Power up problem with Seleco SVP 400 HT Plus

Discussion in 'Projectors, Screens & Video Processors' started by fenax, Oct 16, 2005.

  1. fenax

    fenax
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    Hi,

    I have a Seleco 400 HT plus that was working great, until today when it would just reset after I turned it on after a few seconds... It would power up, then die, power up, then die, etc....

    I tried unplugging/plugging the daughter boards, but no difference... I noticed that on the protection board, the 2 leds closest to the back of the projector light up when it dies...does anyone know what the leds mean?

    Thanks
     
  2. Boy Lex

    Boy Lex
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    I could be wrong, but I think this is the deflection protection... Do the tubes crackle when it is turned on? Do you get any picture at all or does nothing come up?

    The deflection protection (if it is that) will be shutting the power off to prevent you from bombarding the centre of the tube with electrons (which will insantly burn off all the phospher in the centre of tube) - this is what happens when the deflection fails!

    It has been said tho, that the selecos protection boards sometimes get loose and cause a false reading that will shut the projector down. Try wiggling the protection board (when the pj is off!!!), and try again... If this is the case I'd pull the boards out and resolder them... some have soldered the boards directly to each other so that this problem doesn't occur.
     
  3. fenax

    fenax
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    Ahhh, i didnt realise that the metal covers had to be put back on for it to work. Everythings working great now, thanks!!!!! I couldnt have fixed it without this forum :thumbsup:
     
  4. fenax

    fenax
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    Well it didnt last long... I noticed that it will work if I take the middle board out, but I lose the up convertor, and it shutsdown if I use a vga input. Any ideas?

    Thanks
     

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