ISHIDA Uni-5 Service Manual

Chapter 4 ELECTRICAL SIGNALS
4-6 UNI-5 Service Manual
4.2 KEY/LCD BOARD (PK-261)
XJ1
No. Signal Name Direction Opposite Side
1 DC+5V -
Unused
2 MODE →
3 RESET ←
4 Unused -
5,6 GND -
XJ2
No. Signal Name Direction Opposite Side
1 X1 →←
Touch panel
2 X2 →←
3 Y1 →←
4 Y2 →←
XJ3
No. Signal Name Direction Opposite Side
1,2,5,7,9,11,14,
16,18,25,26,40
GND
-
PK-270(XJ16)
3,4 DC+5V power supply for LCD →
6,8,10,12,13,
15,17,19,20
LCD control signal
→
21,22 AC power supply for LCD -
23 DC-10V power supply for LCD -
24 DC+15V power supply for LCD -
27 DC+15V power supply LCD backlight -
28,29 Light control signal for LCD backlight ←
30 External buzzer signal →
31 Vibration signal →
32,33 DC+5V -
34 - 39 Membrane key control signal ←→
XJ4
No. Signal Name Direction Opposite Side
1 GND -
Unused
2 DIM →
3 DC+5V -

ISHIDA Uni-5 Specifications

General

Brand	ISHIDA
Model	Uni-5
Category	Scales
Language	English