AOC 55C2U-DVB, Service Manual

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Programming progress bar will scroll now, after programming is finished, it will show
“
Pass
”。
7, Main board driver upgrade.
1). U disk formatted as FAT32 format, and then upgrade the software ( software name is MstarUpgrade, suffix is bin) put
in U disk .
2). Insert U disk into main board or programming TV fixture USB port , press VOL + key, then power on TV ( main board)
after about five seconds the TV ( remote control panel ) indicator flashes rapidly , indicating the TV is being upgraded ,
when the light stops blinking and goes out ( this process time-consuming is depending on the size of the main board
software , the greater the file the longer the software upgrade time , when the board is 270M, upgrade software takes
roughly three minutes ,when 500M , it is about four minutes ) , indicating that the upgrade is complete .
3). Notes
：
a. the file name and case cannot be wrong , otherwise it will not be upgraded .
b. When using U disk to upgrade, sometimes after light does not flat after a TV remote control panel lights flickering
flashes ten seconds, this is upgrade failure. Normal upgrade remote panel lights flashing more than two minutes , place the
board in case of power failure in this case re- board software upgrade.
c.main board cannot be upgraded after powering on , please programming boot file again (Mboot.bin or
MbootUprade.bin).
c. software is not used for this machine cannot be used for machine upgrading , otherwise auto encryption will
cause main board cannot be used, please verify before upgrading.
8, press MENU key on remote control to prompt user menu , then press left/right key to switch to Setting interface , press
up/down keys to move cursor to Recall, press OK to reset , it will take about 3 minutes , machine will start after auto
powering up to finish upgrading.
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