G2 Adjustment; Gamma Corrections - Barco Cine 8 Manual

A

G2 ADJUSTMENT

G2 Adjustment
1 Enter the adjustment mode by pressing ADJUST (menu 1).
2 Highlight SERVICE.
3 Press ENTER to start up the service mode (menu 2).
4 Highlight G2 Adjustment
5 Press ENTER.
A safety notice will be displayed to warn the operator (menu 3).
If you are qualified, press ENTER to continue with the G2 adjustment, otherwise press EXIT to return to the service moenu.
If ENTER is pressed, the G2 menu will be displayed (menu 4).
ADJUSTMENT MODE
Select a path from
below :
IRIS
GUIDED
RANDOM ACCESS
INSTALLATION
SERVICE
Select with é or ê
then <ENTER>
<EXIT> to return.
menu 1
How to adjust the G2 ?
1 Remove the top cover from the projector (see Installation Guidelines).
2 Open the front metal protection cover by turning out the 3 retaining screws on both sides (Photo 1).
A green LED is mounted on each of CRT sockets (see Photo 2).
Retaining screws
Photo 1
5976065 BARCOCINE 8 10022000
SERVICE MODE
DYNAMIC ASTIGMATISM
G2 ADJUSTMENT

GAMMA CORRECTIONS

CRT RUN IN CYCLE
PROJECTOR WARM UP
CRT DRIVE MODE
MEMORY BANKS
source 1
MORE ...
Select with é or ê
then <ENTER>
<EXIT> to return.
menu 2
SAFETY
NOTICE
RISK OF ELECTRICAL SHOCK
G2 ADJUSTMENT SHOULD BE
PERFORMED BY BARCO
PERSONNEL, OR BARCO
IF QUALIFIED, PRESS
<ENTER> TO CONTINUE, OR
IF NOT, <EXIT> TO RETURN.
menu 3
Photo 2
Appendix A: G2 adjustment
G2 ADJUSTMENT
Use thepotentiometers
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
menu 4
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