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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Fluke 87 LCD
This is a straightforward question. I don't want it to become a megillah or
a tsimmes. My 20-year-old Fluke 87 has one or two segments and several enunciators that have dimmed. I assume this is due to a weakening connection between the LCD and the PCB. I've opened the unit as far as I care to, and don't want to rip into it any farther until I know what to expect. Can anyone point me to a drawing that shows how things go together? Thanks. |
#2
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Fluke 87 LCD
That should have been annuciators. I was a little too quick to accept the
spell checker's suggestion. |
#3
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Fluke 87 LCD
"Meat Plow" wrote in message
... On Sat, 12 Apr 2008 11:37:13 -0700, William Sommerwerck wrote: My 20-year-old Fluke 87 has one or two segments and several annunciators that have dimmed. I assume this is due to a weakening connection between the LCD and the PCB. I've opened the unit as far as I care to, and don't want to rip into it any farther until I know what to expect. Can anyone point me to a drawing that shows how things go together? It's pretty straight forward. A few weeks ago I cleaned the zebra strip that connects the LCD to the PCB on my 87. Used a qtip and some rubbing alcohol. There are a couple screws on the backside of the PCB that hold the LCD assembly to it. Just remember how you took it apart as there is no marking on the LCD to orient it. The plastic cover can only go on one way if I recall correctly. Thanks. I feel much better about tearing it apart. |
#4
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Fluke 87 LCD
It's pretty straight forward. A few weeks ago I cleaned the zebra
strip that connects the LCD to the PCB on my 87. Used a Q-tip and some rubbing alcohol. There are a couple screws on the backside of the PCB that hold the LCD assembly to it. Just remember how you took it apart as there is no marking on the LCD to orient it. The plastic cover can only go on one way if I recall correctly. In my sample, the LCD is held in place by a large plastic snap-fitting cover, of not very prepossessing quality. Simply removing it, then lifting and replacing the LCD module, fixed the problem. Thanks. |
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