Sega Saturn switchless MOD Pal smaller mainbaord

My second german Saturn for switchless MOD was not the same as the first one.

This one got 2 PCBs inside. A smaller Main PCB and a separate Controller Port PCB.

The Mainboard is called: 837-11892-01 PAL.

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Here you can find the Mainboard Revision on the TOP Side of the Board

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For correct working of the 50/60Hz you have to desolder Pin 1 and pull up pin 1 of IC20.

Then wire it to GND.

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Backsite Mainboard.You need to cut the jumper at JP7 (remove the circuit)

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Frontsite of the Mainboard (LED Resistors 220Ohm) PIC 16F630 cut the two red marked circuit pathes between JP12 and JP 10

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Separate Controller PCB (cut the red marked circuit)

wire colors (upper site grey at the RESET Button, downsite white)

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DUO-LED soldering an position at the separate Controller PCB

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Some more pictures

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