Question about Sony STR-DE545 Receiver

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Sony Receiver STR-DE545 wont turn on - have touched up suspected dry joints on 1st stage PCB - only first relay clicks on - 240v at one side of first small trasformer but not at the other side so i think this transformer is no good - could anyone please help Thanks Brad

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

The Marv
  • 72 Answers

SOURCE: phono input

I am not really familar with this receiver but almost all phonograph must go into a phono in. Due to the fact that a phonograph does not have whats called a pre amplifier. generally the receivers have a phono in and that input has an more sensitive amplifier cicuit in the input. That is why if you plug it in to something else unless it has a preamplifier the sound will be real soft. I think Radio Shack sells a amplifier you plug the Phonograph into one side and the other side into the receiver then you can use any input you choose.

Posted on Aug 29, 2006

Noggin
  • 944 Answers

SOURCE: sony receiver str-da2000

Here is the link for the user manual if you need it; http://esupport.sony.com/US/perl/model-documents.pl?mdl=STRDA2000ES®ion_id=1 Check page 54 for details of the error message - it should disappear if the speakers are connected properly and the unit is switched off and on. Check page 17 for speaker connection details, and ensure they are all correct. Check page 19 for details of the factory reset/memory clearing. Hopefully this will clear the error code and let you set the unit up. Hope this helps, please ask again if no luck :)

Posted on Jul 14, 2007

pishta68
  • 579 Answers

SOURCE: STR-DE545 Receiver -

I just turned my DVD player off when my STR-DE545 was still in DVD input mode and it came up LOCKED, maybe the input that you are using is not receiving a signal?

Posted on Feb 24, 2008

  • 1 Answer

SOURCE: STR-DE545 Receiver -

Turn the reciever off. Count to 9 slowly. Press the setup button and power on at the same time.let t run its demo. Turn the power off. count to 8 slowly. Turn the reciever back on. Porblem solved?

Posted on Aug 23, 2009

  • 118 Answers

SOURCE: I have a Sony STR-D965 receiver that has worked

its a common problem when the amplifier outputs are shorted and need to be replaced. put tinfoil on the fuses and watch it smoke

Posted on Nov 04, 2009

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Sony STR-DB 930. Intermitent sound quality from front speakers ( low then loud ) with sharp clicking noises like relay switches clicking on and off. Thanks Dave.


I have had this problem which then developed into the unit going into PROTECT mode. This is typically caused by the relays and perhaps some other components developing dry joints over time. I had a professional refresh the solder joints and it works perfectly now

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pls. open H-output trangister and out side of pcb and check voltage B+ 135v dc is ok ?.
if yes.then ...H-OUTPUT trangister checked and replace
if not then check SMPS .
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The symptoms seems very likely that the solders on the PCB have cracked. These are the solder on the contact points with the "Blue Relays". Removing the various small boards and pulling out the main board is relatively easy. But to solder, you need the soldering gear and skills. If not done carefully, the whole board can be ruined. Taking it to a small repair shop and getting it soldered will be a better option.

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STR-DE545 Receiver -


I just turned my DVD player off when my STR-DE545 was still in DVD input mode and it came up LOCKED, maybe the input that you are using is not receiving a signal?

Feb 03, 2008 | Sony STR-DE545 Receiver

1 Answer

Sound problem


it's most definately dry solder joints on the main PCB.
this is very common on this model and the DB-940.
these generate alot of heat when in use and is also the cause of the problem.
you may also hear the relays clicking from time to time and this means they'll need resoldering too.

hope this helps.

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Are you connecting from your DVD player to receiver using an optical cable or simple AV cable?

Nov 06, 2007 | Sony STR-DE545 Receiver

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took apart my reciever and found that the blue relays in back in the middle are starting to malfunction. I tapped on them and they clicked. When I tapped the right one, i got the sound back in my center speaker.

Oct 30, 2007 | Sony STR-DE545 Receiver

1 Answer

Sony STR-DE545 receiver


You should have access to receiver's format from remote or front panel. If the unit was moved around a lot and for a long period, the micro-processor may have locked due to ambient static electricity. Try unplugging unit for seversl hours, then re-try

Aug 19, 2007 | Sony STR-DE545 Receiver

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