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UPDATE: Symphonic TVCR19D1 Repaired

Discussion in 'Electronic Repair' started by Brad Petria, Nov 11, 2003.

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  1. Brad Petria

    Brad Petria Guest

    Hi,

    Symphonic TV/VCR TVCR19D1 (1/95) wouldn't turn on. The power supply
    would start up with normal B+114V output, but it would "die" within a second
    after unit was plugged into AC. After several tests, I decided to "snip" one
    lead of D1027 (EZ150) 150V 1W zener diode in B+ "line". The set "ran"!
    I replaced D1027, part #QD4Z0001Z150 (or NTE 5100A).

    Brad

    Tip for your old computer (reduce discard pollution too):

    If you can't sell your old computer, don't throw it away. Use it to backup
    your software by transferring files/folders from your new computer or laptop
    to it. I transferred my Windows folder and other stuff to my old computer
    using "PC Link", which I downloaded from www.simtel.net (cool site).

    http://www.simtel.net/pub/dl/52792.html (info or download)
     
  2. RonKZ650

    RonKZ650 Guest

    Symphonic TV/VCR TVCR19D1 (1/95) wouldn't turn on. The power supply
    The 150v zener is used to short or at least clamp the voltage down to a 150v
    maximum if you have a power supply problem making you 114 too high. It should
    not have any effect on the problem you were having by your description, but if
    it fixed it, congratulations. My guess is the problem will return.
    Ron
     
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