Read Panasonic CQ-C3503N / CQ-C3303N Service Manual online
9.2. Display Block
IC901 : C0HBA0000195
Pin No.
Port
Description
I/O
(V)
1
GREEN CNT LED control (Green)
O
0
2
RED CNT
LED control (Red)
O
4.9
3 -39
SEG3 -39
LCD segment data
O
2.5
40 -43 COM1 -4
LCD common
O
2.5
44, 45 SEG40, 41
LCD segment data
O
2.5
46 -49 KS3-6
Key scan
O
5.0
50 -54 Kl1-5
Key data
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5.0
57
VDD1
VDD1 filter terminal
-
3.3
58
VDD2
VDD2 filter terminal
-
1.7
59
VSS
Ground
-
0
60
OSC
Oscillator terminal
-
3.8
61
DO
Key data output
O
5.0
62
CE
LCD driver chip enable
I
0.3
63
CLK
LCD clock
I
5.1
64
DI
LCD data
I
4.9
6
CQ-C3503N / CQ-C3303N
Click on the first or last page to see other CQ-C3503N / CQ-C3303N service manuals if exist.