Read Sharp XV-Z3100 (serv.man4) Service Manual online
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
4 – 1
XV-Z3100U
Service Manual
CHAPTER 4.
ELECTRICAL ADJUSTMENT
[1] ELECTRICAL ADJUSTMENT
Check items
No.
Adjusting point
Adjusting conditions
Adjusting procedure
1
EEPROM
initialization
initialization
1. Turn on the power (with the lamp on) and
warm up the set for 15 minutes.
warm up the set for 15 minutes.
•Make the following settings.
Press S6213 to call the process mode and execute
"SS2" on SS menu.
Press S6213 to call the process mode and execute
"SS2" on SS menu.
2
Model setting
(Process menu)
1. Select the following group and subject.
Group: CONFIRM
Subject: MODEL-SELECT
1. Select the following group and subject.
Group: CONFIRM
Subject: MODEL-SELECT
1. Set as below.
XV-Z3100 : 1 (default)
XV-Z3300 : 2
DT-510 : 0
XV-Z3100 : 1 (default)
XV-Z3300 : 2
DT-510 : 0
3
Adjustment of CW index
1. Signal input: Send 256 STEP color bar to
INPUT5.
(SVGA60Hz or XGA60Hz)
2. Select the following group and subject.
Group: ADJUST CW/Auto KS
Subject: CW-INDEX.
INPUT5.
(SVGA60Hz or XGA60Hz)
2. Select the following group and subject.
Group: ADJUST CW/Auto KS
Subject: CW-INDEX.
1. Adjust the lamp gradation patterns of RGBW so
that smooth patterns without noise appear.
that smooth patterns without noise appear.
4
R/G/B contrast adjustment
(manual or automatic)
(manual or automatic)
1. Select the following group and subjects.
Group : ADJUST/AD
Subject : R-CONT
G-CONT
B-CONT
(Process GAMMA interlock)
2. Feed white signal with the amplitude level
of 96% (0.67Vpp) to INPUT5.
(SVGA60Hz or XGA60Hz)
Group : ADJUST/AD
Subject : R-CONT
G-CONT
B-CONT
(Process GAMMA interlock)
2. Feed white signal with the amplitude level
of 96% (0.67Vpp) to INPUT5.
(SVGA60Hz or XGA60Hz)
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.
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.
5
White balance adjustment
1. Feed the component 75% gray signal to
INPUT5.
2. Select the following group and subjects.
Group : ADJUST
WB
Subject : R-GAIN
B-GAIN
INPUT5.
2. Select the following group and subjects.
Group : ADJUST
WB
Subject : R-GAIN
B-GAIN
1. So that the following chromaticity values are
obtained using CL200.
X value: 298
obtained using CL200.
X value: 298
± 5
Y value: 319
± 5
Adjust R-GAIN and B-GAIN
No.
Adjusting point
Adjusting conditions
Adjusting procedure
1
Adjustment of Component offset
1. Feed 10-step signal with 480P component
100% amplitude.
2. Select the following group and subjects.
Group : ADJUST/AD
Subject : C-R-OS
C-B-OS
(Process GAMMA interlock)
100% amplitude.
2. Select the following group and subjects.
Group : ADJUST/AD
Subject : C-R-OS
C-B-OS
(Process GAMMA interlock)
1. Check the fixed value.
C-R-OS : 257
C-B-OS : 256
C-R-OS : 257
C-B-OS : 256
2
Adjustment of DLP Brightness
1. Select the following group and subject.
Group : CONFIRM/DLP
Subject :R-BLK
G-BLK
B-BLK
(Process GAMMA interlock)
Group : CONFIRM/DLP
Subject :R-BLK
G-BLK
B-BLK
(Process GAMMA interlock)
1. Check the fixed value.
Fixed value : 252
Fixed value : 252
3
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
(Signal with burst)
2. Select the following group and subjects.
Group : CONIRM/VIDEO
Subject : V-CONT
1. Check the fixed value.
Fixed value : 134
Fixed value : 134
R
G
B
G
B
W
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
4 – 2
* Writing a software program (before main PWB is mounted)
Use the DLP Composer Lite Ver. 6.0 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.
4
Adjustment of Video Brightness
1. Feed NTSC 100% wind pattern signal.
(Signal with burst)
2. Select the following group and subject.
Group : CONFIRM/VIDEO
Subject : V-BRIGHT
(Signal with burst)
2. Select the following group and subject.
Group : CONFIRM/VIDEO
Subject : V-BRIGHT
1. Check the fixed value.
Fixed value : 68
Fixed value : 68
5
Adjustment of Video Tint
1. Feed split color bar.
2. Select the following group and subject.
Group : CONFIRM/VIDEO
Subject : V-HUE
2. Select the following group and subject.
Group : CONFIRM/VIDEO
Subject : V-HUE
1. Check the fixed value.
Fixed value : 128
Fixed value : 128
6
Adjustment of Video color satura-
tion
tion
1. Select the following group and subject.
Group : CONFIRM/VIDEO
Subject : V-COLOR
Group : CONFIRM/VIDEO
Subject : V-COLOR
1. Check the fixed value.
Fixed value : 139
Fixed value : 139
7
RGB tone reproduction adjust-
ment
ment
1. Feed the SMPTE pattern signal.
1. Make sure the 100% and 95% white as well as the
0% and 5% black gradations are visible.
0% and 5% black gradations are visible.
8
VIDEO white balance adjustment
1. Feed the 50% gray signal.
2. Select the following group and subjects.
Group :CONFIRM/VIDEO
Subject : V-R-OS
V-B-OS
2. Select the following group and subjects.
Group :CONFIRM/VIDEO
Subject : V-R-OS
V-B-OS
1. V-R-OS is 130.
V-B-OS is 130.
V-B-OS is 130.
9
White balance checking and
readjustment
readjustment
1. RGB Input
VIDEO Input
DTV Input
DVD Input
VIDEO Input
DTV Input
DVD Input
Check that there is no deviation of white balance with
the monitor.
the monitor.
10
Off-timer performance
1. Select the following group and subjects.
Group :CONFIRM/CHECK
Subject : TEMP-OFF
Group :CONFIRM/CHECK
Subject : TEMP-OFF
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.
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
Thermistor performance checking 1. Heat the thermistor with a hair dryer.
1. Make sure that the temperature is indicated.
12
Auto sync performance checking
1. Feed the phase check pattern signal.
1. In the VGA, SVGA and XGA modes, make sure the
Clock, Phase, H-Pos and V-Pos settings can be
automatically adjusted.
Clock, Phase, H-Pos and V-Pos settings can be
automatically adjusted.
13
HDMI input operation
1. Feed HDMI video signal to INPUT6.
1. Check that images are projected correctly.
14
RS232C operation check
1. Connect the unit and a PC with the
RS232C cable.
RS232C cable.
1. Send a command from the PC, and check it func-
tions correctly.
tions correctly.
15
Model name and version check
1. Select the following group.
Group : INFO/VERSION.
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.
MODEL : DT-510 (MODEL-SELECT=0)
MODEL : XV-Z3100 (MODEL-SELECT=1)
MODEL : XV-Z3300 (MODEL-SELECT=2)
the firmware version in the VERSION field. Check
that they are correct.
MODEL : DT-510 (MODEL-SELECT=0)
MODEL : XV-Z3100 (MODEL-SELECT=1)
MODEL : XV-Z3300 (MODEL-SELECT=2)
16
Delivery settings
1. Make the following settings.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
Destination
Process
Remote control
adjustment
adjustment
USA
SS4
Factory setting at 4
China
SS6
Factory setting at 6
Others
SS3
Factory setting at 3
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
4 – 3
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) Calling and quitting
With the menu not displayed, press the "ENTER", "ENTER", "Right", "Left", "ENTER", "ENTER" and "MENU" keys on the remote control or on the
main unit.
main unit.
2) Others
Press the S6213 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 sig-
nals.)
Resetting the lamp timer for this model
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.
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
4 – 4
[2] Adjustment mode process menu
1st Layer
2nd Layer
Default
ADJUST
CW/Auto KS
CW-INDEX
120
CAL
K-SENS
K-SENS
(127)
AD
R-CONT
160
G-CONT
160
B-CONT
160
R-BRIGHT
127
G-BRIGHT
127
B-BRIGHT
127
C-R-OS
257
C-B-OS
256
WB
R-GAIN
100
G-GAIN
100
B-GAIN
100
SS
SS1
—
SS2
—
SS3
—
SS4
—
SS5
—
SS6
—
CONFIRM
DLP
R-BLK
252
G-BLK
252
B-BLK
252
S-R-OS
128
S-G-OS
128
S-B-OS
128
VIDEO
V-CONT
134
V-BRIGHT
68
V-COLOR
139
V-HUE
128
V-R-OS
130
V-G-OS
128
V-B-OS
130
OFFSET-MODE
0
OFFSET-CONT
0
OFFSET-BRI
0
MODEL
MODEL-SELECT
1
CHECK
LED-CHK
0
TEMP-OFF
—
INFO
VERSION
MODEL
—
VER.
—
PATTERN
RGB
1
RGB50
1
CORSS
1
STEP
1
COLOR
1
CHR
1
LAMP
CURRENT
0
HISTORY1
0
HISTORY2
0
HISTORY3
0
HISTORY4
0
TOTAL
0
TEMP/FAN
TEMP1
—
TEMP2
—
FAN0
3
FAN1
3
FAN2
3
OTHER
232C
232C-MODE
1
HDCP
HDCP-MODE
0
EXIT