Loewe 6370 Green horizontal lines

Discussion in 'General TV Discussions Forum' started by Dunxter, May 3, 2007.

  1. Dunxter

    Dunxter
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    Hi there,

    My 4yr old Loewe Vitros TV has developed a problem to the extent that the attached JPG is all it shows now (whether through aerial, DVD or Freeview box connection). Audio is fine.

    In the preceeding weeks before reaching this state the TV would occasionally flicker losing and regaining the blue from a normal picture (or it may have been overdoing and restoring normal Green levels).

    Any thoughts on what might cause this and if I'm looking at getting the local TV guy round, getting a Loewe approved specialist or a new TV...

    Thanks for any tips

    Cheers

    Duncan
     

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  2. JayCee

    JayCee
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    Possibly a duff crt :thumbsdow
     
  3. Dunxter

    Dunxter
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    Oh...
    Loewe weren't willing to speculate and there are no local Loewe specialists, so trying the local generalist repair man
     
  4. simon194

    simon194
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    It's not a duff tube.

    I had the same problem on a Philips TV (Loewe use Philips internals), it was a faulty CRT driver board. Took the guy 5 minute to sort out once he had a replacement board.
     
  5. JayCee

    JayCee
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    You cannot state that with certainty...I said "Possibly a duff crt" as that is one of the symptoms of a faulty crt...it can also be a fault on the crt video drive circuitry as was the case on yours.
    Loewe use...like a lot of other brands...Philips crts...depending on the model...they do not use "Philips internals".
     
  6. Dunxter

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    Turns out to be a knackered "CDA" (£49 repair)

    Cheers

    Duncan
     
  7. adolen

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    Hi Duncan,

    I am having exactly the same problem with my Loewe Vitros.

    At first I thought that it had to do with a damage caused by an over heating circut which Loewe is presently recalling its CRT sets for resoldering. I had mine inspected for the recall purposes but end up still having the same green lines.

    So I am happy that you have yours fixed.

    But what exatly is a CDA???. How can I explain it to my TV repair man?? By the way does any one know of a repair man in central London to fix this??
     
  8. Dunxter

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    I've no idea what he meant by "CDA" (didn't find anything on google either)- I glazed over with the explanation as the repair guy was enthusiatically and hurredly (he was double parked) telling me what the problem was rather than to trying to explain it to me.

    I was just pleased that £49 solved the problem and writing out a cheque at the same time - which any woman will tell you is multi-tasking so something had to give.

    I'll try to remember to ask the repair guy what he meant.

    Cheers

    Duncan
     
  9. JayCee

    JayCee
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    Is it possible you misheard him and that it was a "CRT Base"?
     
  10. adolen

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    Thanks Duncan,

    I'll let you know of any progress on my set when I have someone over for a repair. On the CDA; I am cluless! my seach also revealed nothing...
     
  11. Dunxter

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    OK - I just called the repair man:

    He said 'there was short in the tube'...

    Then having cleaned things up, saw that the 'CDA' chip was knackered ('gone for a burton')

    He described the CDA chip as a 'control chip' that handles colour processing

    Definately said CDA.

    Cheers

    Duncan
     
  12. JayCee

    JayCee
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    CDA = Colour Difference Amplifier.
     

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