Inca Tec amplifier, anyone repaired one, has info etc.?

[b.barwick]

Hello....

Has anyone repaired or indeed have a circuit diagram for an 'Inca Tec' audio
amplifier.

I have in for repair that has an odd fault, after a few hours apparently it
gives HF distortion, then goes away!

Anyone have a schemetic I can photocopy.....

Thanks


Brian