Hitachi CP-X430W? It has a faint double image, apparently in the
red
channel,

I've seen something like you describe in NEC LCD projectors.
AIRC, the
problem was warpage of the affected LCD panel; repairable
(replace the
panel), but not economically.

Ray Carlsen wrote:


jak,
Thanks for the feedback. We've had quite a few projectors
including NEC
fail with bad panels or filters, but the symptoms were quite
different, mostly
consisting of blue blobs sneaking through what should be a dark
background or
yellow spots on a white screen. They always seem to under-rate the
cooling in
LCD projectors.
The fault with this Hitachi is that the "ghost"
image is exactly 12 pixels
wide and shows up ahead of normal vertical lines. A warped panel or
dichroic
filter wouldn't do that. If a red-only screen is displayed and the
RGB input is
fed color bars at 50% level (you will not see it at 100%), the
right side of the
red vertical bar is dark, the width of 12 pixels. The green and
blue channels
are OK.
As I mentioned before, we had quite a few Sanyo based
projectors with the
same kind of problem. The "cure" for those was to change
the data in one memory
location in the service menu. We needed the ear of a knowledgeable
tech at
Sanyo, and I got it several years ago... that problem was solved
for Sanyos.

Ray
--

My return addy is spamblocked. To reply, remove the zeroes.

I've a similar problem with a sanyo PLC-SU33. The image is doubled in
blue a few distance at right.
You mentioned that the solution is in the service menu. Where could I
find this information?.

Thanks.

Toni