R
Rodoz
- Jan 1, 1970
- 0
Unfortunately I was running my LT140 JVC projector recently setting up
for a meeting when it went faulty. This is a 1024 x 768 machine with
a Texas Instruments DLP engine in it. and when it work t was quite a
good performer. The unit has done less than 400 hours as it isn't
turned on much but its not in warranty now. Still on its first lamp
actually so this failure is most premature for a machine that has had a
very easy life so far. With the projector turned on but in black
after about five minutes running I saw the black screen get a few wide
white horizontal bars on the image. This turned out to be a fault and
I required it back for planned presentations over the next few weeks so
sent it off to the manufactures service center for a quote for repair.
They told me they would not be able to fix it for under $6000 but
could replace it for $3500. As I am an electronics tech myself and
thought this to be a little expensive, I purchased a new projector
locally for less and set the LT140 asside for myself to repair when I
had time. When I finally got to it the fault had changed somewhat
to what it was when it left me but none the less it was still faulty
with a few pixels on and the rest of the DLP chip output in black.
The lamp runs the color wheel is running fine the JVC power supplies
are all good and all data appears to be presented to the Texas
Instruments DLP driver card prior to the second board with the DLP
engine. I have had the JVC portion verified and all is ok its just the
Texas Instruments section that has failed. Feeling pleased about this I
contacted Texas Instruments and hit a brick wall. I only wanted pin
outs of their DLP engine to verify the conditions of the driver. They
just won't help with any information at all and I've not been able to
go any further. As most of the projectors I have recomended to my
employer, clients and friends are DLP with Texas Instruments engines
inside I'm now very concerned that there is no help or information
forthcoming from them in any way which means repair cost is massive.
Unless I can get better support from somewhere I certainly will not
be even considering DLP for any future clients or replacements of
existing. It's rather sad really as my dealings with them as of 10
years back were so great, I'm saddened to see what has happened.
If any one has any information on the Texas Instruments driver board
and chipset mentioned below please let me know ok I'd greatly
appreciate it as I'm rather disgusted at the responses I got from Texas
Instruments DLP.
the Texas Instruments DLP engine is XC4436XL PQ240 on the second
board
the Texas Instruments driver board has 2 DLP Andromeda 980 processors
F711054GFN
and the rom version is 4171 697-3
I'm hoping someone out there has had more luck from other sources than
I
Any suggestions are welcome
for a meeting when it went faulty. This is a 1024 x 768 machine with
a Texas Instruments DLP engine in it. and when it work t was quite a
good performer. The unit has done less than 400 hours as it isn't
turned on much but its not in warranty now. Still on its first lamp
actually so this failure is most premature for a machine that has had a
very easy life so far. With the projector turned on but in black
after about five minutes running I saw the black screen get a few wide
white horizontal bars on the image. This turned out to be a fault and
I required it back for planned presentations over the next few weeks so
sent it off to the manufactures service center for a quote for repair.
They told me they would not be able to fix it for under $6000 but
could replace it for $3500. As I am an electronics tech myself and
thought this to be a little expensive, I purchased a new projector
locally for less and set the LT140 asside for myself to repair when I
had time. When I finally got to it the fault had changed somewhat
to what it was when it left me but none the less it was still faulty
with a few pixels on and the rest of the DLP chip output in black.
The lamp runs the color wheel is running fine the JVC power supplies
are all good and all data appears to be presented to the Texas
Instruments DLP driver card prior to the second board with the DLP
engine. I have had the JVC portion verified and all is ok its just the
Texas Instruments section that has failed. Feeling pleased about this I
contacted Texas Instruments and hit a brick wall. I only wanted pin
outs of their DLP engine to verify the conditions of the driver. They
just won't help with any information at all and I've not been able to
go any further. As most of the projectors I have recomended to my
employer, clients and friends are DLP with Texas Instruments engines
inside I'm now very concerned that there is no help or information
forthcoming from them in any way which means repair cost is massive.
Unless I can get better support from somewhere I certainly will not
be even considering DLP for any future clients or replacements of
existing. It's rather sad really as my dealings with them as of 10
years back were so great, I'm saddened to see what has happened.
If any one has any information on the Texas Instruments driver board
and chipset mentioned below please let me know ok I'd greatly
appreciate it as I'm rather disgusted at the responses I got from Texas
Instruments DLP.
the Texas Instruments DLP engine is XC4436XL PQ240 on the second
board
the Texas Instruments driver board has 2 DLP Andromeda 980 processors
F711054GFN
and the rom version is 4171 697-3
I'm hoping someone out there has had more luck from other sources than
I
Any suggestions are welcome
