AZ DISPLAYS, INC. 3 6/18/97
ACM4002D SERIES LCD MODULE
6.0 POWER SUPPLY
7.0 BLOCK DIAGRAM
80
SEG41~120
U2
40
SEG1~40
LED B/L
-
14 DB7
7 DB0
K
A
8
LCD 40 X 2
16
COM16
COM1
COM
U1
SEG1----------------------SEG200
3 VO
4 RS
5 R/W
6 E
1 VSS
2 VDD
80
U3
SEG121~200
V
SS
V
O
V
DD
V
R
+5V
V
R
= 10K
~ 20K
