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Harman kardon Avr 254 fix. No video trying to find out which time delay fuses to bypass. Does anyone have a picture. Lost all video and front display locked up except for volume and radio

1 Answer

Mike LaPres

Master 757 Answers
Posted on Jan 02, 2015

Mike LaPres

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Joined: Mar 30, 2009

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I never recommend running video through any receiver. It's best to connect your playback or broadcast devices directly to your monitor.

4 Related Answers

Anonymous

13 Answers
Posted on Nov 26, 2008

SOURCE: Harman Kardon AVR 135 6.1....AUDIO DELAY???

This model does have a delay function. Programming is on page 19 of the user manual. Go to http://www.harmankardon.com/product_support/interstitial.aspx?sJump=ps&Region=USA&Country=US&Language=ENG select all products, AVR135, and get the owner's guide. If you have trouble with the link, then go to the Harmon Kardon site, and make your way to the support portal and then select all products.

Anonymous

1 Answer
Posted on Apr 03, 2010

SOURCE: Harman/kardon avr 247 no audio or LED display on the reciever

I've had the exact problem. HK in the states is no help, you need to deal with a company in Montreal (Jan Industries). Regular techs are unable to fix it without schematics that only authorized dealers have and the manufacturer. This problem happened to me just after 2 years and outside warranty. I've bought a Yamaha today.

Anonymous

2 Answers
Posted on Apr 10, 2010

SOURCE: My Harman Kardon AVR 254 is not responding. None

I am having the same problems with my AVR 254, did you find a solution?

Thanks

Pekka Jalomaa

3 Answers
Posted on Dec 09, 2014

SOURCE: I have a harman kardon avr 745....looks frozen

My device is AVR 645, but AVR 745 has the same power regulator board and you could check, if the problem is there.
(AVR 645 volume blue light was not pulsating)
When device is turned on, it shows all display indicators,
no blue light on volume button and no response to any remote or front panel buttons.
Reason for failure:
No 3.3V and 5VD voltages.
I checked bridge rectifier D701 on power regulator board.
One of the diodes was shorted. Also fuse F702 was blown.
Original D701 is KBU6G, but because regulator board is a bit difficult to get out, I decided to use KBU8G. The only difference is Amps rating 6A versus 8A.
Be sure to use SR-5-3.15A fuse to replace F702 and use heat sink paste (you know where) when board is reinstalled.
There is large heatsink in the middle of the receiver. Power regulator board is mounted on the right side of that heatsink. It is down there near the front panel and to get it out you most probably first have
to remove two PCBs hindering access to some regulator component screws. Here are pictures to clarify situation:

harman-kardon-avr-745-looks-frozen-igzigj2finjgh1nndvq1cugs-5-0.png

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Related Questions:

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1answer

I have lost all sound from my left front speaker on my AVR 135 They are Bose spreakers The system is 13 years old. Is it woorth fixing?

anything that works well is always worth investigating for a repair
it could be a simple fuse for that side amplifier, loose , broken speaker wire
have it checked out and then decide if it is worth repairing

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Sep 25, 2016 • Harmon Kardon Harman/kardon Avr 130 5.1...

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1answer

Harman kardon avr 254

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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Mar 23, 2014 • Harman Multimedia AVR-254

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1answer

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?

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.

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Jan 17, 2013 • Harmon Kardon Harman Kardon Avr 254 7.1...

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1answer

Monitor output signal

Email or call the manufacturer

http://www.harmankardon.com/EN-US/Products/Pages/ProductSupportDetails.aspx?PID=AVR%20254

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Aug 27, 2012 • Harmon Kardon Harman Kardon Avr 254 7.1...

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1answer

I need 2 find a remote 4 hk avr 254 i need part number and where can i get a remote

You can buy it directly from Harma Kardon website.

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Mar 28, 2010 • Harman Multimedia AVR-254

8helpful

4answers

AVR 254 is not responding. None of its front panel buttons are working (except volume). Same thing with the remote. I noticed that in the front panel area, the speaker icons in the Speaker/Channel Input...

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,
Search for AVR 254/354 fix

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Mar 16, 2010 • Harman Kardon AVR 325 Receiver

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1answer