Yahama RX-V1400RDS in 30 seconds Standby repair

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  • samtron786
    Senior Member
    • Aug 2016
    • 161
    • germany
    #1

    Yahama RX-V1400RDS in 30 seconds Standby repair

    Yamaha RX-V1400RDS (titan) THX Select Receiver with 7 power amplifiers and room acoustic analysis / equalizer
    After being switched on, the device jumps to standby for approx. 30 seconds and does not work anymore and you have to switch it on again and after 30 seconds the same problem

    thank you
    Tags: None
    • CapLeaker
      Leaking Member
      • Dec 2014
      • 8179
      • Canada
      #2
      Re: Yahama RX-V1400RDS in 30 seconds Standby repair

      I think you have to explain your problem in much better detail. Did you try different output modes, or other settings? Does it display an error message? etc.

        Comment

        • samtron786
          Senior Member
          • Aug 2016
          • 161
          • germany
          #3
          Re: Yahama RX-V1400RDS in 30 seconds Standby repair

          Hello.

          I have a Yamaha RX-V 1400RDS here, the receiver is about 5 years old.
          The receiver can no longer be switched on.

          At first it started after being disconnected from the network and then ran for hours.
          Now it can no longer be switched on.
          The device never got too hot.
          He was often on standby for a long time.

            Comment

            • samtron786
              Senior Member
              • Aug 2016
              • 161
              • germany
              #4
              Re: Yahama RX-V1400RDS in 30 seconds Standby repair

              nobody can help me?
              Thank you

                Comment

                • CapLeaker
                  Leaking Member
                  • Dec 2014
                  • 8179
                  • Canada
                  #5
                  Re: Yahama RX-V1400RDS in 30 seconds Standby repair

                  is it totally off or stuck in standby mode?

                    Comment

                    • samtron786
                      Senior Member
                      • Aug 2016
                      • 161
                      • germany
                      #6
                      Re: Yahama RX-V1400RDS in 30 seconds Standby repair

                      The following error pattern:

                      After switching on via the power / stby button at the front, relay R371 clicks, the display goes on and after 1-2 seconds it goes off again with another click of the relay.

                      The process can be repeated over and over, nothing changes. During the time the display is briefly on, you can change settings such as volume etc.

                      Nothing is connected to the device and the inside is cleaned.

                        Comment

                        • wazzadj@hotmail.com
                          Wazza
                          • Nov 2017
                          • 57
                          • Australia
                          #7
                          Re: Yahama RX-V1400RDS in 30 seconds Standby repair

                          Its sounds like a Output transistor is Bad or a leaking Monolythic cap on the power supply board which is separate from the main board look at the relay their are two caps their the one that runs off the relay line is leaking
                          22nf from memory I don't have the schematic in front of me
                          I work on these units all the time and its one of 3 things
                          the other problem is the Bios chip on the Digital board can go corrupt
                          check the standby circuit is getting a 3.3vdc pulse when you push the power button
                          check the relay at the power supply is seeing the 2.3v signal

                            Comment

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