Question about Harman Kardon AVR 335 Receiver

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I'm looking some info on a diode that has cracked and the only thing about it is that its D788 in a Harmon-Kardon AVR 335

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D788 is a zener diode rated 5.6V 1/2W, part #HVDMTZJ5.6BT. It shouldn't be too hard to find one of those. Good luck with the repair!

Posted on Jan 10, 2009

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When i turn on my harmon kardon avr 165 it shows ''Protect'' and then it turns off again?? what can i do :)


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Can you advise me as to where (in the uk) I can obtain the .47ohm fusible resitors please for my harmon kardon 335. I have chnged the capacitor that was S/cct


try this link http://www.rapidonline.com/Electronic-Components/Resistors-Potentiometer/Low-Ohmic-Resistors/4W-Low-ohmic-resistors/65206 its in uk
the order code you will need is 62-7108 for that store
good luck

Dec 19, 2009 | Harman Kardon AVR 335 Receiver

1 Answer

I have an AVR 335 less than 3 years old no sound


Hello

Yes, there is something you can try, to know where to look for the problem if this happens again. If the receiver is still under warranty, just send it back, otherwise, open up the amp and trace the path back from the speaker channel to the capacitors on each channel, this is usually the problem(you should be able to see if it is blown, cheap to repair).

If all the channels went out at the same time, there is something wrong with the central unit, to repair that, if it is not the above problem, cost expensive.

Hope this can help you.

Kind regards
Andrea

Nov 09, 2009 | Harman Kardon AVR 335 Receiver

3 Answers

Harmon kardon 745 displays "unlock" no sound for tv or movies


I also had this UNLOCK message on my Harman Cardon AVR 130.
The reason for this error was - in a hurry I've plugged the optical input into optical OUT! Double check that your connections in the back are correct and hopefully it fixes your problem.

Cheers,
Sergey

Jan 11, 2009 | Harman Kardon AVR 130 Receiver

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