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Phillips monitor

Discussion in 'Electronic Repair' started by Ken Weitzel, Feb 18, 2005.

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  1. Ken Weitzel

    Ken Weitzel Guest

    Hi guys...

    Wonder if one of you might have experienced this before;
    kinda point me in the right direction.

    Magnavox (Phillips) monitor. Has developed a bad habit -
    have to turn it on several times before video will appear.
    Power comes up (led stops blinking); and I can hear a hint
    of high voltage, but no video.

    After several turning off and on's of the computer it will
    start, but is quickly getting worse. Now if I shut it down
    I have to wait several hours for it to cool down before I
    have a hope of starting it again.

    I have several monitors, but this is the only one that plays
    nicely with my all in wonder card.

    Anyone run into this before? I'm thinking caps, but have
    no esr meter. Could wholesale change them out, but...

    Thanks in advance for any tips.

    Ken
     
  2. James Sweet

    James Sweet Guest

    Model number?

    I suspect it's a capacitor, either that or a solder joint. A can of freeze
    spray will probably be your best bet, start around the power supply, let it
    warm up so it's working, then freeze a small section at a time, don't frost
    the hell out of it, just give it a quick spurt and cycle the power until you
    find the one that makes it misbehave.
     
  3. Rubbishrat

    Rubbishrat Guest


    If you hear a crackle of high voltage but no picture it may be a PSU problem
    as the first poster suggested or I think a good candidate would be a bad
    solder joint on the CRT heater pins.
    Pete
     
  4. Ken Weitzel

    Ken Weitzel Guest


    Hi...

    Thanks very much to everyone who replied. Appreciated.

    Unfortunately the monitor must have noticed I was writing
    you guys... and got scared. :)

    Took the durned thing apart, prepared to flow a bit of solder,
    change a few caps on general principle, maybe do a little
    percussive maintenance while it was running...

    But ever since, it's worked flawlessly :)

    Thanks again.

    Ken
     
  5. Asimov

    Asimov Guest

    "Ken Weitzel" bravely wrote to "All" (21 Feb 05 06:50:36)
    --- on the heady topic of "Re: Phillips monitor"

    KW> From: Ken Weitzel <>
    KW> Xref: aeinews sci.electronics.repair:11105

    KW> Hi...

    KW> Thanks very much to everyone who replied. Appreciated.

    KW> Unfortunately the monitor must have noticed I was writing
    KW> you guys... and got scared. :)

    KW> Took the durned thing apart, prepared to flow a bit of solder,
    KW> change a few caps on general principle, maybe do a little
    KW> percussive maintenance while it was running...

    KW> But ever since, it's worked flawlessly :)

    KW> Thanks again.

    Ken,

    Paste a printout of one of the replies on the inside of the cover so
    that the tv never forgets who is the master! ;-)

    A*s*i*m*o*v

    .... Gender is irrelevant. Resistance turns me on.
     
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