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
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Posted on Jan 02, 2017

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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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10 posts - ‎6 authors Posted: Sat Aug 29, 2009 1:26 pm Post subject: Yamaha RX-V650 won't power on ... When i came back from a holliday, my receiver won't power up anymore. .... isn't powered (no voltage on the base) when the receiver doesn't comes on.

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Does the receiver work OK?
These are probably electromechanical switches (called relays) which yamaha uses a lot. They use electricity to connect/disconnect something by magnetic force and this causes the "clicks". It is used for example to connect the speakers to the output of apmlifier only after it has finished initializing to protect both the amp and the speakers.
When I turn on my RX-V465 I hear at least one click, it is probably connecting power to the amp. When turning it on with Radio button on remote I hear 3 clicks over 2-3 seconds.
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Yamaha rx-v650 wont come out of standby, fuses ok switchmode ok no display at all fault pointing towards microprocessor problem.


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Doubt it would be a micro fault.

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It sounds to me like an audio enhancement filter is malfunctioning. The pure direct on / off is a sound filter to alter the sound performance of the receiver. There is a rare possibility that there is something wrong with one of your speakers- causing certain circuits in the receiver to malfunction. A way to check for this is to connect only one speaker and an audio source. test each channel first(without pure direct) by connecting the speaker to a channel and then disconnecting it, and connecting it to a different channel repetedly, until you have gone through all of the channels. If you really wanted to pinpoint such an anomaly, then you would need to do it with every speaker through all of the channels to make cetain that this is not the case. But then again this is not very likely. I would personally just use the mode that seems to work, because something is obviously malfunctioning, or possibly burned out. And repairing it is most likely costly! I hope that you can get something out of my answer! sorry! Good Luck!

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3 Answers

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.

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is it pl;uged direct in wall must nbe on a nice hi end break surge proably got zapped transisters in it best to try to replace it u can try to un plug it from that outlet few min then back in anther one

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