Philips PTV800, Service Manual

Page: 88 / 567

9. Remove the 7" X 7" piece of cardboard from the Blue Output Lens and cover the Red Lens.
10. Repeat the procedure in steps 5 and 6 by adjusting the Blue icons to the Green.
11.
When convergence alignment is complete, save the data by selecting "1" from the
convergence service menu.
12. Remove the 7" X 7" piece of cardboard from the Blue Output Lens.
Refine the complete performance of the Convergence as described in the "Convergence
Procedure".
HORIZONTAL PHASE
1. Enter the Service Setup Mode (06-25-96-Menu).
2. Select register number 02 (Brightness) and note the present hex value. Increase the value to
7C.
3. Select Register number 42 (Horizontal Width) and note the present hex value. Reduce the
Horizontal Width by approximately 1 1/2 to 2 inches.
4. Tune the set to an active off air or cable channel.
Note: It is recommended that a signal source other than a generator be used to do this
alignment. Use an RF signal source such as a broadcast channel.
5. Select register 48 (Horizontal Phase).
6. Using a 7" X 7" piece of cardboard cover the Red and Blue CRT Output Lenses.
7. Adjust the Horizontal Phase to center the picture information onto the reduced raster. This
centering can easily be accomplished by observing the left and right edge of the reduced
raster.
8. Select register 42 and set the value as previously noted in step 3 of this procedure.
9. Select register number 02 (Brightness) and set the hex value as previously noted in step 2 of
this procedure.
10. Remove the 7" X 7" pieces of cardboard.
11. Typical default value is 11.