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OK here is the short explanation of the 5-pin connector:
Pin 1 and pin 5 = +9,6V
Pin 2 and pin 4 = -9,6V
Then you make that small circuit with the optocoupler from the comment number 19. connect X1-1 and X1-2 to the 230V AC, connect the emitter of the optocouple transistor to the pins 2 and 4...
Anyway... Here the solution I just implemented in my Siemens HB86P575 that has this type of power supply. I found that the power supply is 9.6V 12.5W, but has 5-pol connector. A little bit of reverse-engineering showed that the pins 1 and 5 are connected together to +9.6V, pins 2 and 4 are the...
I just successfully repaired a Siemens oven with exactly the same type of power supply. Instead of repairing the schematic with unknown chip I replaced this one with another (Chinese :)) power supply and added the rest of the clock schematic by myself. If anybody is interested in particularities...
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