TCL MT31-AP, Service Manual

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Test and Alignment Specification for MT5331 Series (v0 91)
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Appendix
⑴
“
How to upgrade SW FLASH using MTK tool
”

Connect UART interface to suitable manufacturing TV input connector (note that PC connector requires
TVs on “Factory mode”)

Launch MTK tool with version above v0.6.7

Set right SoC template (ex: MT53xx)

Select
“Tool” button
 Press “Browse” button to select the corresponding SW bin file to upload (ex: V8-0MT3101-LF1Vxxx.bin)

Supply the SSB to required voltage
 Press “Upgrade” button and appear the below picture