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Sony Vega 32" won't start

Discussion in 'Electronic Repair' started by Jade Dragon, Jan 9, 2005.

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  1. Jade Dragon

    Jade Dragon Guest

    We have a 32" Sony Vega which is out of warranty. Less than one week
    after the warranty expired we had a problem with the "red
    screen/blue-purple screen". An authorized Sony repairman fixed the
    problem. Less than a year later, after being unplugged prior to the
    start of a storm, the tv stopped turning on. On occasion, we try to
    turn it on, and sometimes it does start, and runs properly for awhile.
    It seems that each time it is unplugged, the problem returns. Having
    read the related posts, I discovered the flashing red light is giving
    an error code. When trying to turn the tv on, we are getting the relay
    start up noise, which is usually very loud if the tv is going to start,
    and softer if it is not going to start. Then the red light blinks 7
    times. Does anyone have any information about what that error is?
  2. James Sweet

    James Sweet Guest

    It's probably a solder joint or capacitor in the power supply, I'm not sure
    what sort of info you're looking for exactly though, if you're familiar with
    repairing TV's then you should already have some ideas of what to look for,
    otherwise there's really not much you can do yourself other than break it
  3. Andy C

    Andy C Guest

    Agreed. Sounds like an electrolytic capacitor in the PSU to me. Not only do
    you risk damaging your TV further by atempting a repair if you don't know
    what you're doing, but you also stand a good chance of damaging yourself...
  4. Jeff Wiseman

    Jeff Wiseman Guest

    Don't know about the error code but I had a 4 and 1/2 year old
    36XBR250 that would turn itself on after being turned off until
    the standby circuitry had warmed up (i.e., the set had been
    plugged in for an hour or so). It would go for months working
    just fine (i.e., when turned on or off) until the set was
    unplgged for a while. Then the trouble started again when it was
    plugged back in. It had to be plugged in for a while before it
    could be turned off and stay off. Over time though, it would
    start randomly turning itself on (maybe 2 or 3 times a week).

    The trigger circuit from both the on-set power switch and the IR
    receiver comes through the main processor chip on the main board
    and then is flat-cabled to another board with the relays that
    control the degaussing stuff, etc. (I had the service manual so I
    could trace this on the schematics). Sony said that this problem
    is usually the main processor board. Unfortunately, the Circuit
    City tech (I had an extended warrantee on the set) spent 3 months
    with Sony trying to find a replacement board or even a new
    processor chip. Sony couldn't find one! So CC replace my set with
    a 34XBR960.

    Can't really help other than tell you it sounds like a similar
    problem to the "bad processeor board" that Sony informed me of.

    - Jeff
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