Read Panasonic CQ-MS0570LC Service Manual online
Pin
No.
Port
I/O
Description
FM
(V)
(V)
AM
(V)
CD
(V)
96 CD-ON
O H:CD (IDC) deck microcomputer
communication can be done
0
0
5.0
L:CD (IDC) deck microcomputer
communication cannot be done
communication cannot be done
97 CD-SCKM
O CD
(IDC)
deck
serial
communication clock
0
0
5.0
98 CD-SIM
O CD
(IDC)
deck
serial
communication
5.0 5.0 5.0
H:data "1" L:data "0"
99 SW3
I
H:SW3 off L:SW3 on
5.3 5.3
0
100 ILL-DET
I
H:Illumi off L:Illumi on
5.1 5.1 5.1
6.2. Display Block
IC901 : YEAMLC75884W
Pin No.
Port
Descriptions
I/O Vol
(V)
1-2
P3-P4(NC)
-
-
-
3-45
SEG1-SEG43 LCD segment
O
2.7
46-51
NC
-
-
-
52-55
COM1-COM4 LCD common
O
2.7
56-60
KS1-KS5
Key data output
O
5.1
61
NC
-
-
-
62-65
KI1-KI4
Key data input
I
0
66
KI5
Ground
-
0
67
VDD
Power supply +5V
-
5.3
68
VLCD
LCD drive reference
voltage(VDD)
voltage(VDD)
I
5.1
69
VLCD1
LCD drive reference voltage 1
-
3.8
70
VLCD2
LCD drive reference voltage 2
-
1.8
71
VSS
Ground
-
0
72
TEST
Ground
-
0
73
OSC
CR Oscillator
I
3.9
74
RES
LCD reset
-
5.1
75
DO
LCD data
O
5.3
76
CE
LCD chip enable
I
0
77
DL
LCD clock
I
0
78
DI
LCD data
I
0
79-80
P1-P2 (NC)
-
-
-
7
CQ-MS0570LC
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