Question about Yamaha RX-V650 Receiver

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Yamaha RX-V650 won't power up - blue 'Pure Direct' light comes on

I have a Yamaha RX-V650. When plugged in the 'Pure Direct' blue light comes on, and nothing else. Tried using the power button, remote power button, verified the two fuses on main power board are not blown...
I suspect, but can't confirm a power surge when I was on vacation, but the unit is plugged into a surge suppressor.
Any suggestions?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 4234 Answers

SOURCE: Yamaha RX-V420 No power

If the standby voltage exists, the next step is to see whether or not the clock is working. Find the main micro chip. There should be a 3 legged crystal close by. You should see this oscillate (use a scope). No oscillation = no micro control = no turn on. It is possible that the micro is bad or the crysal is bad. Also, check to be sure that the output transistors are not shorted. It is also possible that these are preventing the system from turning on.
Dan

Posted on May 12, 2008

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SOURCE: my yamaha rx-v461 won't turn on

Check the main fuse

Posted on Aug 22, 2008

  • 1 Answer

SOURCE: Yamaha RX-V630 Doesn't power on!

I have the same problem.

Posted on Sep 04, 2008

  • 1 Answer

SOURCE: Direct TV remote code for yamaha rx-v463?

It is 30376. The trick to discovering, is to turn the receiver off, first. Then it will power on when you input mute/select 30376. Then you can program the DirecTV remote to adjust volume (in AV2 mode only or in all modes). However, it will only power up the receiver. It has to be turned off with the original remote or at the receiver itself.

Posted on Feb 22, 2009

ButtFuzz
  • 463 Answers

SOURCE: Yamaha RX-V650 receiver won't power on.

You've probably already tried this, but...

Disconnect power from the mains, remove lid.

Reseat all the low-power connectors in the unit.

Check the thermister on/near the main transformer.

Check capacitors on or near power supply for obvious anomalies (fattness, leaking, smoked, etc.)

Replace lid and, plug back in, do a rain dance and hope.

Posted on Mar 04, 2009

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Doubt it would be a micro fault.

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