If you are looking to perform a G2 adjustment and electrical focus on your Sony or other common rear projection television yourself, the following detailed procedure will help you do it properly.

G2 Adjustment Procedure

1. Turn the green screen control on the Focus Block until retrace lines appear and gradually turn it back until the point where you can see the retrace line disappears, just before cutoff.


2. Turn the red screen control on the Focus Block until retrace lines appear and gradually turn it back until the point where you can see the retrace line disappears, just before cutoff.


3. Turn the blue screen control on the Focus Block until retrace lines appear and gradually turn it back until the point where you can see the retrace line disappears, just before cutoff.


4. If the screen still appears too bright after proper G-2 adjustment, you need to adjust the sub-bright adjustment in the service menu control down until screen cut-off. (Service data Range is usually 21 to 25 in the Service menu, for Sony sets you first go to category "MCP2", & then adjustment item 01 ("SBRT") = subright.

Electrical Focus

For electrical the focus, put on the screen a clear picture of your choice thru an input of the TV set from a DVD, then pause the playback of the DVD Look into each color and rock that color focus control back and forth (turn the control one way then the other way slowing down as the picture goes into the best focus. till the picture looks sharp do each color till they all look in focus. NOTE: it is best to look into each color tube to achieve the best electrical focus. For optical focus please follow the manual lens adjustment in the sets service manual.