Appendix B: G2 adjustment

BG2 ADJUSTMENT

Once the on-screen menu "G2 ADJUSTMENT" is displayed, proceed as follows :

Remove the top cover from the projector (see p.4-1) 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 (see Photo 2).

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 retaining screws on both sides and pivot the cover to the front side of the projector (see Photo 1);

-Adjust the G2 potentiometers (see Photo 3) 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.

3

Green potentiometer

Red potentiometer

Blue potentiometer

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.

1

2

*￿￿$'-8670(17

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.

<EXIT> to return

Retaining screws

Green LEDs

5975996 BARCODATA 808s 170397

 

B-1

 

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Image 40
Barco R9002031, R9002038 installation manual $-867017, G2 Adjustment

R9002038, R9002031 specifications

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