What would a touch of "Caig" contact enhancer
do I wonder?

RF Jim


----- Original Message -----
From: "Randy Jones" <randyjones@WORLDNET.ATT.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, August 10, 2002 8:07 PM
Subject: Re: [EE]: Fluke meter LCD problem


> Neil,
>
> I have a Fluke 87 DMM built somewhere around 1993 to 1995, and it
> periodically needs repair for the same symptoms you described -- a gradual
> "dimming" of the LCD display.  Maybe a better way to describe it is a loss
> of contrast so that the numbers no longer appear different from the
> background.
>
> A couple Fluke reps at a trade show immediately knew the problem (guess it
> was common) and showed me what to do.  The meter must be disassembled to
the
> point where the LCD glass can be removed.  There are a couple rubbery
> components that are apparently the (non-metallic) conductors to the LCD
> glass.  I'm not familiar with the construction technology, but they need
to
> be cleaned, perhaps with a swab moistened with alcohol.  They may have
used
> a pencil eraser, I don't recall at this point.
>
> I just did mine a few minutes ago to prepare this response.    This is
> probably the third time this repair has been needed.  The display had
become
> so faint that I haven't used it meter for some time.  I hope yours is the
> same thing, and is as easy to perform as on the 87 (which is now working
> fine once again).
>
> Best wishes,
> Randy Jones
>
>
> ----- Original Message -----
> From: "Pic Dude" <picdude@PILOTTOOLS.COM>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Saturday, August 10, 2002 11:57 AM
> Subject: [EE]: Fluke meter LCD problem
>
>
> > Got a Fluke 8060A DMM here, that has had an LCD problem since it was
> > new.  The LCD display is dim, and over time has dimmed more to the point
> > where it's almost gone.  I used to be able to see enough to use it, and
it
> > worked well otherwise.
> >
> > Any thoughts on what might be wrong, or how to go about analyzing this?
> > I'm hoping that it's just a display connector or something simple.
> >
> > Cheers,
> > -Neil.
> >
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