TCL 32E320 Service Manual page 15

Appendixn "How to download main SW"
Prepare MTK SW tool for update.
1. Connect the PC to the board using an external +5VDC through serial device (USB or
COMx),the board J1 connector from chassis board P001.
2. Provide the +3.3V or 5VDC STB on P101 connector from chassis board.
3. Start "MTKTOOL.exe" application under MTKxx folder, and set the parameters as below
picture. Select chassis MT8223.
4. Press "Browse" button to select the corresponding SW bin file to upload.
5. Press "Upgrade" button to start downloading the SW and wait the gauge displayed "100%"
that means the SW has been successfully downloaded.
In the meanwhile, all operations such erasing flash and so... are parsed into the debug
window script.
6. Once the SW is downloaded, switch-off/on the chassis board and wait few seconds for
EEPROM update.
Factory Alignment Specification for MT23L(H)-AP/LA
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