Repair help needed

Hi,
I have offer to buy HPS140i from ebay and the price is bargain but unit is not working and that is all that is specified.
Can you please upload schematics or service manual because that will really help me with repair.
Thanks

Hereby a link to the technical doc:
http://www.velleman.eu/images/tmp/HPS140i%20technical%20doc%20V2.pdf

Thank you it will help a lot