Read Panasonic CQ-C1505N Service Manual online
6
4.1.2.
Display Block
IC901 : C0HBA0000195
Pin No.
Port
Description
I/O
(V)
1
GREEN
LED control (Green)
O
0
2
RED
LED control (Red)
O
4.9
3, 4
(NC)
-
-
-
5 - 37
SEG33 -1
LCD segment data
O
2.5
38, 39
(NC)
-
-
-
40 - 43 COM4 -1
LCD common
O
2.5
44
(NC)
-
-
-
45 - 49 KS2-6
Key scan
O
5
50 - 54 Kl1-5
Key data
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5
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
62
CE
LCD driver chip enable
I
0.3
63
CLK
LCD clock
I
5.1
64
DI
LCD data
I
4.9
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