I need service manual for Curtis 1225-2401 controller

[nely]

Hi, guys,
I have some faulty of this type controllers and try to repair them. These controllers are programmable permanent magnet motor speed controllers designed for use in a variety of small electric vehicles. It is very hard to analize who is who under the cover of the controller. Therefore I kindly need your help.
Best regards,
Atanas

[jts1957]

[url]http://curtisinstruments.com/Uploads/DataSheets/1223%20(11C).pdf[/url]
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[nely_ko]

Thank you, jts1957,
I have this manual. I try to find out schematic of under the cover. There are CPU, converters, switches, buffers and vv. I want to repair this motherboard.
Have a nice week!
Atanas