NEC MultiSync 4FGe Service Manual page 25

(14) SUB-BRIGHT Adjustment
Short SW44 on Adjustment jig.(TP-B @ and @)
Receive an ail-black signal of signal 3. Turn the brightness control
fully clockwise.
Adjust VR708 clockwise to obtain 6cd/d ±0.5 (using an analyzer).
Receive the window pattern of signal 13.Set Y=Yl ±O.005 using VR709
Set X=X1 ±0.005 using VR707.
Repeat steps (d) and (e) until the following settings are achieved.
Y=Yl ±0.005
X=X1 ±0.005
(Xl and Yl are the values measured in step (d) of procedure (13).
Remove the short between SW44 on Adjustment jig.(TP-B @ and @)
(15) Color Mode Color Temoerature
Initial setting of the adjustment VRs.
CONTRAST control :
BRIGHT control :
COLOR SW position, : N(leftmost position)
Receive signal 13.
Short CN-TP @,@,@I and @.(Use CN-TP on Adjustment jig)
Switch to level 2 and confirm that the LED lights.
Short SW42 on Adjustment jig.(TP-A @ and 0)
Use the user controls to adjust the color temperature to:
x=0.300 ±O.003
Y=O.305 ±0.003
Push MEMORY RECALL SWITCH(SW109)
Release the short CN-TP @,@,@I and 0.
Receive an all-black signal of signal 3.
Turn the brightness control fully clockwise.
Switch to level 3 and confirm that the LED turns on and off.
Use the user controls to adjust the color temperature to:
x=0.300 ±0.005
Y=O.305 ±O.005
Push MEMORY RECALL SWITCH(SW109)
Remove the short SW42 on Adjustment _iig.(TP-A @ and 0)
(16) Focus Adjust
Turn the contrast control clockwise.
(a)
Turn the brightness control to the point where the raster
just disappears.
Receive the "$" character with 4 dots missing.
Adjust the FBT focus VR to achieve the best focus.
c
Signal 3 (VGA480)
Signal 13 (VGA480 WINDOW)
Signal 3 (VGA480)
Signal 13 (VGA480 WINDOW)
Fully clockwise
Fully counterclockwise
for at least 2 seconds.
for at least 2 seconds.
signal 7 (800X600(72))
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