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SONY STR-DE505 question...

Discussion in 'Electronic Repair' started by none, Jan 13, 2005.

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  1. none

    none Guest

    I've got a Sony surround sound reciever on my bench, model# STR-DE505.
    A question for any familiar with these units.
    When I power it on I get a normal display for about 5 seconds then it
    flashes "protect" on the lcd display.
    Anyone tell me what most commonly causes this?
    TIA
     
  2. A blown amp channel, or a bad driver IC.

    Mark Z.
     
  3. Bob Urz

    Bob Urz Guest

    Solder up EVERY suspicious connection, then go with marks suggestions
    if it still does not work. For whatever reasons, some sonys seems to run
    way hot at eat up the solder connections faster than others.

    Bob
     
  4. none

    none Guest

    Many thanks. I'll start with those two.
     
  5. Sent the service manual PDF via e-mail - let me know if you don't get it.
    It's about a 6.6 meg file.

    Mark Z.
     
  6. OK, I guess it didn't get through. Yu can e-mail me direct at:



    and insert "labolgcbs" backwards.

    Mark Z.
     
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