Date: 10/02/98 R762120
G2+DIAGNOSTIC
R762120
11
The alignment is restricted to the adjustment of :
- alignment of the +1020V
- pre-alignment of the BLACK BALANCE
ADJUSTMENT PROCEDURE 'G2 DIAGNOSTIC MODULE'
Adjustment procedure
HIGH VOLTAGE WARNING
To avoid DANGER TO LIFE, do not attempt to service the chassis
until all precautions necessary for working on HIGH VOLTAGE
equipment have been observed.
Alignment
WARNING
:
The power must be OFF before removing any connector from
circuit board or unit. Failure to do so may result in severe damage to the
projection unit.
-Turn the projector off.
- Put the module on the extension boards.
- Connect to the VIDEO input e.g. an electronic colour test video signal.
- Switch the projector in the VIDEO MODE. Select source 1.
Preparation
Black balanceadjustment
P4(R) P3(G) P2(B)
P1 Adj. 1020V
Measure point for the
+1020V adjustment (R15)
