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Searching for a certain LC-Display

Discussion in 'Electronic Components' started by Reinhard Zwirner, Mar 4, 2007.

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  1. Hi

    It would be great if any of you experts knew a source for the
    following 3 1/2 digit LCD (it belongs to a Metrix MX 522 DMM):

    | _____ _____ _____ |
    | I I I I I I I |
    | <-- I I I I I I I |
    | ___ I I_____I I_____I I_____I |
    | I I I I I I I |
    | BAT I I I I I I I |
    | I # I_____I # I_____I # I_____I |
    |_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_| <- contacts

    Height of the digits is 1/2" (about 13 mm). The LCD gets
    connected to the PCB via zebra stripe type conducting rubber.


  2. TT_Man

    TT_Man Guest

    Most likely a totally custom device.
  3. However, an almost identical LCD is relatively easy to get,
    look in the usual component suppliers in your country.
    These are almost always single backplane LCDs with one pin
    per segment. Assuming this is a 1-off replacement, then get
    one with pins rather than zebra strip, and wire it up by

    I replaced the LCD in a Keithley multimeter, the original was
    all black (I think someone left it in the thermal chamber while
    temperature testing the machine it was connected to.)
    The replacement (I think it came from Maplins in the UK) has
    "LOBAT" and "+" instead of "BATT", "-" and "~" on the left
    but is quite usable as a replacement (I wired the ~ wire for
    AC reading to the top&bottom segments of the + so it now
    says : for AC which is fine).

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