L1 Type Lcd Display Board; L2 Type Lcd Display Board - ISHIDA UNI-3 Service Manual

Chapter 4 ELECTRICAL SIGNALS
4.4

L1 TYPE LCD DISPLAY BOARD

No.
1 DC+5V
2 GND
3,4 LCD control signal
5 DC+5V for LED
4.5

L2 TYPE LCD DISPLAY BOARD

No.
1,3 Not connected
2 LED CATHODE (Y/G)
4 LED ANODE (Y/G)
5,6,7,8,9, LCD data signal
10,11,12 D0 - D7
13 A0
14 R/W
15,16,17 E1, E2, E3
18 RESET#
19 DC+5V
20 GND
4-6
Signal Name
Signal Name
Direction Opposite Side
-
-
Main board PS-990* XJ19, 20
<-->
-
Direction Opposite Side
-
-
<-
<-
Main board PS-990* XJ7, 8
<-
<-
<-
-
-
UNI-3 Service Manual