DOWNLOAD Sharp XG-PH50X (serv.man15) Service Manual ↓ Size: 15.84 MB | Pages: 127 in PDF or view online for FREE

Model
XG-PH50X (serv.man15)
Pages
127
Size
15.84 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / P140
File
xg-ph50x-sm15.pdf
Date

Sharp XG-PH50X (serv.man15) Service Manual ▷ View online

33
XG-PH50X
XG-PH50X-NL
ELECTRICAL ADJUSTMENT
- Turn on the power (lamp on state) and wait for 15 minutes for aging.
- Enter the adjustment process mode with S3602 (tact switch) on the main board.
In case that top cabinet covered S3602, you can enter by pushing key continuously in sequence.
key pad
On -> Up -> Down -> Up -> Down -> Enter -> Enter -> Menu
Remote controler On -> Vol up -> Vol down -> Vol up -> Vol down -> Enter -> Enter -> Menu
* You can exit from factory mode by same method.(Or select "EXIT" in the process mode to exit.)
- Select the group to adjust with the DOWN key or the UP key,  and enter the adjustment item with the ENTER
key on the remote control or key pad.
- Select the adjustment item with the DOWN  key or the UP key.
- Use the LEFT  key or the RIGHT  key for adjustment.
- To return from the adjustment item to the adjustment group, use the UNDO key or the MENU key.
- Change internal test pattern and input signal with the MUTE key
1
Initialization of
EEPROM
1. Turn on the power (the
lamp lights up) and warm
up the system for 15 min-
utes.
2. Select the following group
and subject.
Group: SSS
Subject: S2
1. Press S3602 to enter the process mode.
2. Execute the S2 command on the SSS menu.
*With the S2 command, all the circuit boards than
the PC board will be initialized.
(Note)
Since the PC I/F unit is initialized with S1, do not
carry out S1.
The PC I/F unit is already adjusted.
When the PC I/F unit must be adjusted, in such
case as S1 is carried out by mistake, adjust it
according to the "PC I/F adjustment method" at
the end of this document.
3. Wait approximately 30 seconds and when "IN-
PUT1" appears, turn off the power.
4. After all the fans stop, turn the power back on.
2
Write MAC
address
No.
Adjusting point
Adjusting conditions
Adjusting procedure
3
Adjustment of
CW index
1. Signal input: 64 STEP color
bar signal.
2. Select the following group
and subjects.
Group : DLP
Subject : CW-INDEX
1. Feed the signal to INPUT 1.
2. Select subject and make adjustment so that the uni-
formity should be smooth.
1. Read a sticker which is written mac address on main
board.
2. Write MAC address by 232c serial cable.(For the pro-
cedure, refer to the attachment.)
4
Adjustment of
DLP voltage
1. SRead voltage rank of DLP
description.
2. Select the following group
and subjects.
Group : DLP
Subject : DMD-BIN
1. Adjust DMD-BIN  corresponding to the rank which
has been read. (on the main board)
      Rank / setting value
          B    /   0
          C    /   1
          D    /   2
          E    /   3
*Carry out adjustment when DLP chip or PC board has
been replaced
R
G
B
34
XG-PH50X
XG-PH50X-NL
5-1
Adjustment of
Video bright-
ness
1. Select the following group
and subject.
Group   : VIDEO
Subject : BRIGHT
1. Check that the value is 115.
5-2
Adjustment of
Video contrast
1. Select the following group
and subject.
Group   : VIDEO
Subject : PICTURE-SUB
No.
Adjusting point
Adjusting conditions
Adjusting procedure
6
Adjustment of
component Cr/
Cb offset (1)
1. Feed the color difference
signal(480i) to INPUT1
: Y 0% brightness,
Cb and Cr 0% white pat-
terns.
2. Select the following group
and subject.
Group   : COMPO
Subject : COMPO-AUTO
1. After signal input, select COMPO-AUTO for automatic
adjustment.
1. Check that the value is 96.
7
Adjustment
ofcomponent
brightness
1. Feed the color difference
signal(480i) to INPUT1
: Y 0% brightness,
Cb and Cr 0% white pat-
terns.
2. Select the following group
and subject.
Group   : COMPO
Subject : G-BRIGHT
1. Make adjustment so that some bits should be miss-
ing in the picture.
* refer to the following photo image
9
Adjustment of
RGB white
balance
1. Feed the 50% gray pattern
signal (XGA, 60 Hz) to IN-
PUT1.
2. Select the following group
and subject.
Group     :DLP
Subjects : R1-GAIN (Red)
B1-GAIN (Blue)
1. Adjust R-1 GAIN and B1-GAIN so that x-value should
be 290 ± 3 and y-value 310 ± 3.
10
Adjustment of
sRGBwhite
balance
1. Feed the 50% gray pattern
signal (XGA, 60 Hz  to IN-
PUT1
2. Select the following group
and subject.
Group     : DLP
Subjects : S-G1-GAIN (Green)
S-B1-GAIN (Blue)
1. Adjust S-G1-GAIN and S-B1-GAIN so that x-value
should be 313 ±  and y-value 329 ± 5.
8
Adjustment of
component Cr/
Cb offset (2)
1. Feed the color difference
signal(480i) to INPUT1
: Y 0% brightness,
Cb and Cr 0% white pat-
terns.
2. Select the following group
and subject.
Group   : COMPO
Subject : CR-OFFSET
1. Reduce the CR-OFFSET value by 2 points.
35
XG-PH50X
XG-PH50X-NL
12
Adjustment of
DTV white
balance
1. Feed the 50% gray pattern
signal (480i, color differ-
ence signal) to INPUT1.
2. Select the following group
and subject.
Group     : DLPV
Subjects : C-R1-GAIN(Red)
C-B1-GAIN(Blue)
1. Adjust C-R1-GAIN and C-B1-GAIN so that x-value
should be 290 ± 3 and y-value should be 310 ± 3.
11
adjustment of
videowhite
balance
1. Feed the 50% gray pattern
signal (NTSC, burst signal)
to INPUT4.
2. Select the following group
and subject.
Group    : DLPV
Subjects: V-R1-GAIN (Red)
V-B1-GAIN (Blue)
1. Adjust V-R1-GAIN and V-B1-GAIN so that x-value
should be 290 ± 3 and y-value should be 310 ± 3.
13
Factory settings
1. Select the following group
and subject.
Group   : SSS
Subject : S4 (North America)
S3  (Europe/Asia/
Australia)
S5  (Japan)
1. Make the following settings.
PH50XU : S4  (to north America)
PH50X : S5  (to Japan)
Other
: S3  (to Europe/Asia/Australia)
No.
Adjusting point
Adjusting conditions
Adjusting procedure
for reference / setting
OSD language
Video-set up level
S3
English
0IRE
S4
English
7.5IRE
S5
Japanese
0IRE
15
Turn off the
power
14
Lens shift
position
1. Move lens shift position
Vertical
: Top position
Horizontal: Center
No.
Adjusting point
Adjusting conditions
Adjusting procedure
36
XG-PH50X
XG-PH50X-NL
PC I/F adjustment method
(Note)
Since the PC I/F unit is initialized with S1, do not carry out S1. The PC I/F unit is already adjusted.
When the PC I/F unit must be adjusted, in such case as S1 is carried out by mistake, adjust it according to the
followings
No.
Adjusting point
Adjusting conditions
Adjusting procedure
1
Initialization of
EEPROM
1. Select the following group
and subject.
Group   : SSS
Subject : S1
1. Press S3602 to enter the process mode.
2. Execute the S2 command on the SSS menu.(By S1,
all the contents of EEPROM are initialized.)
2
RGB tone
reproduction
adjustment
1. After signal input, select AD-AUTO for automatic
adjustment.
1. Feed the window pattern
s i g n a l   t h a t   h a s   9 2 %
(0.64Vbw) and 0% signals
(XGA/60Hz) to input 1
2. Select the following group
and subject.
Group     : A/D
Subjects : AD-AUTO
* When you can not prepare
92% signal
1. Feed the window pattern
signal that has 100%
(0.7Vbw) and 0% signals.
(XGA/60Hz) to input 1
* "MUTE" key will be change
to the factory gamma
1. Select the following group and subject.
Group     : A/D
Subjects : G-BRIGHT
2. Make adjustment so that some bits should be
missing in black area of the picture.
3. Select the following group and subject.
     Group     : A/D
     Subjects : G-D
4. Make adjustment so that some bits should be miss-
ing in white area of the picture.
5. Select the following subject.
     Subjects : R-BRIGHT
6. Make adjustment so that some bits should be miss-
ing in black area of the picture.
7. Select the following subject.
     Subjects : R-D
8. Make adjustment so that some bits should be miss-
ing in white area of the picture.
9. Select the following subject.
     Subjects : B-BRIGHT
10. Make adjustment so that some bits should be miss-
ing in black area of the picture.
11. Select the following subject.
     Subjects : B-D
12. Make adjustment so that some bits should be miss-
ing in white area of the picture.
Page of 127
Display

Click on the first or last page to see other XG-PH50X (serv.man15) service manuals if exist.