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There may be many issues regarding your Picture tube or/and with the temperature setting of your monitor.
You can set/reset the temperature setting by yourself only.
To do so you have to find the buttons in front of your monitor which will bring and OSD (On Screen Display). There you can go under Color Settings or can directly reset the colors.
If this looks odd to you, you can download and try a nice software called Power Strip, from here
Download it, install it and under color management you can individually set the Red/Blue/Green color intensities.
If you think I was of help, your token of appreciation in the form of rating will be esteemed. Concerned, Nooh
Replace the power switch. If you can't find a replacement part open the case and solder the connections of the switch so they will be permanently on. You can place a new switch on the power cable.
Yes, Mitsubishi did make a DLP that did not use a color wheel, but I am not sure if they still make it. It would be in the Diamond series and it uses 3 image units. I believe this was a professional set and was very expensive. You may have to ask around at you local electronics store to see if Mits still make this set.
I hope there's nothing wrong the the RGB circuitry. Here's what i recommend. degauss, recall the monitor. There's also a temperature setting for the monitor. Change it to COOL or NORMAL.
Complete service manual with an error search tree , sometimes there is a vertical ic defect by deformed capacitors hanging around that or a powerline from powersupply failed (sometimes there could be a defect fuse resistor to find ) or only a bad factory cold soldering by manipulate some passive components somewhere in vertical stage .
When a tv (Rear proyection) shows this coloration is the meanning that the red color is not there (the red color is generated by a red CRT). Now it can be really bad not having the tube working but before conclution make sure of this: (and if the red color gets back then the tube is ok)
is this condition the same in all inputs? or the picture looks ok with a different video source (VCR, DVD other)
are the menu letters same as the picture looks or are they fine?
If we cannot see any red color back with this testing, still chances that a technician find an electronic problem that make the tube to be off. so don't rush conclusions and get to the end to save the tv with out replacing the red tube, but if all was done and nothing then the tv needs the tube replacing.
You have tried the monitor on more than one known good computer, yes?
I believe about 4" inside this monitor in the back the vga cable or connector connects to a board with an in-line connector. Can you see if this connector (internal to the monitor) in connected?
Have you tried a different cable? It could be broken. On my Plus 91 with special software (Powerstrip) I can get the refresh rate up to 119Hz at 1024 x 768, but I use 1280 x 960 at 96Hz as it's the highest res I want to use for prolonged periods of time as 96Hz doesn't give me eyestrain no matter how long I stare at this thing.
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