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help needed with old detector

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  • Davor
    replied
    Sure. Nowadays resistors are seldom 4 stripes 5% types, and are hell to read, so ask in a shop. It is always good to check the value with a meter before soldering it in.
    But whatever ate through that resistor must have ruined PCB traces as well. Get ready for a big surprise there.

    I'd say the battery terminal is supposed to be connected to a battery holder like this one:

    (I randomly picked this photo)
    I can't say what voltage you need, but if there is a battery holder around you'll find out.

    Leave a comment:


  • keith777
    replied
    is that the resistor color code that i need. i have quit a few odds and sods of circuit boards laying about in the shed but non of that value on them. is there a 5 or 6 band etc resistor that i can use.

    thanks for the help guys
    Attached Files

    Leave a comment:


  • homefire
    replied
    Old BFO for sure. The caps I can see are only 10V so guessing it used 6 or 9V .

    Leave a comment:


  • kt315
    replied
    desolder the resistor, clear on edges and measure in those points.

    Leave a comment:


  • WM6
    replied
    Citation from eBay:

    "Manufactured by Young Electrionics, London, England.
    Young's were bought out in 2013 by a military and defence technology company no user manual no longer available."

    Resistor color code show 30k.

    Maybe it is optical, but battery contacts seem a little big for regular 9V battery.
    Other Young TR detector model (Fieldmaster) was supplied by 2x9V (18V?).

    Leave a comment:


  • Koala
    replied
    I am on a little phone screen and it's hard to see the colours properly.

    Its a resister


    If it's orange black orange gold

    30k at 5%

    Leave a comment:


  • keith777
    started a topic help needed with old detector

    help needed with old detector

    Hi guys.

    i was wondering if anyone can give any information on this old detector. it was in a bit of a mess on the inside when i opened it as you can see from the photos. there was one component that had gone rusty. i went to unsold-er it to try and have a closer at it, but it fell apart in the process.
    i was wondering. is it possible someone can make out what the part is that i need to replace it with.
    also there is a battery holder for one 1.5v battery which need replacing as it is totally shot because of a battery been left in for a long time. this is no a problem. but there is also two battery terminals which looks like they would fit a standard square 9v battery, but the fitting are to dig to fit on plus you can not put both on together anyways. any ideas what voltage that will be running on?

    thanks in advance guys.
    Attached Files
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