G2 ADJUSTMENT
PV152
1-35
PRO1200 G2 ADJUSTMENTS
Once the on-screen menu "G2 ADJUSTMENT" is displayed,
proceed as follows :
• Remove the top cover from the projector and open the
front metal protection cover by turning out the 3 retaining
screws on both sides.
• A green LED is mounted on each of CRT sockets .
When selecting the G2 adjustment menu, these green LEDs
must be out. If not, follow the procedure below to adjust
the G2 :
- Open the second metal cover by turning out the retain-
ing screws on both sides and pivot the cover to the front
side of the projector
- Adjust the G2 potentiometers very slowly with a plastic
tweaker until the LED of the corresponding amplifier just
stops illuminating. Repeat the adjustment for the other
colors;
- After the three G2 potentiometers have been correctly
adjusted, close both metal covers and secure with the
retaining screws.
After finishing the adjustments :
Press the
<ENTER>
key to continue with the
"SERVICE"
menu.
Press the
<EXIT>
key
to
return to the
"SERVICE"
menu.
Press the
<ADJUST>
key to return to Operational mode.
G2 ADJUSTMENT
<EXIT> to return
Use the potentiometers
on the G2-ADJ. module
to set the screen grid
voltage for Red,
Green and Blue.
Adjust until the LED
on the corresponding
output amplifier is
turned off.
