on 9/2/00 6:39 PM, John Mark Davis at backlot@swbell.net wrote:
> I have a 2100 and just bought a backup Newton, a 2000 upgraded to 2100. I
> notice now that the screen to my 2100 is dimmer than the 2000. Also my 2100
> makes a high-pitched electronic hum. Normally not noticeable unless it's
> super-quiet or if you put your ear close to the unit (it is most noticeable
> near the pen chamber with the pen removed).
>
> Is it possible my backlight is having problems? I don't think it has to do
> with the age of the screen because I just recently had my screen replaced
> and I believe I had this hum sound even before the screen was replaced.
>
> Is there something else that provides the backlighting and could it be this
> that is humming? Can the backlight becoming dim be fixed?
>
> Thanks for any help!
The hum probably is from the backlight. This is mentioned in the FAQ as
being from the power transformer that runs the light. As for the screen
diming, I don't really know. The backlights slowly get dimmer over time
with more use and have a unknown half-life (also talked about in the FAQ)
so, unless the backlight was replaced with the screen, it could just be
geting old.
(of course I could be wrong, any one else have an idea?)
JM
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