Question about Denon AVR-2803 Receiver

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Receiver requirers replacement of blown out put transistors

Only pasifying myself with a yamaha 6.1 that i purchased , because i
absolutely refuse to pay the absurd repair quote /fee that a retailer
gave me. all the while feeling screwed because i had just had this retailer replace the out put speaker jacks that i may had over tightened. anyway the unit was working great and right after i have returned a puff
of smoke comes out it, i contact them regarding faulity repair. i was
just blown off. this was not happenstance. PLEASE GIVE ME A REPLACEMENT quote on these 2 out put transistors. By the way that
retailer is now going out of business . Karma?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: Denon AVR-810 going into PROTECTION mode

It sounds like there is a problem with the differential circuit. The bias I am not sure about, as every unit is different. You should get the service manual to be sure or call Denon and see if they can give you an idea. Good Luck

Posted on Jun 05, 2007

  • 979 Answers

SOURCE: Denon AVR-3000

First, check your balance control and make sure that it is centered. Next, you might have anything from a bad output relay or fuse to a bad driver/component...accordianman

Posted on Oct 25, 2007

robotek
  • 1512 Answers

SOURCE: Potentiometer and output transistors

Try sony for the transistors, they use them too, but expect a handling and delivery charge from all suppliers these days. It sounds like a standard 330 ohm preset pot by your descriptions. There are more than a dozen varients to chose from. You will need to compare the lead setup and pitch to get the correct replacement. I use Farnell electronics to mix and match odd replacements. Good luck

http://www.farnell.com/

regards
Graeme

Posted on Feb 19, 2008

  • 1 Answer

SOURCE: Zone 2 speakers will play from tuner but not from cd player

I have the denon as well two zones. 5 speakers inside and 2 speakers outside- can you play both zones at once? meaning can i watch tv in the 5 zone area inside. And play my IPOD in the outside speakers at the same time? PLEASE HELP! thx

Posted on Aug 06, 2008

the q guy
  • 393 Answers

SOURCE: fuzzy sound from front speaker

you have a small short in the connection of the unit.. it may be just bulid up which can be fixed by just blowing compressed air thru it. but if it more than that take to a repair shop as it could be an intenal problem

Posted on Apr 27, 2009

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1 Answer

I have yamaha htr-5990 it only has 6 ohms to 8 ohms I just bought some Bose 401 there 4 ohms will this work or will it wreck receiver or sound bad


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if you can identify whats blown what ic or pcb board. you can get it replaced through yamaha. or many other various used reciever parts lists online. If you wanted to identify the transistor thats blown find it online and just resolder that one you could do that. But id say try and look into a replacement of the board. if you shorted the poles, then there will be a lot more damage on that channel then the amps final maximizer, or amp as you refer to it. -Thanks Nate

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If the problem was blown "output transistors" expect a cost of about $6-$8 per transistor (there are 4 total in the receiver) plus a few bucks for an emitter resistor and perhaps $2 each for the driver transistors (4 max per receiver). Also add in the local labor rate.
Please note that these are estimates and that additional parts may be required depending upon how smoked the output section actually is.
Dan

Mar 25, 2008 | Audio Players & Recorders

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