Question about Harmon Kardon Harman Kardon Avr 254 7.1 Channel Receiver

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I have the Harman Kardon AVR 254. Just recently it stopped responding. It will cut on and the volume dial will respond but none of the front panel buttons will. Any suggestions on a fix?

I found the thread discussing a fix for this but it was incomplete and I have not been able to complete the job.

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  • Harmon Kardon Master
  • 1,054 Answers

There should be two fuses on the secondary board of the main power transformer. They don't look like regular fuses - they are small round can fuses. These are probably open. HK under-valued these fuses originally, and they need to be replaced with 3.15 amp.

Posted on Jan 17, 2013

  • Cameron Shiflett Jan 26, 2013

    How do I identify the right 2 fuses? There are several on the power board? What do you mean by they are probably open? And how do I replace them. What is involved. I\'m sorry I don\'t fully understand yet. Please help.

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You can check all your speaker wires for shorts, as well as try the reset to factory defaults procedure found in your owner's manual, but I doubt this will resolve your issue. If you require more assistance, or would like to inquire about repairing your HK, please visit my website at audioserviceclinic.com, and contact me there. BTW, I worked for Harman as technical support for all Harman, JBL and Infinity products. Thank you.

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ok
The reason your receiver is causing you issues is cause of a 2 time Delay fuse's on the transformer board all you have to do is to by pass them.
Check the connector on the top front of the HDMI board. at the bottom of the connector it tells you the voltage of each wire the middle one is GND. should read 1.8v and 5.6v if the 5.6v line is dead. you key's in the front panel and sometimes video and audio as well.. will also stop working. all you have to do is to by pass them.

I will be posting a video later today on how to fix this issue. Regards,
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ok
The reason your receiver is causing you issues is cause of a 2 time Delay fuse's on the transformer board all you have to do is to by pass them.
Check the connector on the top front of the HDMI board. at the bottom of the connector it tells you the voltage of each wire the middle one is GND. should read 1.8v and 5.6v if the 5.6v line is dead. you key's in the front panel and sometimes video and audio as well.. will also stop working. all you have to do is to by pass them.

I will be posting a video later today on how to fix this issue. Regards,
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I am having the same problems with my AVR 254, did you find a solution?

Thanks

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