12
OPERATION OF RS232 WRITING
(1)RS-232 mounted on the Main Board was the main interface writing new firmware. You can update new
firmware to U25 by RS232.
(2)Writing firmware need following equipment:
1.RS232 interface built in PC.
2.RS232 cable
3.Pixelworks Flash Upgrader software
(3)Connecting method: connecting RS232 interfaces between PC and TV set.
Firmware writing procedure:
1.Execute Pixelworks Flash Upgrader software
2.Select Baud Rate
.
3.Download “appcode.crams” file.
4.Choose “Flash” mode entering standby status for writing firmware
5.Turn on TV set.
6.“Bytes Bar” will showed on the screen in few seconds indicating firmware was downloading.
7.The download process will take about
4
Minutes. It won’t change the original code when download process
intercepted. Once download process was finished system have to take at least 30 seconds updating new
firmware. Please make sure power was supplied without interruption; otherwise system will shut down.
8.System will restart automatically after finishing writing process.
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