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You need to align the optics mechanically. If you changed the dlp chip and its not centered then the chip is not shimmed properly or the reflection mirror behind the lens needs adjustment. You should get a service manual for that chassis and follow the directions. there may be an electronic method but I am not aware of one.
a lot of these just have bad solder connections, but its a convergence failure either way. http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence Let me know if I can be of further assistance.
These procedures are from the owners manual, go into menu and then picture quality and then:
The Convergence feature lets you adjust the TV’s three tubes. When the TV tubes’
images are precisely aligned, they create the color images you see on the screen.
Over time, the picture can drift out of alignment (this is normal). If your picture
seems fuzzy or has a yellow tint, using Convergence could correct this
misalignment. Only one convergence is needed for all inputs, regardless of the
Note: Make sure the TV has been on for at least 30 minutes (TV needs to
warm up for best results) before starting Auto Converge or Red/Blue
When you select the Convergence feature, a submenu appears with three options:
Auto Converge Automatically aligns the projection lenses to self-correct
color images. You’ll see flashing squares of color dance across the screen
(this is normal).
Note: After performing auto convergence, use the Blue Centering and
Red Centering menus to fine tune convergence in the center of the
screen, if necessary.
Blue Centering Aligns the blue and green images to fine-tune the picture.
Red Centering Aligns the red and green images to fine-tune the picture.
Note: The ability to change channels is disabled when adjusting the
convergence options. The TV must be tuned to a usable signal to
converge the picture.
Your TV has three picture tubes which are aligned to properly converge the projected light beams on the screen. Each picture tube projects a single color of Blue Green or Red. During production your TV was carefully adjusted to properly align these colors. As a feature you have the ability to adjust these colors.thats called convergence.If you don't have a manual to show you how to adjust you can find one here http://www.mitsubishi-tv.com/support.html
Adjust the convergence or reset it to factory default. Use only the remote when adjusting convergence. The front controls have no effect.
Press action button to enter MENU.
Navigate to SETUP.
Scroll down to CONVERGE.
Press VOL > to select.
Press CH buttons to navigate up or down.
Choose CONVERGENCE ADJ or RESET TO DEFAULT.
Press VOL > to select.
If CONVERGENCE ADJ is selected the align Green to Center screen will be displayed.
Use the navigation buttons on the remote control to align the horizontal and vertical green lines on screen, with the cabinet reference marks on top center and left center of cabinet.
Press ACTION button to display red center correction screen.
Use the navigation buttons on the remote control to align the red cross with the white cross pattern at the center of the screen. To prevent picture tube damage do not leave test pattern on for an extended period of time.
Press “0” on the remote control keypad to display the BLUE center correction screen, repeat procedure for adjusting blue. If needed press “0” again to return to RED correction screen. An adjusted cross pattern appears white with a minimum of color protrusion.
NINE POINT CONVERGENCE CORRECTION Remote Control must be in TV mode.
Press ACTION button to display red correction screen.
Press the 1 through 9 keypad buttons on the remote control to select the desired convergence position.
Use the navigation buttons to align the RED cross with the white cross pattern.
Press “0” on the remote control keypad to display the BLUE correction screen, then repeat procedure.
To exit press ACTION button repeatedly, then press CH up.
Good Day y'all;
When the is picture being intermittent and bowing then the most common problem is that the convergence circuit has failed or is failing. If you don't get fixed, the will go DOA soon.
Good Luck, big IRISH.