ISHIDA Uni-5 - Self-Service Master Board (PK-267) Signals

Chapter 4 ELECTRICAL SIGNALS
UNI-5 Service Manual 4-11
4.6 SELF-SERVICE MASTER BOARD (PK-267)
XJ1
No. Signal Name Direction Opposite Side
1
DC+5V -
PK-266 XJ3/XJ4
2 GND -
3,4,5,6 Membrane key control signal ←→
XJ2
No. Signal Name Direction Opposite Side
1,2,3,4,5,6
Key scan
KS0 - 5
→
Membrane key
7,8,9,10,11,12
Key data
KD0 - 5
←