Why does my amp keep going in and out of protection mode?

If the amp still goes into protect, you have a bad speaker wire or the wire is shorted to chassis ground. If the amp only goes into protect when one particular speaker is connected to the amp, you have a defective speaker. . If you read 10v or more, the amplifier may have a shorted transformer.

Why does my Sony STR D665 say protect?

I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this? It does it regardless of anything connected to it or not. That is usually caused by a short in one of the speakers.

How to fix Sony receiver ” protect ” mode?

Sony receiver “protect” mode? I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this?

How to repair a Sony str-dg720 audio receiver?

The repair of a Sony STR-DG720 audio receiver in the protect mode. involves replacing power amplifier output transistors, emitter resistor and base drive resistors. Category Science & Technology Show moreShow less Loading… Advertisement AutoplayWhen autoplay is enabled, a suggested video will automatically play next. Up next

Why is my str-k740p in protect mode?

The STR-K740P protect error usually occurs in the form of “PROTECT” flashing on the display, and this article looks into how to fix this error and bring the amplifier out of this mode. The purpose of the protect error is to protect the amplifier components from damage should a short circuit occur.

I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this? It does it regardless of anything connected to it or not. That is usually caused by a short in one of the speakers.

Sony receiver “protect” mode? I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this?

Why does my Sony receiver Blink ” protected “?

Sounds like there is a short in the speaker wires. Couple things you could do to check this: There is no way to bypass the Protection mode other than fixing the problem. The protect is there to protect the rcvr and you from a more costly mistake. Unplug it for a while.

Is there a way to reset the Sony receiver?

I believe to reset the receiver, you have to hold the power button on the receiver itself for more than 5 seconds.. maybe even 10 seconds. This will reset it and it may go into demo mode. The protection circuit will cut in when there is a short.