Question about Yamaha RX-V657 Receiver

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Unit won't turn on.

My unit won't power on and I have tried everything in the manual reguarding trouble shooting?? Please advise?

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Re: Unit won't turn on.

My unit turned on and off a few seconds. I try several times and no lights. When disconnecting the power supply of A / C back and does the same.

Posted on Sep 28, 2008

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Won't turn on

Unplug the unit , leave it unplugged, after an hour remove the top cover, look for a fuse near where the power cord enters the unit
. it will be near the power transformer and labeled F1 they are usually 4.5amp 125/250v. the reason for powering the unit down and leaving it off is to let the power capacitors bleed off.some fuses are in holders and some solder in. Hope this helps. If the unit has a bar code anywhere on it you can read the bar code with an app for cell phones and get all the info there. Also try

Apr 29, 2014 | RCA RTD615I 5.1 Home Theater System - 600...

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Hi receiver is having intermittent problems with power up & off. at the moment it would only turn on once in 5 times i try to turn on. At one stage it would turn off but then back on again within five...

I got Yamaha RX-V3800 with intermittent power.
Cause by capacitor C4 22nF 630V on the control power board.
After replacing the capacitor, receiver again working OK!

Feb 13, 2011 | Yamaha RX-V3800 Receiver

1 Answer

Onkyo TXSV 727 receiver. Are ther fuses on the speaker outputs .

there are always fuses for the amplifier/ac power.unplug the unit from the wall and remove the outer rear shell. the fuses will be visible on the main board.( round glass cylinder looking type) I also attach a link for the user manual look at the trouble shooting portion. hope this helps please rate.

Dec 31, 2010 | Onkyo TX-SV727 Receiver

1 Answer

When push the power button, I can hear a relay click but the unit will not power up. I took the cover off and fuses are good. Can't find anything in the trouble shooting section of the manual. What do you...

When the unit functions correctly, you should hear 2 clicks. The first is the power relay that "starts" the unit. The second is the speaker protection relay that will kick in the speaker connection. If you do not hear the second click, the unit is in protect mode. This means that a problem was detected in the amp section and the unit is prevented from connecting the speakers. This is done to prevent further damage. Typically the output transistors fail and cause this. Expect a parts cost in the $25-$50 range for this repair.


Sep 30, 2009 | Yamaha RX-V1500 Receiver

1 Answer

Protect keeps flashing

Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

Apr 23, 2009 | Sony STR-DE475 Receiver

1 Answer


You cannot disable it. It is meant to protect the unit from producing more power than it is designed to. When you turn it on, turn the volume all the way down. Beyond that consult the back of your manual for trouble shooting and service information.

Dec 17, 2008 | Sony STR-DE845 Receiver

2 Answers

HK AVR130 Standby Button not working

I am experiencing a simular problem; amber light stays on ; no other lighting appears. this occured after leaving the avr in standby mode for a long time. I even tried to reset the unit as stated in the last page of manual after the trouble shooting advice - still no response - good luck!

Sep 18, 2008 | Harman Kardon AVR 130 Receiver

1 Answer

My Harman Kardon AVR 135 6.1 needs repair

You can bring your unit to Digital Dreams in SM North Cyberzone or in SM Megamall. They carry Harman Kardon brand and they accept unit for repair.
Hope this can help you.


Sep 28, 2007 | Harman Kardon AVR 135 Receiver

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NAD 705 out if order

This seems to be continuin problem with those. Not sure of exact fix yet, but believe it is just a fuse or bulb that needs replaced.

Sep 01, 2007 | Audio & Video Receivers

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