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Thermal Adhesive ?

Discussion in 'Electronic Repair' started by CitizenRuth, Jul 25, 2005.

  1. CitizenRuth

    CitizenRuth Guest

    Hey everybody:

    I'm trying to get at a switch in the back of a powered speaker, and in
    order to do this, I need to remove the entire circuit board from its
    enclosure.

    After unscrewing every screw I could find, the board wouldn't budge, and
    it seems that it's glued to the case by its huge heatsinks by what I
    assume is thermal adhesive.

    So my question is: do I just wedge a screwdriver in there and rip it
    away? And after I do figure out how to get this thing off, I assume
    I'll need to buy some more "glue" and put it on there? Is that as
    simple as it sounds? Will I have trouble figuring out what to buy?

    Thanks in advance.
     
  2. NSM

    NSM Guest

    What is your experience level with electronic repair?

    N
     
  3. James Sweet

    James Sweet Guest

    If it's white paste, it's just thermal grease, it'll stick pretty good due
    to surface tension but it's not glue. If it's dried up, scrub it all off and
    smear on a thin even coat of new stuff before you put it back together.
     
  4. CitizenRuth

    CitizenRuth Guest

    I've replaced tweeters on two sets of speakers and I've fixed a DC
    socket on a synth. I know how to use a DMM, but my oscilloscope is the
    crappy one that uses a PC soundcard. I've built a synth from a kit, and
    I'm starting to make a binary LED clock from nothing but the schematic.
    I took a semester or 2 of EE in college a long time ago, and read a
    couple of books.

    Hope that's neither too much nor too little info to answer your
    question!
     
  5. NSM

    NSM Guest

    I can't say that this is a good idea then. I would apply careful steady
    pressure to see if the heatsink paste gives, but it takes experience to know
    when things will break.

    N
     
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