![background image](http://html1.mh-extra.com/html/viewsonic/vg712b/vg712b_service-manual_1021206046.webp)
2.
If the firmware upgrade still fails, reboot the PC, or simply use another PC to upgrade.
3.
If the above procedures don’t work, unplug and re-plug the power cord of VG712s/b. Then try to upgrade the
firmware again if VG712 can be powered on.
If VG712s/b cannot be turned on, that means the flash memory of
the main board is out of work.
You then have to replace the main board.
3. DDC Key In Procedure
Note:
1.
Every time after replacing the main board, you have to do the DDC key in.
2.
If you find the DDC does not conform to the monitor, you have to do the DDC key in.
3.1 Equipment Needed
- VG712s/b Series Monitor
- Fixture (V3) for DDC Key in (JP3 must be closed)
- RS232 Cable (P/N: 42.55907.001) *1
- VGA Cable (P/N: 42.59901.003) *2
- DVI-DVI Cable *1 (P/N: 42.56108.012)
Copy the error line of the
“bdisp.txt” batch file to
“Gprobe:>”
43
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VG712s/b
Содержание VG712b
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Страница 75: ...11 PCB Layout Diagrams 72 ViewSonic Corporation Confidential Do Not Copy VG712s b...