definitely not a well known brand, which is why you're having a lot of trouble getting a response. is it a stereo amp? if so, and if components were removed from one channel, you can use the other channel as a guide. if components were removed from both channels, you will have a very difficult time figuring out what is missing..... your only other hope for repairing this is if the amp was oem'ed for another company, such as Pioneer, Kenwood, Sony, etc... if that is the case, you might find a schematic for the OEM amp that yours is a clone of...