Question about Sony STR-DE345 Receiver

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

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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.

Posted on Jul 16, 2009

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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

Is there an internal battery on the STR-DE345 Sony receiver for the pre-sets? Can it be replaced if there is. Receiver no longer holds pre-sets when there is a power outage.


There is no battery to replace to hold preset channels. The preset channels are held by a charged capacitor to maintain the nominal voltage level to the PLL (phase lock loop) tuner. The capacitor can only hold the charge for a few hours, and then it will slowly discharge - for like a short power outage.

Dec 24, 2010 | Sony STR-DE345 Receiver

1 Answer

The display say "PROTECT" whenever you turn it on.


your sony channels receiver it says protect bec ther is to much power on the speakers to fix it get les powered speakers then it will work

Jul 26, 2010 | Sony STR-DE345 Receiver

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

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

1 Answer

Sony STR-DE545 Amp


Find the user manual under product details.

Mar 09, 2008 | Sony STR-DE345 Receiver

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