Sharp XG-C40XE (serv.man3) Service Manual ▷ View online
3
XG-C40XU
(
1
)
XG-C40XE
(
1
)
Ref.No.
Description
Current
New
Note
OPTICS MECHANISM PARTS
XG-C40XU(1)
/
XG-C40XE(1)
6-37
LCD Module Unit Red
RLCDP0141CEZZ
RLCDPA004WJZZ
6-38
LCD Module Unit Green
RLCDP0142CEZZ
RLCDPA005WJZZ
6-39
LCD Module Unit Blue
RLCDP0143CEZZ
RLCDPA006WJZZ
6-47
Screw M2.6-8, x12
XASSF26P06000
XASSF26P08000
6-83
Emergent Polarizer B
PFiLW0295CEZZ
PFiLW0300CEZZ
6-91
Flyeye Lens Aperture
PSLDP3078CEFW
—
Delete
SUPPLIED ACCESSORIES
XG-C40XU(1)
/
XG-C40XE(1)
CD-ROM
UDSKA0053CEN1
UDSKA0059CEN1
CD-ROM
UDSKA0057CEN1
UDSKA0059CEN1
SERVICE JIGS
XG-C40XU(1) XG-C40XE(1)
Extension Cable 20-pin
QCNW-5058CEZZ
QCNW-5419CEZZ
Extension Cable 32-pin
QCNW-5688CEZZ
QCNW-4852CEZZ
Clearing the Password
ON ENTER ON ENTER ON ENTER
MENU
MENU
If you forget your password, you can use the following
procedure to clear the password.
procedure to clear the password.
This procedure can be performed either from the projector
or with the remote control.
or with the remote control.
(Slide the MOUSE/ADJUSTMENT switch
on the remote control to the ADJ.position.)
on the remote control to the ADJ.position.)
4
XG-C40XU
(
1
)
XG-C40XE
(
1
)
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 SW5101 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".
Press SW5101 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".
2
3.3V power
supply
adjustment
supply
adjustment
1. Turn on the power.
2. Connect the digital voltme-
2. Connect the digital voltme-
ter to TP1446.
»
Adjust R1649 so that the voltmeter should read
3.43
3.43
±
0.03 Vp-p.
3
2.5V power
supply
adjustment
supply
adjustment
1. Turn on the power.
2. Connect the digital voltme-
2. Connect the digital voltme-
ter to TP1447.
»
Adjust R1652 so that the voltmeter should read
2.60
2.60
±
0.05 Vp-p.
4
R drive
»
Using the control switches or the remote controller
buttons, adjust the data so that the signal be-
comes bit-less (noise).
buttons, adjust the data so that the signal be-
comes bit-less (noise).
1. Feed the 100% red-only sig-
nal. Make the following
choice.
Group : A/D
Subject : R-D
choice.
Group : A/D
Subject : R-D
5
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 be-
comes bit-less (noise).
buttons, adjust the data so that the signal be-
comes bit-less (noise).
6
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).
3.6Vp-p
(Adjust to 2.5V
DC for red and
blue.)
DC for red and
blue.)
(Adjust to 3.6Vp-p
for green and blue.)
for green and blue.)
2.5V
7
RGB 1 system
black level
signal amplitude
(odd-numbered)
black level
signal amplitude
(odd-numbered)
1. Make the following choice:
Group : OUTPUT 1
Subject : G1-BLK
Subject : G1-BLK
G1-GAIN
For red, choose the sub-
jects R1-BLK and R1-GAIN.
For blue, choose the sub-
jects B1-BLK and B1-GAIN.
jects B1-BLK and B1-GAIN.
2. Connect the oscilloscope to
TP1101 for red.
TP1201 for green.
TP1301 for blue.
TP1301 for blue.
»
Choose the subject G1-GAIN and adjust the sig-
nal amplitude to 3.6
nal amplitude to 3.6
±
0.1 Vp-p using the control
switches or the remote controller buttons.
»
Next,choose the subject G1-BLK and adjust the
white to white level to 2.5
white to white level to 2.5
±
0.1V DC.
»
Adjust the signal's amplitude and white to white
level to 2.5
level to 2.5
±
0.1 DC and 3.6
±
0.1V Vp-p, respec-
tively, for red and blue.
5
XG-C40XU
(
1
)
XG-C40XE
(
1
)
No.
Adjusting point
Adjusting conditions
Adjusting procedure
8
P SIGNAL
1. Connect the oscilloscope to
TP1102 for red.
TP1202 for green.
TP1302 for blue.
TP1302 for blue.
2. Make the following choice:
Group : OUTPUT 2
Subject : PSIG-H
Subject : PSIG-H
PSIG-L
3. Using the horizontal 10-step
signal, make sure no vertical
stripes appear every 12 dots.
(If any white or black vertical
stripes appear, finely adjust
the PSIG-L setting.)
stripes appear every 12 dots.
(If any white or black vertical
stripes appear, finely adjust
the PSIG-L setting.)
»
Adjust the PSIG waveform as shown below.
»
Make sure that the (G) and (B) waveforms are similar
to that of (R).
to that of (R).
Adjust the PSIG-H setting.
Adjust the PSIG-L setting.
3.7V 0.1V
2.3V 0.1V
GND
(With XGA signal input)
9
Sample and
hold pulse
phase checking
hold pulse
phase checking
1. Feed the XGA-mode 75-Hz
black signal.
2. Select the following group
and subjects.
Group : OUTPUT3
Subject: SH-PHASE,
Group : OUTPUT3
Subject: SH-PHASE,
GCK-PHASE
»
Make sure that the SH-PHASE and GCK-PHASE
settings are 11 and 6, respectively.
settings are 11 and 6, respectively.
10
RGB counter-
voltage
adjustment
voltage
adjustment
1. Feed the black-and-red
(25%) stripe signal (XGA).
2. Make the following choice:
Group : OUTPUT 3
Subject : RC (R)
Subject : RC (R)
»
Using the control switches or the remote controller
buttons, adjust the data in order to minimize the
flicker.
buttons, adjust the data in order to minimize the
flicker.
»
Make the same adjustment for BC (B), GC (G).
»
See if the image is equally adjusted at the center
and both sides of the screen. If not, readjust the
setting to have the image equal at right and left.
and both sides of the screen. If not, readjust the
setting to have the image equal at right and left.
11
RGB gradation
regeneration
adjustment
regeneration
adjustment
1. Feed the green-only SMPTE
pattern signal (XGA).
Group : OUTPUT 1
Subject : G1-BLK
Group : OUTPUT 1
Subject : G1-BLK
»
Adjust the G-BLK data until the gradation of the
portion
portion
1
(95% and 100% white) shown below
can be slightly recognized. Make sure also that the
gradation of the portion
gradation of the portion
2
(0% and 5% black) is
visible.
12
RGB white
balance
balance
1. Feed the 32-step gray scale
signal (XGA).
Group : OUTPUT 1
Subject : R1-BLK (R)
Group : OUTPUT 1
Subject : R1-BLK (R)
B1-BLK (B)
»
Choose the subjects R1-BLK and B1-BLK and
adjust the black balance of the gradation.
adjust the black balance of the gradation.
1
2
6
XG-C40XU
(
1
)
XG-C40XE
(
1
)
No.
Adjusting point
Adjusting conditions
Adjusting procedure
13
Horizontal
center
center
1. Feed the NTSC monoscope
pattern signal.
2. Group : VIDEO 2
Subject : N358-DLY (4)
N443-DLY (0)
PAL-DLY (3)
SECAM-DLY (0)
PAL-DLY (3)
SECAM-DLY (0)
Make sure the settings are
as above.
3. Group : VIDEO 1
3. Group : VIDEO 1
Subject : NTSC-H
»
Using the control switches or the remote controller
buttons, adjust the data to have the same overscan
in Reft and Right.
buttons, adjust the data to have the same overscan
in Reft and Right.
2.0Vp-p
14
Video picture
adjustment
adjustment
1. Feed the split colour bar sig-
nal.
Group : VIDEO 1
Subject : PICTURE
Group : VIDEO 1
Subject : PICTURE
2. Connect the oscilloscope
between pin (2) of P801 and
GND.
GND.
»
Using the control switches or the remote controller
buttons, adjust the black-to-white (100%) level
difference to 2.0
buttons, adjust the black-to-white (100%) level
difference to 2.0
±
0.06 Vp-p.
17
Tint
1. Feed the split colour bar
signal.
Group : VIDEO 1
Subject : TINT
Group : VIDEO 1
Subject : TINT
2. Connect the oscilloscope to
pin (4) of P801.
»
Using the control switches or the remote controller
buttons, adjust the data to have the -(B-Y) wave-
form downhill straight.
buttons, adjust the data to have the -(B-Y) wave-
form downhill straight.
»
After adjusting, adjust the
value of TINT up 3 point.
value of TINT up 3 point.
16
Video AGC
1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : AGC
Subject : AGC
»
Using the control switches or the remote controller
buttons, adjust the setting until the white signal
becomes bit-less.
buttons, adjust the setting until the white signal
becomes bit-less.
15
Video
brightness
adjustment
brightness
adjustment
1. Feed the baseband (split
colour bar) signal. (The ON-
AIR signal is not accepted
because of its too much
noise.)
Group : VIDEO 2
Subject : VROS/VGOS/VBOS
AIR signal is not accepted
because of its too much
noise.)
Group : VIDEO 2
Subject : VROS/VGOS/VBOS
2. Press the control switch or
the remote control’s mute
button (to set the gamma
correction to the process
setting).
button (to set the gamma
correction to the process
setting).
»
Using the control switches or the remote controller
buttons, adjust the setting until the black signal
becomes bit-less.
buttons, adjust the setting until the black signal
becomes bit-less.
100% White Red
18
NTSC colour
saturation level
saturation level
1. Feed the split colour bar sig-
nal.
Group : VIDEO 1
Subject : N-COLOR
Group : VIDEO 1
Subject : N-COLOR
2. Connect the oscilloscope to
pin (1) of P801.
»
Using the control switches or the remote controller
buttons, adjust the difference between the 100%
white portion and the red portion to 0.00
buttons, adjust the difference between the 100%
white portion and the red portion to 0.00
±
0.05 Vp-p.
(same as 100% white)
