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Sharp XG-NV4SU Service Manual page 25

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I
XG-NV4SU
ELECTRICAL
ADJUSTMENT
Hook up a signal generator, or a DOSV or Mac personal computer to the projector in order to feed the
signals specified in the Adjusting conditions.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
1
EEPROM
1. Turn on the power (make
l
Make the following
settings:
initialization
sure the lamp lights up) and
Press S5001 to call up the process mode and
warm up the unit for 15 min-
execute S2 in the SSS menu. Now the system, with
utes.
the PC board not included,
is initialized.
Do not
execute Sl because otherwise
the PC board will be
initialized.
To adjust the PC board, follow the instruction
in
"Adjusting
the PC board". (See page 30)
2
R
drive
1. Make the following
choice.
l
Using the control switches
or the remote controller
Group
: AID
buttons, adjust the data so that the signal becomes
Subject : GAIN
bit-less (noise).
Make sure the GAIN value
is 163.
,
2. Make the following
choice:
Group
: OUTPUT 2
Subject : BRIGHT
Reduce the brightness level
by 4 points.
3. Feed the 100% red-only sig-
nal.
Make
the following
choice.
Group
: AID
Subject : R-D
3
B drive
1. Feed the 100% blue-only
l
Using the control switches or the remote controller
signal. Make the following
buttons, adjust the data so that the signal becomes
choice.
bit-less (noise).
Group
: A/D
Subject : B-D
4
G
drive
1. Feed the 100% green-only
l
Using the control switches
or the remote controller
signal. Make the following
buttons, adjust the data so that the signal becomes
choice.
bit-less (noise).
Group
: AID
Subject : G-D
25

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