Question about Yamaha RX-V661 Receiver

2 Answers

I have a yamaha receiver that turns off immediately after it is turned on. It makes a clicking noise then turns off and lately it clicks and doesn't turn on.

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  • azam187 Aug 14, 2009

    Actually once it is off, I cannot turn on again using the remote control, the only way to turn it on is to unplug the electric wire wait for about an hour then plug it back on again and turn the receiver on. So, I already had figured this out but again it will work for about 10 to 15 min then it will turn off by itself. I read the solution and I checked all the connected speakers all of them seems to be connected correctly, I even unplugged all the speakers wires and plugged them back again, but the same thing happed, the receiver worked for a short period of time. However, the only speakers that I could not check are the once mounted on the ceiling and the once outside in the backyard, those I have no access to them.

  • azam187 Aug 16, 2009

    Yes, the solution was very helpful, I never gave a negative feed back, I just wanted to know more because I already did the first part of your solution before I sent my problem. Thank you for the second comment too :)

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  • Yamaha Master
  • 19,396 Answers

Your unit is on protect mode. This happens because an internal fault had been detected, and the protection circuit keeps turning off the unit to prevent further damage, hence the clicking noise. The clicking noise is the protection switch that keeps turning off the receiver.

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 receiver does not start, 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.

Posted on Jul 14, 2009

  • Ginko
    Ginko Aug 15, 2009

    To check the speaker you just disconnect them two by two and see if the unit stays on. You do not need to go to the roof.
    If it stays on 10 15 mins and speakers wires are fine, then there may be a blown capacitor on psu, or a transistor/power amp IC on amp final is bad.
    In that case the repair is done looking for bulged or leaky capacitors on power board or by testing the components on amp final section.
    Ensured that you tested the unit with a minimal set of good speakers and that the AC socket you are using is well grounded.
    Sorry that you gave negative feedback.

    Goodbye

    G.


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  • Master
  • 6,784 Answers

HI. this clicking sound is coming from the actual power sector(board). there is a relay on this board(power relay/circuit protector). it will not allow the unit to fully operate when there is a malfunction detected. This is a basic circuit failure. The power sector may have several components that are down at this moment. the bad news is, almost all Yamaha repair procedures will need to be sent it to be initiated. A Yamaha service depot or local tech service department will be needed in this case. the power board, and its components, are not available for consumer purchase.

Contact Yamaha for a repair ticket if possible. the power board will need to be replaced asap.



((Most older models will have an in line fuse that will absorb most power surges that will take out power sectors of this nature. Unfortunately, your unit dose not have this fuse.))

Posted on Aug 14, 2009

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