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Yamaha RX-V673 7.2-Channel Network AV Receiver - Page 4 Questions & Answers
Yamaha Amplifier AS 301, AS 501 intermittently shut off
2021 amp, has new TRICKS , add STANDBY.4 causes,(more really) in the manual 1: speaker wire shorts or even speaker.2: overheating of final PA power amp out. vents blocked. or lint.3: a bad amp,(inside)run the amp, on desk not a cabinet and cool 20F room,no cables connected by AC power. 4: so does same thing at 8 hours unused it goes to STAND BY MODE. (2021 amp, now do this trick (wow)does it still fail, this 1 test. do tell.I have 40 year old amps here 100watt RMS out.that self shut off for speaker short or too hot.nothing at all new about that and do not need a processor to do that ever.(facts)!what matters are the new 2021 tricks inside.it does say turn the volume down to stop amp overheating. or let it cool in the manualor power surgedor Impedance switch set wrongthe Power LED dims so show standby
HTR-3065 Firmware Update
Through an authorised Yamaha Electronics Service Centre.
They are not available to the public as firmware damage may occur and that will destroy your receiver.
Yamaha Rx-V371 will not turn on
It's in protection mode. Disconnect all speakers and hold the Tone and Straight buttons while hitting the power button. Hold all buttons down for 3 to 5 seconds. This will turn off protection mode. Now power down then back on. If you haven't damaged anything it should work fine. Make sure all speaker connections are good. Always power down the unit before making any speaker or other connections.
Yamaha RX-v685 - Surround Sound Issues
If you are in Pro Logic mode and play a stereo recording/film etc, there will be no rear sound.
You need a Pro Logic recording to produce true rear sound.
Yamaha CX-A 5200 protection circuitry has been activated - won't power on
I would get it fixed at a Yamaha Service Centre, as you don't have the test equipment to find which failed component is causing it to shut down and protect itself.
The only thing you might try is looking for bulging or split capacitors. That WOULD cause circuit protection, because they are power stores and smoothers.
How to reset yamaha R-N402 power protection circuit
This is directly from the service manual for the R-N402: Hold the left preset button (<) and the bass (+) button and press the power button and then release. The receiver will disable the power protection and turn on in self-diagnostic mode. My device is working correctly now. :)
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