5
Circuit description
The circuit W25T is the brain of the machine. It controls the quantity of water sold,
the vend prices, the different payment peripherals, and keeps track of the sales
done. The W25T is actually two circuit boards mounted on each other. Most of
the wiring of the machine goes to or comes from the W25T.
The lower board is part number A09860.
The piggyback expansion board is part number A09870.
One cannot work without the other.
