Chapter 4 ELECTRICAL SIGNALS
4-2
UNI-3 Service Manual
XJ7,8
No.
Signal Name
Direction
Opposite Side
1
GND
-
XJ7 : Customer side display (L2)
XJ8 : Operator side display (L2)
2
DC+5V
-
3
RESET#
->
4,5,6
E1, E2, E3
->
7
R/W
->
8
A0
->
9,10,11,12,13,
14,15,16
LCD data signal
D0 – D7
->
17
LED ANODE (Y/G)
-
18,20
Not connected
19
LED CATHODE (Y/G)
-
XJ9
No.
Signal Name
Direction
Opposite Side
1
DC+24V
-
Back light resister (L2)
2
DC+24V for LCD (L2)
-
XJ10
No.
Signal Name
Direction
Opposite Side
1,2,3
DC+24V main power supply
-
Switching power supply
4,5,6
GND
-
XJ11
No.
Signal Name
Direction
Opposite Side
1
DC+5V
-
Thermal head
2
GND
-
3,4,6,10,27
Thermal head control signal
->
5,7,8,9,28
Not connected
11,12
Thermistor input signal
<-
13,14,15,16,17,
18,19
GND
-
20,21,22,23,24,
25,26
DC+24V for thermal head
-
Summary of Contents for Uni-3
Page 10: ...TABLE OF CONTENTS viii UNI 3 Service Manual MEMO ...
Page 18: ...Chapter 1 BASIC INFORMATION 1 8 UNI 3 Service Manual MEMO ...
Page 19: ...Chapter 2 ASSEMBLY DRAWINGS UNI 3 Service Manual 2 1 ASSEMBLY DRAWINGS 2 1 BENCH TYPE L2 2 ...
Page 21: ...Chapter 2 ASSEMBLY DRAWINGS UNI 3 Service Manual 2 3 2 2 BENCH TYPE L1 ...
Page 23: ...Chapter 2 ASSEMBLY DRAWINGS UNI 3 Service Manual 2 5 2 3 POLE TYPE L2 ...
Page 25: ...Chapter 2 ASSEMBLY DRAWINGS UNI 3 Service Manual 2 7 2 4 POLE TYPE L1 ...
Page 30: ...Chapter 3 BLOCK DIAGRAMS 3 4 UNI 3 Service Manual MEMO ...
Page 38: ...Chapter 4 ELECTRICAL SIGNALS 4 8 UNI 3 Service Manual MEMO ...
Page 50: ...Chapter 5 MACHINE DISASSEMBLY 5 12 UNI 3 Service Manual ...