Question about Harman Kardon AVR 335 Receiver

1 Answer

Blown front channel?

I am the original owner of the receiver and she has been great up until now. She has never been pushed too hard for long periods of time and i have a fan wired in that turns on when the receiver is on so there i haven't cooling problems. I waz watching a movie and noticed the i waz missing sound, did a channel check and discovered that my left channel waz out checked all wiring and all ok. i lost my front left. I haven't herd a pop or anything. Is there a reset or am i screwed.... Thanks Paul

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  • Harman Kardon Master
  • 15,633 Answers

Hook one of the other speakers to it to see if the problem is speaker or amp.

Posted on Dec 26, 2013

  • Paul Rose
    Paul Rose Dec 27, 2013

    Ive already tried that. I First checked if one of my connections came lose, and still nothing. I disconected the speaker and reconnected, nothing. I did the same with the amp side, nothing. I pulled the amp side and connected a battery to check for wire/speaker connection, check good reconnected wire to amp, nothing. connected wire to a known working channel, good connected another speaker to amp nothing.

  • Paul Rose
    Paul Rose Dec 27, 2013

    Ive already tried that. I First checked if one of my connections came lose, and still nothing. I disconected the speaker and reconnected, nothing. I did the same with the amp side, nothing. I pulled the amp side and connected a battery to check for wire/speaker connection, check good reconnected wire to amp, nothing. connected wire to a known working channel, good connected another speaker to amp nothing.

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Posted on Jan 02, 2017

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SOURCE: No audio

I know that a couple of you have had the same problem with the blowing 0.47 ohm resistors. I had responded quite a wile back, but forgot to make any updates. Kostiko is correct about the problem relating to these two 0.47 ohm resistors being blown. In my case on two different Haman Kardon models, this was true, but there could also be another issue. What i have found is even after replacing these resistors, the problem appeared to still be there. What was happening was that right after turning the receiver on, the resistors would blow again. What you need to do is replace the two small ceramic disc style capacitors on the same pcb as the fusible resistors, as they could be shorted as in my case. You could remove these capacitors completely, or replace them with a similar size of the same type, as they are really just there for filtering higher frequency noises from the power supply. You can check them with your multimeter first. They shouldn't shorted even in situe. I forget the size, but they are approximately 100 nano farads. Good luck. I have done this to my AVR135, and it has been running great for about 6 months now.

Posted on Feb 03, 2009

  • 4 Answers

SOURCE: No sound from "Front Right" channel

I had a similar problem and i took mine back to circuit city and they told me it was a blown channel, which made since because i was pushing the receiver very hard when i first bought it.

Posted on Nov 29, 2007

  • 1 Answer

SOURCE: no sound on tv after watching a movie

It was just a loose connection.

Posted on Dec 15, 2008

dunnbiker
  • 8546 Answers

SOURCE: Harman Kardon AVR 340 Receiver Has no sound. It

What is the state of the indicated but inidentified digital source? It's trying to tell you to check IT.

Posted on Sep 11, 2011

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Hello

If it is only one channel which is dead, you might just be in luck.
If the amp is still in the warranty period, just send it in, if you open it up, you will loose your warranty.

If it is out of the warranty period open up the amp. You should see the circuit board now and it should look something like this.e1de0ce.jpg

Okay, now follow the path on the circuit board on the channel which is not working. On the path you should see the capacitors looking like this.

155be93.jpg

Now, it s usually a loose or blown capacitor, you should be able to see very clearly if the capacitor on that certain channel is blown. If you can solder a new one in, if you dont know how, just send it in for repairs, wont cost a lot.
If it is a loose capacitor you should be able to feel it, just have a look, if there is something blown you will notice it quickly. You should also be able to smell a sharp smell.

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