Self-Service Master Board (Pk-266) - ISHIDA UNI-7 Service Manual

4.5

SELF-SERVICE MASTER BOARD (PK-266)

XJ1
No.
1 CNVss
2,4,6,10,12,14, GND
3,9 NC
5 TxD
7 MODE
8 DC+5V
11 RxD
13 RESET
XJ2
No.
1 DC+5V
2 TxD
3 RxD
4 P_GND
XJ3/XJ4
No.
DC+5V
1
2 GND
3,4,5,6 Membrane key control signal
XJ5
No.
Key scan
1,2,3,4,5,6
KS0 - KS5
Key data
7,8,9,10,11,12
KD0 - KD5
XJ6/XJ7
No.
1 DC+5V
2 GND
UNI-7 Service Manual
Signal Name
Signal Name
Signal Name
Signal Name
Signal Name
Chapter 4 ELECTRICAL SIGNALS
Direction Opposite Side
-
-
-
→
Unused
→
-
←
←
Direction Opposite Side
-
→
PK-260 XJ11
←
-
Direction Opposite Side
-
PK-267 XJ1
-
←→
Direction Opposite Side
→
Membrane key
←
Direction Opposite Side
-
Vibration unit
-
4-11