Compaq P1100 FD Trinitron monitor problem

[[email protected]]

Hi,

I was given a Compaq P1100 FD Trinitron monitor with a problem that I'm
hoping for advice on. When first turned on, the contrast is too high,
but not so high you can see the raster, and also is adjustable with the
digital controls. After 10-15 minutes of warmup, the constrast has
settled down to exactly where it should be. From that point on the
monitor functions perfect, with good color and contrast. Any advice is
welcome. Thanks!

--Chris

 

[Andy Cuffe]

Hi,

I was given a Compaq P1100 FD Trinitron monitor with a problem that I'm
hoping for advice on. When first turned on, the contrast is too high,
but not so high you can see the raster, and also is adjustable with the
digital controls. After 10-15 minutes of warmup, the constrast has
settled down to exactly where it should be. From that point on the
monitor functions perfect, with good color and contrast. Any advice is
welcome. Thanks!

--Chris

If you mean brightness, not contrast, then it's probably normal.
Those monitors are very bright when first turned on, but settle down
after warm up.
Andy Cuffe

[email protected]

 

[[email protected]]

If you mean brightness, not contrast, then it's probably normal.
Those monitors are very bright when first turned on, but settle down
after warm up.
Andy Cuffe

[email protected]

Hi. Thanks for the response! Yes, I did mean brightness, not sure what
I was thinking when I typed that out. Now, once warmed up the
brightness is perfect and matches very closely my SGI GDM-5411p FD
trinitron monitor (manufactured 2001). I've found from more reading
that the FD trinitons manufactured from 1999-2000 are prone to
excessive brightness on warmup as well as the problem of them
developing excessive brightness post-warmup as well (and fixed via
resistor). This Compaq is a 2000 year model, and as of now it doesn't
have the 2nd problem, but I have noticed the colors are not
particularly accurate. I've been able to very closely match the colors
to my 5411p by going into expert mode in the Compaq's color menu and
turning the blue bias down to 0 (from 50) and the green bias up to 75
(from 50). I guess the question I have is, what would cause this
problem, and is it likely to get worse? I hope not, since I don't
really have any more adjustment room in the menu. With those tweaks
though, it works well, and I can't complain since it was free.

--Chris