Urgent need of a manual and circuit diagram

I recently purchased a Catel FMX 2100 modulator on e-bay and sadly it did not come with a manual. I know from my reading of ebay postings that these modulators are very popular in the cable TV industry but there appear to be quite a few hitting the second hand market. In Australia we use 50uS pre-emphasis not 75uS like what is used in the US. In order to tgethte modulator working properly as a low powered exciter around the house I need to change the pre-emphasis. Anyone with a photo copy or scanned image of the circuit diagram that is prepared to help, it would be greatly apprecaite. Regards Terry

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