Zenith TV - no red color

Discussion in 'Electronic Repair' started by Mike S., Jul 9, 2007.

  1. Mike S.

    Mike S. Guest

    I have a Zenith tv (model Z19A02) that's about 11-13 years old. Today,
    the red color went out suddenly. There was no indication that anything
    was wrong. Everything else seems to be normal. Does anyone have any
    idea what the problem(s) could be? Would it be worth taking it in to
    be repaired and how much might it cost to be repaired?
    Mike S., Jul 9, 2007
    #1
  2. Mike S.

    Guest

    On Jul 8, 8:57 pm, "Mike S." <> wrote:
    > I have a Zenith tv (model Z19A02) that's about 11-13 years old. Today,
    > the red color went out suddenly. There was no indication that anything
    > was wrong. Everything else seems to be normal. Does anyone have any
    > idea what the problem(s) could be? Would it be worth taking it in to
    > be repaired and how much might it cost to be repaired?


    Likely the walk-in cost of the repair will exceed the cost of a new
    flat-screen 19" TV these days. Sadly. I have seen such go for less
    than $100.

    I will, however, ask a silly question: You have gone over all the
    controls and suchlike? Have there been any sudden impacts?

    Peter Wieck
    Wyncote, PA
    , Jul 9, 2007
    #2
  3. Mike S.

    Art Guest

    At that age it may be the crt, connections in the video circouts, or other
    devices within the processing circuits. May be worth while offing it and
    getting something more updated.
    <> wrote in message
    news:...
    > On Jul 8, 8:57 pm, "Mike S." <> wrote:
    >> I have a Zenith tv (model Z19A02) that's about 11-13 years old. Today,
    >> the red color went out suddenly. There was no indication that anything
    >> was wrong. Everything else seems to be normal. Does anyone have any
    >> idea what the problem(s) could be? Would it be worth taking it in to
    >> be repaired and how much might it cost to be repaired?

    >
    > Likely the walk-in cost of the repair will exceed the cost of a new
    > flat-screen 19" TV these days. Sadly. I have seen such go for less
    > than $100.
    >
    > I will, however, ask a silly question: You have gone over all the
    > controls and suchlike? Have there been any sudden impacts?
    >
    > Peter Wieck
    > Wyncote, PA
    >
    Art, Jul 9, 2007
    #3
  4. Mike S.

    Mike S. Guest

    wrote:
    > On Jul 8, 8:57 pm, "Mike S." <> wrote:
    > > I have a Zenith tv (model Z19A02) that's about 11-13 years old. Today,
    > > the red color went out suddenly. There was no indication that anything
    > > was wrong. Everything else seems to be normal. Does anyone have any
    > > idea what the problem(s) could be? Would it be worth taking it in to
    > > be repaired and how much might it cost to be repaired?

    >
    > Likely the walk-in cost of the repair will exceed the cost of a new
    > flat-screen 19" TV these days. Sadly. I have seen such go for less
    > than $100.
    >
    > I will, however, ask a silly question: You have gone over all the
    > controls and suchlike? Have there been any sudden impacts?
    >




    The TV seems to be working normally now. It was turned off for about
    seven hours and when it was turned back on in the morning, everything
    was normal. I wonder if maybe it overheated?

    I did check the color controls when it wasn't working. I even hooked
    it up directly to the antenna to make sure something else (like the
    cable box or VCR) wasn't causing the problem. There have been no
    sudden impacts to the TV. It's connected to a surge protector but we
    haven't had any storms recently. I know nothing about electronics so
    I'm not going to open it up.

    It was hot yesterday and the room it's in reached 80 degrees
    Fahrenheit. The back of the TV is a couple inches from the wall but
    the vents are on the sides and are unobstructed. The TV had been on
    for a couple hours when the red went out.
    Mike S., Jul 10, 2007
    #4
  5. Mike S.

    Guest

    On Jul 9, 10:09 pm, "Mike S." <> wrote:

    > The TV seems to be working normally now. It was turned off for about
    > seven hours and when it was turned back on in the morning, everything
    > was normal. I wonder if maybe it overheated?


    That is a safe bet if it came back afterwards. I expect you might have
    a single component on one of the boards that does not like heat.
    Troubleshooting it might be a bear unless you are familiar with the
    circuit and could go right to the general location of the 'red'
    section on the board. If it starts to happen sooner and sooner and at
    ever-lower temperatures, that would be indicative of a failing part.

    Look at it another way... if it limits your use of the television
    somewhat, that is not a bad thing, is it?

    Peter Wieck
    Wyncote, PA
    , Jul 10, 2007
    #5
  6. Mike S.

    Meat Plow Guest

    On Tue, 10 Jul 2007 05:02:41 -0700, wrote:

    > On Jul 9, 10:09 pm, "Mike S." <> wrote:
    >
    >> The TV seems to be working normally now. It was turned off for about
    >> seven hours and when it was turned back on in the morning, everything
    >> was normal. I wonder if maybe it overheated?

    >
    > That is a safe bet if it came back afterwards. I expect you might have
    > a single component on one of the boards that does not like heat.
    > Troubleshooting it might be a bear unless you are familiar with the
    > circuit and could go right to the general location of the 'red'
    > section on the board. If it starts to happen sooner and sooner and at
    > ever-lower temperatures, that would be indicative of a failing part.
    >
    > Look at it another way... if it limits your use of the television
    > somewhat, that is not a bad thing, is it?
    >


    Yeh get out and enjoy the nice weather :)
    Meat Plow, Jul 10, 2007
    #6
  7. Mike S.

    James Sweet Guest

    <> wrote in message
    news:...
    > On Jul 9, 10:09 pm, "Mike S." <> wrote:
    >
    >> The TV seems to be working normally now. It was turned off for about
    >> seven hours and when it was turned back on in the morning, everything
    >> was normal. I wonder if maybe it overheated?

    >
    > That is a safe bet if it came back afterwards. I expect you might have
    > a single component on one of the boards that does not like heat.
    > Troubleshooting it might be a bear unless you are familiar with the
    > circuit and could go right to the general location of the 'red'
    > section on the board. If it starts to happen sooner and sooner and at
    > ever-lower temperatures, that would be indicative of a failing part.
    >
    > Look at it another way... if it limits your use of the television
    > somewhat, that is not a bad thing, is it?
    >
    > Peter Wieck
    > Wyncote, PA
    >


    This is a perfect one for the novice to practice with. Poking around with a
    plastic stick (bic pen works) with the set on can usually track down this
    sort of issue.
    James Sweet, Jul 11, 2007
    #7
  8. Mike S.

    AJ Guest

    There may be three descrete video driver devices near the Video Jungle IC.
    Probable that one of the devices has failed. Easy to check without any
    current attached to the tele, check each one with your DMM. The defective
    device will definately have different f/r resistance readings.
    "James Sweet" <> wrote in message
    news:_s_ki.5625$475.3381@trndny04...
    >
    > <> wrote in message
    > news:...
    >> On Jul 9, 10:09 pm, "Mike S." <> wrote:
    >>
    >>> The TV seems to be working normally now. It was turned off for about
    >>> seven hours and when it was turned back on in the morning, everything
    >>> was normal. I wonder if maybe it overheated?

    >>
    >> That is a safe bet if it came back afterwards. I expect you might have
    >> a single component on one of the boards that does not like heat.
    >> Troubleshooting it might be a bear unless you are familiar with the
    >> circuit and could go right to the general location of the 'red'
    >> section on the board. If it starts to happen sooner and sooner and at
    >> ever-lower temperatures, that would be indicative of a failing part.
    >>
    >> Look at it another way... if it limits your use of the television
    >> somewhat, that is not a bad thing, is it?
    >>
    >> Peter Wieck
    >> Wyncote, PA
    >>

    >
    > This is a perfect one for the novice to practice with. Poking around with
    > a plastic stick (bic pen works) with the set on can usually track down
    > this sort of issue.
    >
    AJ, Jul 11, 2007
    #8
  9. Mike S.

    Mike S. Guest

    wrote:
    > On Jul 8, 8:57 pm, "Mike S." <> wrote:
    > > I have a Zenith tv (model Z19A02) that's about 11-13 years old. Today,
    > > the red color went out suddenly. There was no indication that anything
    > > was wrong. Everything else seems to be normal. Does anyone have any
    > > idea what the problem(s) could be? Would it be worth taking it in to
    > > be repaired and how much might it cost to be repaired?

    >
    > Likely the walk-in cost of the repair will exceed the cost of a new
    > flat-screen 19" TV these days. Sadly. I have seen such go for less
    > than $100.
    >



    The red color went out again two days ago. I called a few repair shops
    and they tell me that if it's the tube, it will cost $100 to $200 to
    fix which isn't worth it. If it was something that only cost $50 to
    fix then I'd probably get it repaired. Unfortunately, most shops won't
    diagnose it for free, they charge about $100. It's really such a
    shame. I just wish I knew if it's the tube or something small and
    simple.
    Mike S., Jul 18, 2007
    #9

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