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Is My Daewoo TV Dead....Green Picture

Discussion in 'Electronic Repair' started by GGHS 1981, Jul 9, 2004.

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  1. GGHS 1981

    GGHS 1981 Guest

    Hello. I bought a 25" (I think) Daewoo TV last fall at Target. Up until tonight
    it has been a great TV for the money. The TV was working great. The TV and
    seperate VCR were both on. The TV was fine. I pressed play to watch a video and
    when the tape started to play the picture was lime green. At first I thought I
    had gotten ahold of a old VHS so I turned the VCR off. TV picture was still
    lime green. I checked the color and tint settings......right where I have had
    them all along. Back to the picture. Most things were green....sky on a
    commercial was pink. TV still worked great...good sound..remote functions on
    the TV screen were still showing up in blue...like they should. I turned the
    color all the way down to a B/W setting so I could watch without going blind.
    Even with color turned all the way down to just a B/W type picture there is a
    pink haze in the left corners and a green haze in the right corners. The TV is
    only about 8-9 months old. Yes it is on 12-15 hours a day....but shouldnt this
    TV last longer than this? Any easy fixes or is this now just a B/W set? Thanks
    Greg
     
  2. techforce

    techforce Guest

    Whats your Model Number?

    IE: DTQ-xxxxxx


    | Hello. I bought a 25" (I think) Daewoo TV last fall at Target. Up until
    tonight
    | it has been a great TV for the money. The TV was working great. The TV and
    | seperate VCR were both on. The TV was fine. I pressed play to watch a
    video and
    | when the tape started to play the picture was lime green. At first I
    thought I
    | had gotten ahold of a old VHS so I turned the VCR off. TV picture was
    still
    | lime green. I checked the color and tint settings......right where I have
    had
    | them all along. Back to the picture. Most things were green....sky on a
    | commercial was pink. TV still worked great...good sound..remote functions
    on
    | the TV screen were still showing up in blue...like they should. I turned
    the
    | color all the way down to a B/W setting so I could watch without going
    blind.
    | Even with color turned all the way down to just a B/W type picture there
    is a
    | pink haze in the left corners and a green haze in the right corners. The
    TV is
    | only about 8-9 months old. Yes it is on 12-15 hours a day....but shouldnt
    this
    | TV last longer than this? Any easy fixes or is this now just a B/W set?
    Thanks
    | Greg
     
  3. The fault may be in the video drive or bias circuits to the CRT, or
    the CRT itself may have failed.

    This can be properly checked by the technician by taking the bias
    voltage readings at the CRT elements, and by checking the video
    waveform levels driving the CRT.

    If the set is less than a year old, I would assume it is still under
    warranty. You should take it back to the dealer with your proof of
    purchase.

    These sets will usually last about 20,000 to 30,000 hours before
    failure. This should be about 4 to 5 years with average use.


    Jerry G.
    ========
     
  4. ivan

    ivan Guest

    As the original poster mentions what appears to be purity errors in the
    corners of the screen (which could well be doming) could it be that somehow
    the tube has become severely magnetised?

    I've seen some really bad effects caused through a faulty degaussing
    posistor, which can produce symptoms varying from reversed colours to a
    total loss of one colour.
     
  5. David

    David Guest

    8-9 months is at the low end before a current el-cheapo brand tv would
    need repaired, but not unusual. Assuming you tried adjusting the tint
    control in the user menu and it had no effect, the tv needs taken into
    a servicer that is willing to touch the Daewoo brand for an estimate
    of repair.

    Many servicers will not even bother taking in many of the low end
    brands due to lack of manufactures support for repair with service
    information or parts. So call and make sure the place you intend on
    taking it has access to Daewoo service information.

    David
     
  6. ChrisCoaster

    ChrisCoaster Guest

    _________________
    You read my mind Ivan! The first three sentences into this guy's
    post, it hit me - degausser circuit's gone AWOL.

    In my case about 6 years ago a fine 20" Samsung of mine got a
    green/orange tinge to the upper LH corner-the same corner of the set
    to hit the floor when the FREAKIN' AV SHELF COLLAPSED! Put the
    degausser in that corner pretty much outta business.

    -CC
    <PS and don't even ask me just how that shelf collapsed!> :p
     
  7. Ron

    Ron Guest

    _________________
    So, how exactly did the shelf collapse?
     
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