Read Panasonic CX-BM3090AA Service Manual online
7.1. Main Block
IC601 : C2BBFE000090
Pin No.
Name
Description
I/O
Vol.(V)
1
(NC)
-
-
-
2
(NC)
-
-
-
3
(NC)
-
-
-
4
AVSS
Ground
-
0
5
(NC)
-
-
-
6
(NC)
-
-
-
7
AVREF1
Connect to VDD
-
5.0
8
(NC)
-
-
-
9
(NC)
-
-
-
10
P.ON
Power on signal
O
4.9
11
MD-SIM
MD serial data
I
0
12
MD-SOM
MD serial data
O
1.2
13
MD-SCK
MD clock
O
4.9
14
(NC)
-
-
-
15
(NC)
-
-
-
16
(NC)
-
-
-
17
MD DATA
MD data
O
0
18
MD CLK
MD clock
O
0
19
MD ON
MD controller enable
O
4.9
20
MD RESET
MD reset signal
O
4.9
21
(NC)
-
-
-
22
(NC)
-
-
-
23
(NC)
-
-
-
24
(NC)
-
-
-
25
(NC)
-
-
-
26
(NC)
-
-
-
27
(NC)
-
-
-
28
(NC)
-
-
-
29
(NC)
-
-
-
30
(NC)
-
-
-
31
(NC)
-
-
-
32
(NC)
-
-
-
33
VSS
Ground
-
0
34
(NC)
-
-
-
35
(NC)
-
-
-
36
(NC)
-
-
-
37
(NC)
-
-
-
38
(NC)
-
-
-
39
(NC)
-
-
-
40
(NC)
-
-
-
41
(NC)
-
-
-
42
(NC)
-
-
-
43
(NC)
-
-
-
44
(NC)
-
-
-
45
S.MUTE
Mute output
O
0
46
(NC)
-
-
-
47
(NC)
-
-
-
48
(NC)
-
-
-
49
(NC)
-
-
-
50
(NC)
-
-
-
51
(NC)
-
-
-
52
(NC)
-
-
-
53
(NC)
-
-
-
54
LCD CONT
LCD control
O
4.9
55
LCD RESET
LCD reset
O
4.9
56
LCD OFF
LCD off signal
O
4.9
57
LCD STB
LCD strobe
O
0
58
LCD CLK
LCD clock
O
0
59
LCD DATA
LCD data
I/O
4.9
60
RESET
Reset input
I
4.9
61
KEY REQ
Key data input
I
0.5
Pin No.
Name
Description
I/O
Vol.(V)
62
BATT-DET
BATT voltage detect
I
4.9
63
ACC-DET
ACC voltage detect
I
4.9
64
MD EJECT
MD eject
I
4.9
65
BUS IN
BUS signal input
I
4.9
66
BUS OUT
BUS signal output
O
0
67
(NC)
-
-
-
68
VDD
+5V power supply
-
5.0
69
X2
Crystal oscillator
-
3.0
70
X1
Crystal oscillator
-
2.6
71
IC
Ground
-
0
72
XT2(NC)
-
-
-
73
(NC)
-
-
-
74
AVDD
+5V power supply
-
5
75
AVREF0
Ground
-
0
76
(NC)
-
-
-
77
(NC)
-
-
-
78
(NC)
-
-
-
79
(NC)
-
-
-
80
(NC)
-
-
-
7 TERMINALS DESCRIPTION
8
MAZDA / CX-BM3090AA
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