I was destroyed PC410-help!

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I was destroyed PC410-help!

Postby Machi » Sat Feb 07, 2015 6:33 pm

Hello.
Maybe here not place for my post but I don't know where I will post it.
Last week I was try to repair my PC410 because doesn't speak with PC from day when I buy it. I change MAX232 and wish to try does it work. When I putting PC410 back in the housing I was made big mistake. I turned it upside down and when I wish to try it some SMD on board inside was popped up. Its was happened because main power 220V come on to sensor input (19, 20) not at (1, 2). I found all elements (some IC an p-channal fet) and replace it. My PC410 now work but not show real temperature (show 900 C) because input of microcontroller was destroyed. I need to replace microcontroller but I didn't have data file for it. Does anyone here have dump (bin or hex) file for this controller and wish to share with me. I really have bad luck because I was DIY my rework station (not finish completely) and just start with reballing. I not have more money to buy new PC410 but hope to find this file needed to fix my old PC410. Any information is welcome. Sorry for my poor English. I'm from Croatia.
Tnx.
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I was destroyed PC410-help!

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Re: I was destroyed PC410-help!

Postby code0102stinks » Sat Feb 07, 2015 9:16 pm

What a headache to try to fix that thing. So if you successfully replace that chip and flash it, what else might be damaged? Those controllers
are so stinking cheap to buy now. Best to just save up your money and buy a new one. I have seen them for as little as $65 US.
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Re: I was destroyed PC410-help!

Postby Machi » Sun Feb 08, 2015 12:51 am

I was replaced a MAX232 chip. This use for rs232 communication with PC. But microcontroller chip was demaged. I not replace this chip because I don't have flash file for it. I thinking about buying new one but try to fix this one. Because I need flash file.
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Re: I was destroyed PC410-help!

Postby spett » Fri May 08, 2015 9:00 am

Did you manage to find a hex file for the STC90 MCU? I'm looking for one myself... I do have a backup of the FRAM in my PC410 if you need it.
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Re: I was destroyed PC410-help!

Postby dream_coder » Sun May 10, 2015 3:08 pm

There is a fw file on the Internet it took me some searching and it is in a forum thread in I believe was Spanish, I was going to flash the fw on pc410 to unlock it's locked features but never got around to it but it is definitely there I may have a look myself and look into this again once I have finished my diy machine
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Re: I was destroyed PC410-help!

Postby dream_coder » Sun May 10, 2015 3:42 pm

http://s000.tinyupload.com/index.php?fi ... 4955563448 think this may of been it found it in my files
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Re: I was destroyed PC410-help!

Postby spett » Sun May 10, 2015 4:42 pm

Thank you for the file, but that's only the content of the FRAM (EEPROM) chip and does not unlock anything. Found it and tried it myself a couple of days ago.

Maybe someone with a unlocked controller wants to dump theirs FRAM?? :roll:

If we are lucky it's just a setting in FRAM locking it or else we'll need a dump from the STC90 MCU of an unlocked controller and that's harder to get... I do have empty MCU's in case a dump appear.. :P
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Re: I was destroyed PC410-help!

Postby dream_coder » Mon May 11, 2015 8:29 am

Yes would be very nice to have a dump of original unlocked pc410 [FACE WITH STUCK-OUT TONGUE AND WINKING EYE]
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Re: I was destroyed PC410-help!

Postby spett » Sat May 16, 2015 2:48 pm

Bad news, tried a FRAM dump from a controller with some more alm and out2 options but it didn't change anything...
We do need the STC90 MCU firmware to unlock more features.
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