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Model
PG-A10S
Pages
46
Size
801.33 KB
Type
PDF
Document
Handy Guide
Brand
Device
Projector / Version 1.5
File
pg-a10s.pdf
Date

Sharp PG-A10S Handy Guide ▷ View online

Electrical Adjustments
Version 1.5
Issue 04/2006
33
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
7
R/G/B Black
Level Signal
Amplitude adjustment
1. Select the following group and
subjects.
Group : OUTPUT1
Subject :
On Green adjustment
G1-BLK
G1-GAIN
On Red Adjustment
R1-BLK
R1-GAIN
On Blue Adjustment
B1-BLK
B1-GAIN
2. Make sure the process adjustment
colour bags appear onscreen.
3. Connect a synchroscope to P1301-
2P for the G setting.
4. Connect the synchroscope to
P1301-1P and P1301-3P for the R
and B settings, respectively.
1. Select G1-GAIN. Using the set's control
switch or the remote controller's button,
adjust the signal amplitude to 4.05 Vp-p
± 0.05 V.
2. Now select G1-BLK. Using the set's
control switch or the remote controller's
button, adjust the white-to-white level to 1.70
Vp-p 
± 0.05 V.
3. Do the same for the R and B settings.
8
RGB countervoltage
adjustment
1. Feed the countervoltage
adjustment signal. (XGA)
2. Select the following group and
subjects.
Group : OUTPUT3
Subject : RC (R)
GC (G)
BC (B)
1.Using the set's control switch or the remote
controller’s button, adjust the setting so that
the flickering be minimum.
2.Adjust the setting so that the image comes
to the centre of the screen.
9
RGB white balance
adjustment
1. Feed the RGB 50% grey signal.
(XGA)
2. Select the following group and
subjects.
Group : OUTPUT1
Subject : R1-BLK(R)
B1-BLK(B)
1.Adjust the R1-BLK and B1-BLK settings to
have the chromacity of x = 285 
± 5 and y =
323 
± 5. (8500K)
10
sRGB adjustment
1. Feed the RGB 50% grey signal.
(XGA)
2. Select the following group and
subjects.
Group : OUTPUT1
Subject : S-R1-BLK
S-R1-GAIN
S-G1-BLK
S-G1-GAIN
S-B1-BLK
S-B1-GAIN
1.Adjust the S-R1-BLK and S-B1-BLK
settings to have the chromacity of x = 313
± 5 and y = 344 ± 5.
(6500K)
11
Automatic colour irregularity
correction
1. Apply the automatic colour
correction using the automatic colour
irregularity correction system.
1.Make sure that no remarkable uneven
colour remains on the screen.
12
Video Tint
adjustment
1. Select the following group and
subject.
Group : VIDEO
Subject : N-Tint
P-Tint
S-Tint
1. Check the fixed value.
N-Tint : 8
P-Tint : 8
S-Tint : 8
13
Video Colour saturation
adjustment
1. Select the following group and
subject.
Group : VIDEO
Subject : N-Colour
P-Colour
S-Colour
1. Check the fixed value.
N-Colour : 10
P-Colour : 10
S-Colour : 10
Electrical Adjustments
Version 1.5
Issue 04/2006
34
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
14
DTV Tint adjustment
1. Select the following group and
subject.
Group : DTV
Subject : Tint
1. Check the fixed value.
Tint : 8
15
DTV Colour saturation
adjustment
1. Select the following group and
subject.
Group : DTV
Subject : Colour
1. Check the fixed value.
Colour : 13
16
DVD Tint adjustment
1. Select the following group and
subject.
Group : DVD
Subject : Tint
1. Check the fixed value.
Tint : 8
17
DVD Colour saturation
adjustment
1. Select the following group and
subject.
Group : DVD
Subject : Colour
1. Check the fixed value.
Colour : 10
18
Sample hold pulse phase
checking
1. Feed the XGA 75-Hz black signal.
2. Select the following group and
subjects.
Group : OUTPUT3
Subject : GCK-PHASE
1. Check the fixed value.
Fixed Value : 8
19
RGB tone reproduction
adjustment
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.
20
White balance checking
1. Use the adjustment conditions in
the item 9 for RGB input and item 10
for sRGB input.
Check that there is no deviation of white
balance with the monitor.
21
Colour-related performance
checking
1. Feed the colour bar signal.
1.Select L1 of the process mode. Operation
check of Colour and Tint.
22
Video-related performance
checking
1. Feed the monoscope pattern
signal.
1.Select L2 of the process mode. Operation
check of Picture, Bright and Sharpness.
23
RGB performance checking
1. Feed the RGB signal.
1.Select L4 of the process mode. Operation
check of Picture, Bright, Red, Blue, Clock,
Phase, H-POS and V-POS.
24
Off-timer performance
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.
25
Thermistor performance
checking
1. Heat the thermistor with a hair
dryer.
1.Make sure that the temperature is
indicated.
26
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.
27
Delivery settings
1.Make the following settings.
Process adjustment - S3
Remote control adjustment - Factory setting
at 3
Electrical Adjustments
Version 1.5
Issue 04/2006
35
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Entering the adjustment process mode
There are following two methods.
• 
Calling and quitting
With no menu onscreen, press the "UP", "UP", "DOWN", "DOWN",
"RIGHT", "LEFT" and "ENTER" keys, in this order, on the remote controller
(Type A10, or C50/45 and P25/20 series remote controllers).
• 
Press the S2002 process key (toggle) on the main PWB to call and quit
the process menu.
Adjustment mode process menu 1
Adjustment Process Menu
DTV
Pedestal
DVD
VERSION
VIDEO
SS
AD
TEMP
OUTPUT1
PATTERN
OUTPUT2
LAMP
OUTPUT3
LINE
First Layer
VIDEO1
EXIT
Second Layer
Initial Value
Contrast
4
Tint
5
Colour
13
Sharpness
1
CTI-Level
1
LTI-Level
0
CB-Offset
7
CR-Offset
7
Bright
15
B-DRIVE
41
R-DRIVE
41
DTV
EXIT
Contrast
3
Tint
5
Colour
10
Sharpness
1
CTI-Level
1
LTI-Level
0
CB-Offset
7
CR-Offset
7
Bright
16
B-DRIVE
41
R-DRIVE
41
DVD
EXIT
Electrical Adjustments
Version 1.5
Issue 04/2006
36
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Second Layer
Initial Value
Contrast
2
N-Tint
5
P-Tint
5
S-Tint
5
N-Colour
10
P-Colour
10
S-Colour
10
Sharpness
1
CTI-Level
1
LTI-Level
0
CB-Offset
7
CR-Offset
7
Bright
16
B-DRIVE
41
R-DRIVE
41
Video
EXIT
R-Bright
67
G-Bright
67
B-Bright
67
R-Contrast
167
G-Contrast
167
B-Contrast
167
AD
EXIT
R1-BLK
120
R1-GAIN
152
G1-BLK
140
G1-GAIN
152
B1-BLK
160
B1-GAIN
152
S-R1-BLK
120
S-R1-GAIN
152
S-G1-BLK
140
S-G1-GAIN
152
S-B1-BLK
160
S-B1-GAIN
152
OUTPUT1
EXIT
PSIG-H
64
PSIG-L
146
OUTPUT2
EXIT
RC
135
GC
135
BC
135
GCK-PHASE
8
CC
1
OUTPUT3
EXIT
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