Author Topic: Hakko FM-203 flashing options  (Read 219 times)

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Offline koitsu

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  • Country: us
Hakko FM-203 flashing options
« on: July 02, 2022, 07:46:22 pm »
Has anyone had experience upgrading a older FM-203 to work with the FM-2030 heavy duty handpiece? I see that per Hakko's knowledgebase, certain early SNs require an upgrade, although I'm not certain if this entails a new control PCB swapped in or if they simply flash the MCU and send it back. Either way, they claim it is not field serviceable.

What I can tell looking inside the unit in question is that the MCU is a Renesas R5F21258SNFP. Board marking is FM-203 M1285-A11 and there is what I assume to be a programming header as well.

Just curious if anyone has been through this or can offer any suggestions.

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