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DERB – Sencore FE-14 – Replacing transistors

DERB - Sencore FE-14 - Replacing transistors



Got the 2 jfet transistors replaced and did some testing with less than stellar results. One problem fixed, but now there is another problem. 🙁

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Tags: transistors

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9 Comments

  1. Date: December 23, 2017 at 06:50

    Hey, nice music! 🙂 Great repair job, just now calibrate and find a project to use with! Merry Xmas Doug! ~Jack, VEG

  2. Date: December 23, 2017 at 06:51
    Author: T.O.A.G

    So far so good. You will find the other problems. I have a copy of the manual if you need it. I can scan it and get it to you if you like. Merry Christmas friend.

  3. Date: December 23, 2017 at 13:45
    Author: DENNIS N

    your coming along well, you keep up and you will get it working, Merry Christmas to you and your family

  4. Date: December 23, 2017 at 14:06
    Author: Ron C

    Nice job Doug.  I love component tracing and replacing… thats a fun part of the hobby as well.    Have a good day my friend. Ron

  5. Date: December 23, 2017 at 15:34
    Author: mbyr31

    Its like plumbing…fix one problem, and another appears…LOL!!
    Great vid Doug. Merry Christmas bud!

  6. Date: December 23, 2017 at 15:59
    Author: old64goat

    Nice fix on the FETs, the camera boom is working out real good.
    I am sure you will find the problem why the OHMS range is not working.
    Merry Christmas

  7. Date: December 23, 2017 at 16:06

    Step by step, inch by inch…
    first, meter movement good,
    next transistors good, but recheck and confirm pinouts,
    oh another thing, on mine, wasn't sure about C battery polarity?
    (no minus – spring and no markings if I recall, but maybe red wire),
    next contact cleaner, helped a lot,
    next any possible SHORTS? (caps, diodes, bridged connections on PCB, switches, wires)?

  8. Date: December 23, 2017 at 16:28
    Author: skycarl

    Glad to see those FETs worked out okay. btw,,, do you have the manual for that? It may have the calibration procedure for all that stuff. Good vid pal.

  9. Date: December 23, 2017 at 17:37
    Author: LUCKYLARRY

    Hey nice intro Doug. Never quite got the hang of putting intros in my videos guess im just lazy. So DC volts worths fine but Ohms and AC volts don't . Hmm another puzzle to solve. so back to troubleshooting caps or resistors shorted possibly.

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