CA-DM4491K - Panasonic Car Audio Service Manual (repair manual). Page 3

Read Panasonic CA-DM4491K Service Manual online

IC801 C0HBA0000122
Pin No.
Port
Descriptions
I/O
(V)
1
VDD
+5V power supply
-
5.0
2
OSC1
Oscillator terminal
I
2.2
3
RS
I
0
4
AC
I
0
5
CS
LCD driver chip selection
I
0
6
SCL
Shift clock for LCD data
I
0
7
DATA
LCD data
I
0
8
RESET
LCD driver reset
I
0
9
INH
LCD operation inhibition
I
5.0
10-13
P0-3
No connection
-
-
14
VSS
Ground
-
0
15-21
COM1-7
LCD common signal
O
3.9
22
COMMK
LCD common signal
O
3.9
23
NC
No connection
-
-
Pin No.
Port
Descriptions
I/O
(V)
24-98
SEG1-75
LCD segment data
O
3.9
99
VLCD2
LCD drive voltage
-
7.7
100
VLCD1
LCD drive voltage
-
6.1
5 BLOCK DIAGRAM
6 TERMINALS DESCRIPTION
3
MAZDA / CA-DM4491K
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