How to Perform a Convergence on a Projection TV

By eHow Electronics Editor

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Occasionally, you will need to perform a convergence on a projection TV to make sure the picture quality appears correctly. Most projection TVs have an auto convergence option or a manual convergence option. Here is a brief guide on using both.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

Step1
Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.
Step2
Enter the menu on your TV. Use the remote control and bring up the menu.
Step3
Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
Step4
Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
Step5
Press "Enter." A crosshair pattern will appear on your screen.
Step6
Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
Step7
Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
Step8
Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
Step9
Repeat these steps for all colors.

Tips & Warnings

  • You should set your convergence every three months.
  • When you see colored shadows or ghost images, then it is time to perform a convergence.
  • If performing a convergence does not fix the problem, your TV may need servicing.

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eHow Article: How to Perform a Convergence on a Projection TV

eHow Electronics Editor

eHow Electronics Editor

Category: Electronics

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