ViewSonic VG750 Service Manual - Page 37
Firmware, Programming, After, finish, upgrade, should, Reset.
UPC - 766907539325
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4. Firmware Programming Notice:1.) The screen will become no video, but the power LED will twinkle. When the power LED stops, it means program complete. You have no way to wake up screen, you should unplug power cord, and replug it. Press "Power" the screen will wake up. 2.) Or you can use "data transfer switch" switch to another monitor whenfirmware programming. You will see the program rate ofprogress below the screen when the program rate ofprogress until 100%, it meansfirmware upgrade procedure is completed. 3.) Get into "Burn In Mode"(Ref.6-2), press any buttons besides "Power" button to check the firmware version if it is correct. +4,4404,4444144+41,44.414.4,4444444+4,41,4-4,4444-0,44444440441.44.441444,44.44444-owowo44, ♦ Topro Version 1.2 4, • W70E516/SM2965 In System Programming PC Handler 90.05.21 For Topro Graphics Chips R.Y. Lee .4040.4044.4440.44,44....4.40+4444044.40.404......4440.4040+44 +.4044.404.44040.4.44. *4 The original Input File Name = UG700U3 .:11-fie final Programming File Name= VG7TrilT17. 2) Check LDROM ISP mode V! Enter LDROM ISP Mode it MPU Type = W78E516 APROM Program Erase ?! APROM Blank Check !! APROM Write Starting ?? 14z 5. After finish Firmware upgrade, you should do "All Mode Reset". (Ref 6-2) 7-4 ViewSonic Corporation CONFIDENTIAL - DO NOT COPY