG" appears, immediately disconnect the power cord and contact your Onkyo dealer.

The manual https://www.onkyo.com/manual/txsr444/adv/fr/pdf/all_contents.pdf

However, with the speakers disconnected, do you still have the same problem or not?

It’s very difficult to catch a black cat in a dark room.
Especially when it’s not there...
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