Products > Test Equipment
How to take apart Voltcraft/Metex 3650B
chicken:
I have an old Voltcraft/Metex M-3650B with a faded LCD that I try to take apart and see if cleaning the LCD contacts would fix it. However I can't figure out, how to remove the big selector switch |O
Any ideas?
I already tried to pull hard, harder with pliers, levering out from the front with a screwdriver..
georgd:
Try to lift whole board from case.
Selector switch is fastened from another (recently down) side with seeger ring.
Georg
chicken:
I can't see a seeger ring. The board is held in place by the sandwich of front dial and wheel on the back.
retiredcaps:
I have a similar meter. See this post for pictures and it may help you get it apart? I gently pried it up using a flat blade screwdriver.
https://www.eevblog.com/forum/chat/metex-m-3610-repair-help-dmm-won't-zero-properly-in-ohms-and-dc-volts/
PS. I haven't fixed this as I somehow misplaced one of the boards. :palm:
chicken:
Thanks, those pictures were helpful.
Pulling hard with pliers from the front on the center of the dial worked. I had to put the case back together first to be able to firmly grab it with enough force.
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