Fixing a 386SX laptop
cclist at sydex.com
Thu Oct 8 22:30:49 CDT 2009
On 9 Oct 2009 at 6:14, Alexandru Lovin wrote:
> My oldest machine is a Goldstar Gold Note 386SX 20 MHz with 2 MB of
> RAM. I'd like to do many things with it, but no matter what I try to
> do, at some point the screen starts going dark and then bright and
> then dark again...varying in brightness until you can't focus on what
> you are doing anymore. It's a grayscale LCD. Apparently no dead pixels
> at all. I've been told by someone who fixes motherboards and other
> things for a living that it's not the screen but something else.
> However, the man claims he has no time to look into the machine and
> find the problem.
Is this a backlit screen? If not, then you may want to check out the
LCD bias supply. Sometimes there's a contrast control pot on the
bias supply and that could also be going wonky.
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