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zebra connector

Discussion in 'Electronic Repair' started by Vale, May 30, 2011.

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  1. Vale

    Vale Guest

    My expensive multimeter has got broken plastic pins that hold the lcd disply
    on the pcb.
    In spite of all my efforts I can't correctly align the zebra contacts.
    Is there anybody willing to explain me how to do it?
    Thanks
     
  2. N_Cook

    N_Cook Guest


    Zebra contacts are self-aligning thats the point of them. Assuming contacts
    and zebra are clean and good and gap between pcb and LCD glass is correct
    then all should be well, at least one zebra contact should lie between each
    pcb pads and its corresponding lcd land
     
  3. Smitty Two

    Smitty Two Guest

    With the alignment pins broken off, how do you suggest OP correctly
    positions the display WRT the PCB?
     
  4. N_Cook

    N_Cook Guest


    I assume some stubs or marks remain where the plastic pins broke off. Drill
    and glue some replacement pins , as long as within half a land of true then
    should line up
     
  5. Vale

    Vale Guest

    Thanks all.I solved, hope for long time.
    I've been luky, the dirt that was on the meter case display window was
    perfectly corresponding to the dirt line on the display.
    So I found the right position.
    It has been not so easy to align the display on pcb, I supplied the meter
    with a voltage, tried hundreds of positions until it displaied the rights
    measurement.
    I got help from a pair of chinese spring loaded clamps to firmly block the
    display and put some drops of cyanoacrylate on corners.
    Than used plenty of epoxy glue to make it stable.
    The meter now works quite perfectly, only the last digit is incomplete, but
    I'm happy anyway.
    At least that experience has provided more knowledge to zebra gadgets.
    Thanks everybody and....don't keep your meters too clean!
     
  6. Shaun

    Shaun Guest

    "Vale" wrote in message


    Thanks all.I solved, hope for long time.
    I've been luky, the dirt that was on the meter case display window was
    perfectly corresponding to the dirt line on the display.
    So I found the right position.
    It has been not so easy to align the display on pcb, I supplied the meter
    with a voltage, tried hundreds of positions until it displaied the rights
    measurement.
    I got help from a pair of chinese spring loaded clamps to firmly block the
    display and put some drops of cyanoacrylate on corners.
    Than used plenty of epoxy glue to make it stable.
    The meter now works quite perfectly, only the last digit is incomplete, but
    I'm happy anyway.
    At least that experience has provided more knowledge to zebra gadgets.
    Thanks everybody and....don't keep your meters too clean!

    What brand is your meter? You can probably order parts for it if it is not
    too old. When you do order parts, order new zebra strips aswell.

    Shaun
     
  7. Vale

    Vale Guest

    It's a Chauvin Arnoux. It is a good idea investigate on spares/kits.I'll do
    it, thanks.
     
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