XR-10S (serv.man13). Electrical Adjustments - Sharp Projector Service Manual (repair manual)

xr-10s (serv.man13) service manual
Model
XR-10S (serv.man13)
Pages
6
Size
33.23 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Electrical Adjustments
File
xr-10s-sm13.pdf
Date

Read Sharp XR-10S (serv.man13) Service Manual online

24
XR-10X/S
XR-20X/S
ELECTRICAL ADJUSTMENT
1
EEPROM
initialization
1. Turn on the power (with the
lamp on) and warm up the
set for 15 minutes.
» Make the following settings.
Press S2551 to call the process mode and execute
"SS2" on SS menu.
3
Adjustment of
CW index
1. Signal input: Send 256
STEP color bar.
XGA series (XGA60HZ),
SVGA series (SVGA60HZ)
2. Select the following group
and subject.
Group: ADJUST
            CW/Auto KS
Subject: CW-INDEX.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
4
R/G/B contrast
adjustment
(manual or
automatic)
1. Select the following group
and subjects.
Group : ADJUST
  AD/DLP
Subject : R-CONT
G-CONT
B-CONT
(Process GAMMA interlock)
2. Feed white signal with the
amplitude level of 96%
(0.67Vpp). XGA series
(XGA60HZ), SVGA series
(SVGA60HZ)
1. Measure chromaticity of the 96% white wind pattern
using CA100.
2. On the screen where bit dropouts occur, raise the
values of R/G/B-Contrast. Adjust the values so that
bright red, green, and blue bit dropouts appear on a
black background; and amounts of change in x value
of R and y values of G/B become 100/1000 or more.
3. If adjustment is performed manually watching the
screen, make adjustment so that bright red, green,
and blue bit dropouts appear on more than half of
the screen.
1. Feed the signal to input 1.
2. Select the adjustment item and adjust the lamp
gradation patterns of RGBW so that smooth
patterns without noise appear.
5
RGB white
balance adjust-
ment
1. Feed the 50% gray signal.
XGA series (XGA60HZ),
SVGA series (SVGA60HZ)
2. Select the following group
and subjects.
Group : ADJUST
  AD/DLP
Subject : R-GAIN
  G-GAIN
B-GAIN
1. Raise the values of two of R/G/B-GAIN (default:
100) so that the following chromaticity values are
obtained using CL200.
x value: 300 ± 5
y value: 320 ± 5
6
sRGB white
balance adjust-
ment
1. Feed the 50% gray signal.
XGA series (XGA60HZ),
SVGA series (SVGA60HZ)
2. Select the following group
and subjects.
Group : CONFIRM/DLP
Subject : S-G-OS
  S-B-OS
1. Adjust S-G-OS and S-B-OS so that the following
chromaticity values are obtained using CL200.
x value: 313 ± 5
y value: 329 ± 5
2
Model setting
(Process menu)
1. Select the following group
and subject.
Group: CONFIRM
Subject: MODEL
1. Set as below.
10X, 10S: 0
20X, 20S: 1 (default)
R
G
B
W
25
XR-10X/S
XR-20X/S
1
Adjustment of
RGB brightness
1. Select the following group
and subjects.
Group : CONFIRM/AD
Subject : R-BRIGHT
G-BRIGHT
B-BRIGHT
(Process GAMMA interlock)
1. Check the fixed value.
Fixed value
: 127
2
Adjustment of
Component
offset
1. Feed 10-step signal with
480P component 100%
amplitude.
2. Select the following group
and subjects.
Group : CONFIRM/AD
Subject : C-R-OS
C-B-OS
(Process GAMMA interlock)
1. Check the fixed value.
C-R-OS
: 260
C-B-OS
: 260
3
Adjustment of
DLP Brightness
1. Select the following group
and subject.
Group : CONFIRM/DLP
Subject : R-BLK
G-BLK
B-BLK
(Process GAMMA interlock)
1. Check the fixed value.
Fixed value
: 256
5
Adjustment of
Video Brightness
1. Feed NTSC 100% wind pat-
tern signal. (Signal with
burst)
2. Select the following group
and subject.
Group : CONFIRM/VIDEO
Subject : V-BRIGHT
1. Check the fixed value.
Fixed value
: 68
7
Auto keystone
initialization
(20X only) and
audio output
check
1. Select the following group
and subjects.
Group : ADJUST
  CW/Auto KS
Subject : CAL
1. With the set placed on a level surface, press the EN-
TER key and check that K-SENS value is 0 ± 3. Check
that keystone is caused by tilting the unit.
2. Check that the start-up sound is heard from the
speaker when the ENTER key is pressed.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
No.
Adjusting point
Adjusting conditions
Adjusting procedure
4
Video Contrast
adjustment
1. Feed NTSC 100% wind
pattern signal. (Signal with
burst)
2. Select the following group
and subjects.
Group : CONIRM/
  VIDEO
Subject : V-CONT
1. Check the fixed value.
Fixed value
: 124
Check items
No.
Adjusting point
Adjusting conditions
Adjusting procedure
26
XR-10X/S
XR-20X/S
8
RGB tone
reproduction
adjustment
1. Make sure the 100% and 95% white as well as the
0% and 5% black gradations are visible.
1. Feed the SMPTE pattern
signal.
9
VIDEO white
balance adjust-
ment
1. Feed the 50% gray signal.
2. Select the following group
and subjects.
Group : CONFIRM/VIDEO
Subject : V-R-OS
V-B-OS
1. V-R-OS is 132.
V-B-OS is 132.
(Reference chromaticity with CL200)
x value: 300
y value: 320
1. Select OFF from the process mode.
Make sure the off-timer starts with 5 minutes
onscreen and count one minute in one second.
And then indication is 0 minute, the power supply
of the set is cut off.
11
Off-timer per-
formance
1. Heat the thermistor with a
hair dryer.
1. Make sure that the temperature is indicated.
12
Thermistor
performance
checking
1. Feed the phase check pat-
tern signal.
1. In the VGA, SVGA, XGA and SXGA modes, make
sure the Clock, Phase, H-Pos and V-Pos settings
can be automatically adjusted.
13
Auto sync
performance
checking
10
White balance
checking and
readjustment
1. RGB Inputt
sRGB Input
VIDEO Input
DTV Input
DVD Input
Check that there is no deviation of white balance with
the monitor.
1. Send signals to INPUT 1
and INPUT 2.
2. Connect another monitor to
the monitor out.
3. Connect the audio OUT.
1. Check that the same images as seen on the screen
appear on the connected monitor and that the sound
from the sound source connected to the audio OUT
is heard.
14
Monitor out
check
1. Select the following group
and subjects.
Group : CONFIRM/CHECK
Subject : TEMP-OFF
7
Adjustment of
Video color
saturation
1. Select the following group
and subject.
Group : CONFIRM/VIDEO
Subject : V-COLOR
1. Check the fixed value.
Fixed value
: 154
6
Adjustment of
Video Tint
1. Feed split color bar.
2. Select the following group
and subject.
Group : CONFIRM/VIDEO
Subject : V-HUE
1. Check the fixed value.
Fixed value
: 128
27
XR-10X/S
XR-20X/S
1. Calling and quitting the process mode with the control keys on this model.
∗ Although it is possible for the process OUT to exit using the process menu, the IN/OUT toggle command is also
available considering the existing specification.
1-1. Calling and quitting
With the menu not displayed, press the "ENTER", "ENTER", "VOL+", "VOL-", "ENTER", "ENTER" and "MENU"
keys on the remote control (one for C50/45 or P25/20 system is also usable) or on the main unit.
1-2. Others
Press the S2551 process key (toggle) on the main PWB to call and quit the process menu.
Note: When adjusting in the process mode, set a signal with a vertical frequency of 60 Hz or no signal. (May not be
properly adjusted with other signals.)
2. Resetting the lamp timer for this model
2-1. Resetting procedure
In Stand-by, run this command to clear the operating time of the lamp to 0 and turn on the power.
Press and hold """, "ENTER", and "MENU", and then press the "STANDBY/ON" key of the set.
3. Forced disabling of the System-Lock of this model
3-1. Disabling procedure
With System-Lock input window onscreen, press the "MENU", "ENTER", "ENTER", "MENU", "ENTER", "ENTER"
and "MENU" keys, in this order, on the remote controller.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
1. Make the following settings.
Destination
Process
Remote control
adjustment
adjustment
USA
SS4
Factory setting at 4
China
SS6
Factory setting at 6
Others
SS3
Factory setting at 3
17
Delivery set-
tings
1. Connect the unit and a PC
with the RS232C cable.
1. Send a command from the PC, and check it func-
tions correctly.
15
RS232C opera-
tion check
1. Select the following group.
Group : INFO/VERSION.
1. The model name appears in the MODEL field, and
the firmware version in the VERSION field. Check
that they are correct.
16
Model name and
version check
* Writing a software program (before main PWB is mounted)
Use the DLP Composer Lite Ver. 4.2 or higher to download the firmware.
After writing the specified version of firmware to the PWB using the RS232C cable, check the version of the written
firmware.
If no software program is written, all three LEDs light up in the chassis inspection process.
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