Repair manual

CALIBRATION & ADJUSTMENTS
5-4
Figure 5-1. Electrical/Final Assembly Alignment of the CRT
Procedure:
Warning
Most of the following steps must be done with
the power on. Use extreme caution to prevent
electrical shock.
1. Turn the power on.
2. Load the Gentest program and a full white screen will appear on the CRT.
3. Adjust R46 course brightness (Figure 5-2) to a level that’s easily visible to the
eye-approximately 6 ft. Lamberts.
4. Bring up the “tennis court” pattern by selecting DP.GTI from the Gentest menu.
Reverse the image so there are black lines on a white court. Do this by selecting
REVERSE VIDEO OFF from the Gentest menu.