Crt Yoke Rotation - JVC 330 Service Manual

1. Press the Power ON key to turn on the projector (press both power keys
simultaneously if using the tethered remote). The Ignitor circuit will ignite
the arc lamp and power will be applied to the electronics system.
NOTE: If using a terminal or PC, turn full power on by typing CTRL-P.
To power up the electronics only, type CTRL-E. To power up the lamp
only, type CTRL-L. These are toggle commands; repeated issuance of the
commands toggles these power sources on and off. The lamp and
electronics cannot be powered up separately with the remote controls.

3.2 CRT Yoke Rotation

The CRT deflection yokes are factory set. If the CRT image is not level, adjust the
individual CRT deflection yoke as required (see Figure 3-1).
WARNING!!!
when performing the yoke rotation, always wear ANSI/ASTM
10,000 volt rated safety gloves for protection from high yoke
voltages present. Ensure the gloves are not cracked!
To adjust the deflection yokes:
2. Press T
3. Cutoff R and B and view G.
4. Remove the rear projector cover (see Section 4.2).
Model 330, 340SC, 370SC Service Manual
To prevent possible electrical shock
2 to display the White X-hatch pattern.
EST
Chapter 3---Service Adjustments
3-3