Question about Sony STR-DE345 Receiver

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I have a sony reciever STR-DE345 that had some water pour over the top of and blew the fuse. After replacing the fuse, when I plug it in it keeps blowing the fuse. There does not seem to be anything else wrong with the unit, that I can see. Why does it keep blowing the fuse?

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Shorted output transistors.

Posted on Jul 15, 2010

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Posted on Jan 02, 2017

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2 Answers

My sony STR-DE345 amp says "protect" and there is


The manual says it thinks there is a short circuit on the amplifier output side. If it still says Protect after disconnncting all the speakers wires there is an internal problem. Take it to a hands-on tech.

If the problem disappears, you had a short. Attach speakers one at a time to isolate the cause.

http://www.retrevo.com/support/Sony-STR-DE345-Receivers-manual/id/387bh943/t/2/

Dec 24, 2010 | Sony STR-DE345 Receiver

1 Answer

Fuse keeps poping, what other type of fuse can i buy for this, my model is STR-DE435 (sony)


If it keeps blowing the rated fuse you really need to take it in to a shop for further analysis. Using an incorrect, higher value fuse will only raise the risk of fire or more damage to whatever is blown in the unit.

Dec 08, 2010 | Sony STR-DE345 Receiver

1 Answer

I got to replace 2 fuses from a sound board of a reciever Sony STR-DE935 but I lost the old one and now I don't Know how many Amp and volts should I buy to replace it .where I can get it?


If its the sound board both fuses are the same. but if they blew you may have a bigger problem like output transistors shorted. But try replacing fuses first if they blow again thats your problem. Good luck

Jun 02, 2010 | Sony STR-DE935

2 Answers

Sony str-de345 this keeps on making a


the clicking is a power suplie overload some output amp is with problems and shutdown after overheat, when you tap is bad connection inside, normaly is related with sound off after 15min. needs to be checked by tech. to ensure perfect operation.

Jan 30, 2010 | Sony STR-DE345 Receiver

1 Answer

Sony receiver STR-DE345 OVERHEATED how do i fix it ??????


these do run hot, they don't have a fan so they need good ventalation. If your has completely failed you may be able to resolder the voltage str and stk voltage driver Ic's or replace them.

Jul 16, 2009 | Sony STR-DE345 Receiver

1 Answer

I have a Sony STR-D565 Receiver. I bought new


I resently hooked up my sony std d 565 reciever for 5.1 speakers and I keep hearing beeping, what is wrong?

Apr 04, 2009 | Sony STR-D565 Receiver

1 Answer

Protect flashing


es posible que un canal se ha dañado por lo que primero daño el fusible con la sobrecarga y posteriormente se daño el canal. es necesario se revisen las polarizaciones de los transistores para determinar el canal dañado,es seguro que el daño se encuentra en uno de los frontales.

Mar 21, 2009 | Sony STR-DE345 Receiver

2 Answers

I need a schematic or service manual for Sony STR-DE345.


hi,

i can download it for you..
visit this site for manuals of your unit it will help you answer all your questions.

http://www.free-service-manuals.com/Detailed/15736.html

thanks,

you rate in our answers are much appreciated..

Feb 19, 2009 | Sony STR-DE345 Receiver

2 Answers

Reciever not working


Are all the speakers GOOD and all connected right?
If so then you have at least one blown output amplifier module.

Feb 16, 2008 | Sony STR-DE345 Receiver

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