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TCL L50B2800 Service Manual page 18

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Factory Test & Alignment Specification For MS08PA-LA Series (V1.0).Doc
See Appendix
"How to upgrade MBOOT using USB"
Copy the SW BIN image "V8-6328L01-LB1V0**.bin" into the USB stick root path..
Plug the USB stick to the TV
Into the factory menu (picture1) and Select USB upgrade option.
picture1
Into the upgrade menu and Select Mboot Upgrade. If the TV found the MBOOT BIN, Select
YES upgrade is begin (see picture2).
When update is successful (about 10 S). TV should restart automatically, Please wait the
TV to finish the loading logo to display.
Appendix
"How to upgrade FLASH SW using USB"
There are two methods to upgrade SW using USB, the first one like below:
In the previous of upgrade SW using USB, should program mboot bin file"
V8-6328L14-LB1Vxxx.bin" by ISP_Tool or by USB. .
Then switch off TV by removing AC cord.
Copy the SW BIN image "MS6328LA14_FULL_UPGRADE.bin" into USB stick (pen drive)
root path
Note:
If there's already other "MS6328LA14_FULL_UPGRADE.bin" into USB root, it
needs to be deleted or renamed
Plug USB stick to the TV
Press and hold the power key of key board before reconnect AC cord to restart TV for
5-8seconds.
Once USB stick starts blinking, TV is uploading SW BIN image.
When update is successful, TV should restart automatically.
Remember to perform "Factory menuNVM reset" and then press RCU "OK" key
Switch off TV by removing AC cord
Reconnect AC cord to restart TV and wait few seconds for Eeprom update
picture2
Page 11 of 18

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