ISHIDA Uni-3 Service Manual

Chapter 4 ELECTRICAL SIGNALS
UNI-3 Service Manual 4-5
4.2 A/D BOARD
CN2
No. Signal Name Direction Opposite Side
1,3,5,7,11 Not connected
Main board PS-990* XJ21
2,4,8 A/D board control signal <-->
6 DC+5V -
9 GND -
10 DC+12V -
4.3 KEY BOARD PS-068 (BENCH/POLE/EV), PS-037(HANGING)
CN1
No. Signal Name Direction Opposite Side
1,2,3,4,5,
6,7,8
Key scanning
KS0 - KS7
<-
Main board PS-990* XJ18
9,10,11,12,13,
14,15,16,17,18,
19,20,21,22
Key data
KD0 - KD13
->
23,24,25,26 Not connected
CN2
No. Signal Name Direction Opposite Side
1,2,3,4,5,
6,7,8,9,10,
11,12,13,14
Key data
KD0 - KD13
<-
Membrane key sheet
15,16 Not connected
CN3
No. Signal Name Direction Opposite Side
1,2,3,4,5,
6,7,8
Key scanning
KS0 - KS7
-> Membrane key sheet

ISHIDA Uni-3 Specifications

General

Brand	ISHIDA
Model	Uni-3
Category	Scales
Language	English