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JVC VCR Transformer help!

Discussion in 'Electronic Repair' started by [email protected], Mar 21, 2007.

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  1. Guest


    I posted a message a little while ago regarding a JVC VCR which had
    popped some of the PSU parts during a power surge. I managed to track
    down a couple of transistors which had blown and I've replaced those
    but it seems now there's no voltage coming out of the transformer (ref
    des T5001) but there is going in so I'm of the opinion the transformer
    has melted inside.

    I'm having trouble finding this part in Google though. The writing on
    the part is Delta 41H-2001 0186-1 DCGM 0306B.

    Does anyone know where to find a spec for this part and/or some place
    that sells them?

    Many thanks!
  2. Guest

    Sorry, forgot to mention it's a JVC HR-S6965 VCR.
  3. Yukio YANO

    Yukio YANO Guest

    As a last resort, take the transformer apart and look for a Fuse or
    Thermal Link.

    Yukio YANO
  4. Guest

    look at what V reg(s) and fuse(s) it feeds.

  5. Arfa Daily

    Arfa Daily Guest

    Ah! And history repeats itself ... d;~)

    Even assuming that this is a conventional transformer in a conventional
    linear supply, it is likely to have several windings for custom purposes
    such as powering the VFD filament, and will not be replaceable by any 'off
    the shelf' type. It might be helpful if the OP said the model number rather
    than just the make. If it's more than a couple of years old, it's likely
    anyway that his local friendly repair shop will have a pile of them out the
    back that he can rob a tranny from.

  6. If it's a switch mode power supply, and it almost certainly is, then I would
    venture that your problem is elsewhere. Bad caps, shorted diode, bad
    optocoupler, etc.

    Mark Z.
  7. Guest

    Yes, quite. 1980s stuff may be single winding - but either way if the
    OP looks at what its feeding they'll find out one way or t'other.

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