DOWNLOAD Sharp XG-C68X (serv.man4) Service Manual ↓ Size: 25.7 MB | Pages: 127 in PDF or view online for FREE

Model
XG-C68X (serv.man4)
Pages
127
Size
25.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Service Manual
File
xg-c68x-sm4.pdf
Date

Sharp XG-C68X (serv.man4) Service Manual ▷ View online

21
XG-C58X
XG-C68X
3.3 Make sure that ERR is returned from the projector when you pressed the ENTER key.
4. Call the process mode.
Press the following keys in this order.
POWER ON / Adj up / Adj down / Adj up / Adj down / ENTER / ENTER / MENU
5. Select the SPECIAL on the process menu and then press the ENTER key.
6. Select the IPL2 on the sub menu and then press the ENTER key.
The lamp turns off and the projector goes into the software write mode.
7. Once unplug the AC cord and then plug it in again.
Note: Be sure to unplug the AC cord once and plug it in again.
8. On the Tera Term Pro, enter the RATE1152 and then press the ENTER key.
9. On the Tera Term Pro, select the Setup and then the Terminal.
Uncheck the Local echo and then click the OK button.
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XG-C58X
XG-C68X
10. On the Tera Term Pro, select the Setup and then the Serial port.
Change the Baud rate to 115200 and then click the OK button.
11. On the Tera Term Pro, enter the START and then press the ENTER key.
Make sure that the OK is returned from the projector and the lamp indicator is blinking in green.
12. On the Tera Term Pro, select the File and then the Send file.
Check the Binary in the Option and then select the software file for update you decompressed.
Then click open.
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XG-C68X
13. The transfer of data starts if the setting is correct. The Bytes transferred will be counted in the dialog box.
14. Wait for several minutes until the OK is displayed two times and then the lamp indicator is illuminated in red.
If the ERR is displayed, take the steps again from the step 1.
Caution: Never turn off the projector or unplug the AC cord while transferring the data. If it is done, the projector
becomes unable to turn the power on.
In case of this, recover the projector by taking the following steps.
(1) Remove the top and the back side cabinet of the projector.
(2) Set the switch on the PC board to the WRITE side.
(3) Plug the AC cord.
(4) Take the steps again from the step 8.
(5) After transferring the data, set the switch on the PC board to the NORMAL side.
15. Unplug the AC cord.
16. Plug in the AC cord and then call the process mode.
17. From the process menu, select the SPECIAL.
Make sure that the PRG VER is changed to new version.
18. Turn off the projector.
The update is complete.
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XG-C68X
ELECTRICAL ADJUSTMENT
1
Initialization of
EEPROM
1. Turn on the power (the lamp lights
up) and warm up the system for 15
minutes.
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
1. Make the following settings.
Press S2601 to enter the process
mode, and execute S2 on the SSS
menu. Now the EEPROM, except for
the PC I/F unit, is initialized.
Do not execute S1, or the PC I/F unit
itself will be initialized.
(The PC I/F unit has been factory-
adjusted.)
To adjust the PC I/F unit, refer to "How
to Adjust the PC I/F unit" on the
page30.
2
Adjustment of
RGB1 black level
signal amplitude
1. Select the following group and sub-
jects.
Group: OUTPUT1
Subject: G1-BLK, G1-GAIN
For the color R, select the subjects
R1-BLK and R1-GAIN.
For the color B, select the subjects
B1-BLK and B1-GAIN.
2. Make sure the process adjustment
color bars are displayed.
3. For the color G, connect a oscillo-
scope to pin (2) of P1301.
4. For the colors R and B, connect the
oscilloscope to pin (1) of P1301 and
pin (3) of P1301, respectively.
1. Select the subject G1-GAIN. Using
the set's control switch or the remote
controller button, adjust the setting
so that the signal amplitude is 4.2
Vp-p±0.05 V.
2. Select the subject G1-BLK. Using the
set's control switch or the remote
controller button, adjust the setting
so that the white-to-white level is 1.4
Vp-p±0.1 V.
3. Do the same for the other colors R
and B.
3
Adjustment of
PSIG
PSIG-H
GND
PSIG-L
1.4Vp-p
4.2Vp-p
4
Checking of
sample-and-hold
pulse phase
1. Feed the XGA-mode 75-Hz black
signal.
2. Select the following group and sub-
ject.
Group: OUTPUT3
Subject: ENBXR-PH
ENBXG-PH
ENBXB-PH
1. Check the blurring of the letters of
OUTPUT 3 and the ghost.
2. Raise the value of the ENBXR-PH
until the front ghost appears on the
left side of the letters of OSD.
3. When the value is lowered for 1 - 2
points, the front ghost disappears.
Set it to the value for 2 lowered from
the value when the front ghost
disappears.(In case that the front
ghost appears when the value of the
EMBXR-PH is 11 and disappears
when it is 10, set it to 8.)
4. Adjust the green and blue in the same
manner.
1. Select the following group and sub-
jects.
Group: OUTPUT2
Subject: PSIG-H, PSIG-L
Make sure the PSIG-H and PSIG-
L settings are 225 and 120, respec-
tively.
1.  Below is the waveform of PSIG.
(TP1301-2P)
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