Question about Yamaha RX-V800 Receiver

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I have an old but "pretty" Yamaha CR-620 receiver that died abruptly 10 years ago. I dug it out the other day and have removed the outer shell. I've got power light, signal strength on meter but no sound. Others with similar symptoms have been steered to examine protection circuit and saying that speaker relay not closing? Should I be checking power output transistors as the next step? I'm pretty much a rookie though I used to built heathkits so I do have some equipment. Thanks Bob in Golden Valley

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  • David Dunn
    David Dunn May 11, 2010

    You would hear the relay click after a short delay once power was applied. No click, no speakers. Protection means heat, shorts or opens.



    I'd recommend getting a better high level feel for what is and isn't working before doing surgery. I have fixed things til they were broke in my time.



    Try using the FM tuner as a signal source. Make sure it has something to send to the speakers. If you have an external device that takes Line Level like a tape deck you can trace the presence of a program within the receiver by using its record meters.



    Don't let the old Tape Monitor fool you, either.

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5 Suggested Answers

techman
  • 3130 Answers

SOURCE: Double clicking sound- no power

The relay contacts are most likely bad in the relay and will most likely happen again. If you know how to solder, take out the relay and look up the numbers on the internet and see what you can find. If not, try to find where the manufactuer is located and call them to see where you can get a new relay. Good Luck

Posted on Mar 28, 2007

  • 1 Answer

SOURCE: Yamaha HTR-5990 Receiver

I JUST EXPERIENCED THE SAME SITUATION HERE IS THE SOULTION YAMAHA SENT ME TO RESET THE SYSTEM HTR-5990 YAMAHA HTR-5990 FACTORY PRESET PROCEDURES All models require the STANDBY/ON button to be turned OFF to start the reset process. NOTE: The remote control cannot be used during the reset procedure. All necessary buttons to complete the reset process are located on the front panel of the receiver. This procedure is not intended to correct intermittent shut-off symptoms or problems MODEL: HTR-5990 (U.S.A. model/s) (BEFORE YOU CONTINUE, PLEASE READ THE ABOVE NOTES!) 1. Before you start this procedure, locate the MASTER ON/OFF button and the STRAIGHT/EFFECT button on the Front Panel of the unit. 2. MAKE SURE THAT YOUR RECEIVER’S MASTER ON/OFF HAS BEEN TURNED OFF. 3. With the Right Hand, press and hold the STRAIGHT/EFFECT button. With the Left Hand, press the MASTER ON/OFF button and HOLD both buttons for no more than “3” SECONDS, AT THE SAME TIME. SP IMP. * 8 MIN. will appear on the display, which indicates you are in the Diagnostics Mode. 4. Rotate the PROGRAM KNOB to the right (ONCE) until the display reads PRESET *CANCEL. 5. Press the STRAIGHT/EFFECT button (ONCE) and the display will change to PRESET RESET. 6. Turn the unit off by pressing the MASTER ON/OFF button. 7. Wait 5 seconds, then turn the unit on by pressing the MASTER ON/OFF button. You have now reset your component to the factory settings. NOTE: Yamaha receivers don’t have to be reset during normal operation. It is not recommended that you reset the receiver unless a setting has been changed that you are not aware of, or the receiver is not operating properly. The reset procedure will clear an incorrect setting that might be causing abnormal operation. GOOD LUCK

Posted on Jul 30, 2007

  • 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

  • 1 Answer

SOURCE: my yamaha htr 6050

Make sure your audio output on your PS3 is configured properly. You have the ability to chose which port the audio is coming out of.
The 6050 does NOT process audio signals coming in on the HDMI port. The amp is weak, I had one. With the 6050 you will have to use the AV multi coming out of the PS3 and use the special cable that came with the PS3 to convert that signal to the RCA and connect that to the 6050.

Posted on Jul 27, 2008

smarthome2
  • 1114 Answers

SOURCE: Yamaha RX V 657 - No Sound Output, and No input detection

Bad DSP chip. The only other possibility is if you have the "Direct" on. On the front of the receiver it's a small button. Also make sure your "Speaker Select" A/B is "on" You will see it on the display, it's also a small button on the front of the receiver. If all this is correct and you still have no audio, it's a bad DSP chip. Not worth repair, it's 400-500 repair. Not very common in a Yamaha RX-V series, but I have seen it. I'm a Yamaha Dealer. If you need further help, post a comment and I will be glad to help you further.

Posted on Aug 23, 2009

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