Alan I saw that unit in Google images fitted to what looks like the same type of chassis that John probably has, not sure about the discriminator etc that would go with it, however here's a link to some of Shaubs schematics for their "converter" type units, the schematics will magnify (a bit..) if you click on them:
http://translate.google.co.uk/translate?hl=en&sl=ru&u=http://www.soundup.ru/index.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D3699%253Aschaub-11%26catid%3D46%253Alibrary-scheme-ind%26Itemid%3D86&prev=/search%3Fq%3Dschaub%2Bukw52/30%26client%3Dfirefox-a%26hs%3DrCU%26rls%3Dorg.mozilla:en-US:official%26channel%3Dsb
Lawrence.
http://translate.google.co.uk/translate?hl=en&sl=ru&u=http://www.soundup.ru/index.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D3699%253Aschaub-11%26catid%3D46%253Alibrary-scheme-ind%26Itemid%3D86&prev=/search%3Fq%3Dschaub%2Bukw52/30%26client%3Dfirefox-a%26hs%3DrCU%26rls%3Dorg.mozilla:en-US:official%26channel%3Dsb
Lawrence.







