Question about Car Audio & Video
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Posted on Jan 02, 2017
There is a problem with one or both of the audio amplification circuits. The amp is going into "protect mode" to protect your speakers. I'm afraid there is no simple fix. this will need to go to the shop to be repaired...
...unless you have been tinkering with the speaker connections recently. In which case, make sure all connections are sound & there are no wires touching other wires. This causes a short circuit. Leave it disconnected from the mains overnight. There's a slim chance it might spring back to life tomorrow.
Good luck & let me know how you get on.
Posted on Jan 10, 2008
i have the same problem . denon had changed knob and circuits ?! one day later ... same issue !
i have 5.1 evo tangent 4-8ohms and 2 technics 8ohmsand i use frquently A+B configuration
Posted on Nov 08, 2008
SOURCE: Protection mode
It's normal for some amps to go into protect for a few seconds when initially powered up. If it remains in protect mode, it may have shorted output transistors. To eliminate other possible causes, read through the following troubleshooting page:
Amp in Protect Mode - Troubleshooting
Let me know if you have any other questions.
Posted on Dec 11, 2008
If your receiver is going into protect mode with all speakers disconnected, you almost certainly have a shorted output transistor. Unfortunately, Onkyo recommends that a total of 14 transistors (on most models, 16 on some) be replaced. To make matters a little worse, a couple of those can only be obtained from Onkyo parts department.
Posted on Apr 07, 2010
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