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It sounds like the color settings are out of whack, try going to the tv settings and reset them back to default. Then try changing the Red green blue values (RGB) in the color settings, simply lowering the red value might do the trick
I happen to share this same problem. The alignment of the gridlines on the standard convergence panel are completely abnormal, and if I attempt to auto-adjust the TV, it flashes different colors on the sides of the screen , and then turns off the convergence settings.
Have convergence IC's replaced. I believe this unit uses STK-392-570 convergence IC's Only one has gone bad but replace them both, because if one has failed then the other is not far behind, for Blue and Green. One handles Red, One handles BLUE and Grn. There are only two of them in the set, They are the two largest IC's in the entire set.
Have you tried to do set the convergence with a pattern on the screen? Some tv's have the pattern built right into the setup. Others do it auto just by pushing a button. Adjusting the pattern on one side of the screen may affect the other side, depending on how far out of whack it is.
Magnets (speakers) near by will play havoc with convergence.
Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.
The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded over.
Touch-up Convergence adjustments
Enter the Digital Convergence Mode (DCM) by entering 0-6-2-5-9-7-(Status or Index) on the Remote control. The following menu will appear:
Select an active channel or Aux Input. A signal must be applied to the set when performing convergence.
If any Customer Adjustments need to be made, the Menu button can be used to toggle between the Customer Menu and DCM. The MPOSD ADJUST is used to center the Customer Convergence grid. A
highlighted cross will appear along with the Convergence alignment grid. The highlighted cross should be centered onto the center of the Convergence grid.
To perform a Touch Up Convergence, highlight SELECTION and press the right cursor button on the remote. The following menu will appear:
Selections STORE, RESTORE FACTORY, and RESTORE DEFAULT are not shown after selecting
SELECTION. Press the cursor down button on the Remote for these selections to appear. RESTORE
FACTORY loads Convergence defaults from the Factory Loaded section of the Convergence Memory IC.
RESTORE DEFAULT loads Convergence defaults from the sets software.
To perform a Touch-up Convergence:
1. Enter the Convergence Mode and select RED TO GREEN or BLUE TO GREEN. Do not select
GREEN (Green Geometry) without placing a Template over the screen. To perform Green
Geometry, refer to the Complete in-depth Convergence.
2. Use the Cursor buttons on the Remote to Navigate from one adjustment point to another. Press the
Status or Index button on the Remote to select ADJUST. Use the cursor buttons on the Remote to
adjust the Red to Green or Blue to Green. Press the Status or Index button again to navigate to the next adjustment location.
3. After Convergence alignments are complete, press the Menu button on the Remote to return to the SELECTION menu.
4. Highlight the STORE selection and press the right cursor key on the Remote to save changes.
5. Use the GREEN TO RED or GREEN TO BLUE selections to perform convergence when the Green CRT has been replaced.