4. Firmware Upgrade Procedure
When you receive the returned LCD TV, please check whether the firmware version is
the latest. If not, please do the following procedures to upgrade it to the latest version.
4.1 Equipment Needed
- N4251W(1M) LCD TV
- Fixture for Firmware Upgrade
- VGA Cable
- PC (Personal Computer)
- Firmware Upgrade Program
- One additional LCD TV for checking the program execution
N4251W(1M) ISP FIXTURE PC
4.2 Installing the USB device driver. The USB driver will be upgraded if necessary.
"PL-2303 Driver
Installer.exe"
4.3 Insert the USB to RS232 Download Board to PC’s USB port. Then you can found
the USB Device detected and follow Windows comments to finish the Driver install.
4.4 Execute the Mtktool to start download the file. The Mtktool program will be
upgraded if necessary.
"MtkTool Auto
BaudRate.exe"
4.5 The Mtktool Operat
4.5.1 Select Platform : MT8105 , MT1389 ,MT8202 or MT8205.
ViewSonic Corporation
Confidential - Do Not Copy
N4251w-1M
36
Содержание N4251w-1M
Страница 13: ...Remote Control ViewSonic Corporation Confidential Do Not Copy N4251w 1M 10...
Страница 48: ...3 2 Unscrew 4 screws to remove speaker Speaker ViewSonic Corporation Confidential Do Not Copy N4251w 1M 45...
Страница 53: ...Panel Unit ViewSonic Corporation Confidential Do Not Copy N4251w 1M 50...
Страница 85: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 82...
Страница 86: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 83...
Страница 87: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 84...
Страница 88: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 85...
Страница 89: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 86...
Страница 90: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 87...
Страница 91: ...9 7 SWITCH PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 88...
Страница 92: ...9 8 SWITCH PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 89...
Страница 93: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N4251w 1M 90...
Страница 94: ...ViewSonic Corporation Confidential Do Not Copy N4251w 1M 91...