You will not find any service manual. You can try www.engelaustralia.com but I doubt it will help you. By the sounds of it your 12vdc oscillator is gone, it is usually a K3320 or similar on the old boards. On the new boards you would have to replace the board. G luck
Answers & Comments
You will not find any service manual. You can try www.engelaustralia.com but I doubt it will help you. By the sounds of it your 12vdc oscillator is gone, it is usually a K3320 or similar on the old boards. On the new boards you would have to replace the board. G luck