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Re: screen role red and green wavie lines.
Mitsubishi uses a proprietary 7-segment color wheel with true red,
green and blue segments (two of each color) and a special neutral gray
7th segment, which enhances the ability to reproduce dark details in
The Mitsubishi ALPHA Series LCoS TV has no color wheel.
It uses a 3-chip light engine design, with one chip dedicated to red, blue and green.
Please unplug the power cable fro the tv and wait for 10 mintues and if the issue exits please use numbers:
FAX:WEB SITE:http://www.mitsubishi-tv.comFTP SITE:E-MAIL ADDRESS:ADDRESS:
Mitsubishi Digital Electronics
9351 Jeronimo Road
Irvine, California 92618
Division of the Mitsubishi company that
manufactures various electronics such as TV's, DVD drives,
VCR's, speakers, etc...
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This TV is a rear projection television and does not have a lamp. It has three CRT color guns (Red, Blue, and Green). You have a convergence issue (the red, blue and green color guns aren't aligned properly) and it doesn't sound like a very big one. You should be able to adjust this through the CONVERGENCE Menu in ADVANCED SETTINGS. More details can be found in your manual, here. The model number isn't exactly the same but I'm sure the process is identical or really close.
The other option would be a bad IC (integrated circuit) for the convergence control. This is unlikely unless your picture looks something like this:
when picture is getting smaller in size or goes away or moves towards one side then hit your TV lightly on left side or right side or on top & then observe ..........you will get normal picture or it comes & again it goes....if it is happening like that then following is the situation..........after 4 or 5 yrs in some TVs on main board at some soldering joints crack develops....then due to loose contact picture becomes small in size or disappears ...........when we hit that lightly then those loose contacts joins temporarly & again picture appears for some time............so solution is ......TV main board should be observed carefully & most of the joints should be re-soldered.......only a good service engineer can do that........even after hitting TV lightly if there is no response then main board has to be checked completely........in your case iam sure it is loose connection problem.........joints should be re - soldered ...100% it works again................this problem cannot be solved by user unless user has idea about components( resisitors, transisitors, diodes,...etc) , have soldering iron , multimeter & other tools....................so contact good TV service engineer
There are some transistors attached to heatsinks (small heatsinks) on the left portion of the chassis. this board that has the input board attached to it is the signal board. those transistors are regulators they are labled 7809 or 7805 depeding if they are 9 or 5 volt regulators. use a multimeter to determine if one pin has 9v (or 5v) coming from it. if not this is your problem. i see alot 9v regulators going bad, some take the cap attached to the 3rd leg with it so check that too. if this sounds overwhelming it might be a job for a repair tech.
we just picked upi a VS-60607 60 inch projectoin tv, There are several issues with this television. when powered on the colors are allconstrued and teh image is often chopped and warped, we hooked upi the cable yet there are only two local channels recieved and the power will turn off randomly every severl minutes. Any thooughts?
If your tv has a picture tube,your problem is in it.
If you have only one line now,the vertical circuit is not working.
You could have jarred something loose around the picture tube.Maybe a yoke lead ???