help with spectron amp

Hi
I know i'm asking alot buy does anyone have a schematic for a spectron 3SE amp. For quite a while now i have had problems with one of the channels.This resulted in me sending the module to spectron which is not cheap from New Zealand.I don't have a problem with that as i was well aware and think it is a neat feature that the the brains of the amp so to speak is incorporated in a compact little package that you can simply detach and post. While the module was being repaired the second time i purchased a pair of MK2s which i was able to import in a car my friend purchased from the USA. When the repaired module arrived i reattached it into the SE amp.
The problem was still the same so after consulting with spectron I removed a module from