DOWNLOAD Sharp PG-A10X (serv.man10) Service Manual ↓ Size: 43.65 KB | Pages: 8 in PDF or view online for FREE

Model
PG-A10X (serv.man10)
Pages
8
Size
43.65 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Electrical adjustment
File
pg-a10x-sm10.pdf
Date

Sharp PG-A10X (serv.man10) Service Manual ▷ View online

23
PG-A10X
PG-A10X-SL
AN-A10T
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 S2002 to call the process mode and execute
"SS2" on SS menu.
2-1
R/G/B Bright-
ness adjustment
1. Select the following group
and subjects.
Group : AD
Subject : R-Bright
G-Bright
B-Bright
(Process GAMMA interlock)
2. Feed the XGA 16-step sig-
nal with an amplitude level
of 50% (0.35 Vp-p).
1.Watching the screen, adjust the R-, G- and B-Bright
settings so that the second tone (3% level step) on
the black side should have some pixel dropouts and
the bright color zone should become just about a half.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
2-2
R/G/B Contrast
adjustment
1. Select the following group
and subjects.
Group : AD
Subject : R-Contrast
G-Contrast
B-Contrast
(Process GAMMA interlock)
2. Feed the XGA white signal
with an amplitude level of
96% (0.67 Vp-p).
1.Watching the screen, adjust the R-, G- and B-Con-
trast settings so that because of some pixel drop-
outs, the bright color zone should become just about
a half.
3
DTV Brightness/
Contrast adjust-
ment
1. Feed a 480P component
10-step signal with 100%
amplitude.
2. Select the following group
and subjects.
Group : DTV
Subject : Bright
Contrast
(Process GAMMA interlock)
1. Check the setting value.
Contrast (White Level): 7
Bright (Black Level):
6
4
DVD Brightness/
Contrast adjust-
ment
1. Feed a 480PI component
10-step signal with 100%
amplitude.
2. Select the following group
and subjects.
Group : DVD
Subject : Bright
Contrast
(Process GAMMA interlock)
1. Check the setting value.
Contrast (White Level): 6
Bright (Black Level):
8
24
No.
Adjusting point
Adjusting conditions
Adjusting procedure
PG-A10X
PG-A10X-SL
AN-A10T
5
Video Bright-
ness/Contrast
adjustment
1. Feed an NTSC composite
video 10-step signal (no
setup) with 100% ampli-
tude.
2. Select the following group
and subjects.
Group : DVD
Subject : Bright
Contrast
(Process GAMMA interlock)
1. Check the setting value.
Contrast (White Level): 5
Bright (Black Level):
8
6
PSIG adjust-
ment
1. Select the following group
and subjects.
Group : OUTPUT2
Subject : PSIG-H
PSIG-L
2. Check the fixed value.
PSIG-H: 64
PSIG-L: 146
PSIG
2.5V DC
5.6V DC
GND
1. Feed the XGA signal and adjust to make the follow-
ing PSIG waveform. (TP1101, TP1201 and TP1301)
Adjust with PSIG-H
Adjust with PSIG-L
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 ad-
justment color 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.
White-to-White
Amplitude
1. Select G1-GAIN. Using the set's control switch or
the remote controller's button, adjust the signal am-
plitude 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.
25
No.
Adjusting point
Adjusting conditions
Adjusting procedure
PG-A10X
PG-A10X-SL
AN-A10T
8
RGB
countervoltage
adjustment
1.Using the set's control switch or the remote control-
ler’s button, adjust the setting so that the flickering
be minimum.
2.Adjust the setting so that the image comes to the
center of the screen.
1. Feed the countervoltage
adjustment signal. (XGA)
2. Select the following group
and subjects.
Group : OUTPUT3
Subject : RC (R)
GC (G)
BC (B)
9
RGB white
balance adjust-
ment
1. Feed the RGB 50% gray
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)
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
10
sRGB adjust-
ment
1. Feed the RGB 50% gray
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 color
irregularity
correction
1. Apply the automatic color
correction using the auto-
matic color irregularity cor-
rection system.
1.Make sure that no remarkable uneven color remains
on the screen.
13
Video Color
saturation
adjustment
1. Select the following group
and subject.
Group
: VIDEO
Subject : N-Color
P-Color
S-Color
1. Check the fixed value.
N-Color : 10
P-Color : 10
S-Color : 10
14
DTV Tint adjust-
ment
1. Select the following group
and subject.
Group
: DTV
Subject : Tint
1. Check the fixed value.
Tint : 8
26
No.
Adjusting point
Adjusting conditions
Adjusting procedure
PG-A10X
PG-A10X-SL
AN-A10T
23
RGB perform-
ance 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.
20
White balance
checking
1. Use the adjustment condi-
tions 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
Color-related
performance
checking
1. Feed the color bar signal.
1.Select L1 of the process mode. Operation check of
Color and Tint.
22
Video-related
performance
checking
1. Feed the monoscope pat-
tern signal.
1.Select L2 of the process mode. Operation check of
Picture,  Bright and Sharpness.
15
DTV Color
saturation
adjustment
1. Select the following group
and subject.
Group
: DTV
Subject : Color
1. Check the fixed value.
Color : 13
16
DVD Tint adjust-
ment
1. Select the following group
and subject.
Group
: DVD
Subject : Tint
1. Check the fixed value.
Tint : 8
17
DVD Color
saturation
adjustment
1. Select the following group
and subject.
Group
: DVD
Subject : Color
1. Check the fixed value.
Color : 10
18
Sample hold
pulse phase
checking
1. Check the fixed value.
Fixed Value : 8
1. Feed the XGA 75-Hz black
signal.
2. Select the following group
and subjects.
Group : OUTPUT3
Subject : GCK-PHASE
19
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.
Page of 8
Display

Sharp PG-A10X (serv.man10) Service Manual ▷ Download

  • DOWNLOAD Sharp PG-A10X (serv.man10) Service Manual ↓ Size: 43.65 KB | Pages: 8 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp PG-A10X (serv.man10) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp PG-A10X (serv.man10) Projector. Information contained in Sharp PG-A10X (serv.man10) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.