Read Sharp XG-NV4SE (serv.man4) Service Manual online
23
XG-NV4SE/SM
XG-NV40SA
XG-NV40SA
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.
signals specified in the Adjusting conditions.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
1
EEPROM
initialization
initialization
1. Turn on the power (make
sure the lamp lights up) and
warm up the unit for 15 min-
utes.
warm up the unit for 15 min-
utes.
»
Make the following settings:
Press S5001 to call up the process mode and
execute S2 in the SSS menu. Now the system, with
the PC board not included, is initialized. Do not
execute S1 because otherwise the PC board will be
initialized.
To adjust the PC board, follow the instruction in
"Adjusting the PC board". (See page 28)
Press S5001 to call up the process mode and
execute S2 in the SSS menu. Now the system, with
the PC board not included, is initialized. Do not
execute S1 because otherwise the PC board will be
initialized.
To adjust the PC board, follow the instruction in
"Adjusting the PC board". (See page 28)
2
R drive
1. Make the following choice.
Group : A/D
Subject : GAIN
Make sure the GAIN value
is 163.
Subject : GAIN
Make sure the GAIN value
is 163.
2. Make the following choice:
Group : OUTPUT 2
Subject : BRIGHT
Reduce the brightness level
by 4 points.
Subject : BRIGHT
Reduce the brightness level
by 4 points.
3. Feed the 100% red-only sig-
nal. Make the following
choice.
Group : A/D
Subject : R-D
choice.
Group : A/D
Subject : R-D
»
Using the control switches or the remote controller
buttons, adjust the data so that the signal becomes
bit-less (noise).
buttons, adjust the data so that the signal becomes
bit-less (noise).
3
B drive
1. Feed the 100% blue-only
signal. Make the following
choice.
Group : A/D
Subject : B-D
choice.
Group : A/D
Subject : B-D
»
Using the control switches or the remote controller
buttons, adjust the data so that the signal becomes
bit-less (noise).
buttons, adjust the data so that the signal becomes
bit-less (noise).
4
G drive
1. Feed the 100% green-only
signal. Make the following
choice.
Group : A/D
Subject : G-D
choice.
Group : A/D
Subject : G-D
»
Using the control switches or the remote controller
buttons, adjust the data so that the signal becomes
bit-less (noise).
buttons, adjust the data so that the signal becomes
bit-less (noise).
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