Read Panasonic CX-BM3091A Service Manual online
7.1. Main Block
IC601 : C2BBFE000113
Pin
No.
Name
Description
I/O
Vol.
(V)
1
(NC)
(Connecting to ground)
-
0
2
(NC)
(Connecting to ground)
-
0
3
(NC)
(Connecting to ground)
-
0
4
AVSS
Ground
-
0
5
(NC)
(Connecting to ground)
-
0
6
(NC)
(Connecting to ground)
-
0
7
AVREF1
Connect to VDD
-
5
8
(NC)
(Connecting to ground)
-
0
9
(NC)
(Connecting to ground)
-
0
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)
(Connecting to ground)
-
0
15
(NC)
(Connecting to ground)
-
0
16
(NC)
(Connecting to ground)
-
0
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)
(Connecting to ground)
-
0
28
(NC)
(Connecting to ground)
-
0
29
(NC)
(Connecting to ground)
-
0
30
(NC)
(Connecting to ground)
-
0
31
(NC)
(Connecting to ground)
-
0
32
(NC)
(Connecting to ground)
-
0
33
VSS
Ground
-
0
34
(NC)
(Connecting to ground)
-
0
35
(NC)
(Connecting to ground)
-
0
36
(NC)
(Connecting to ground)
-
0
37
(NC)
(Connecting to ground)
-
0
38
(NC)
(Connecting to ground)
-
0
39
(NC)
(Connecting to ground)
-
0
40
(NC)
(Connecting to ground)
-
0
41
(NC)
(Connecting to ground)
-
0
42
(NC)
(Connecting to ground)
-
0
43
(NC)
(Connecting to ground)
-
0
44
(NC)
(Connecting to ground)
-
0
45
S.MUTE
Mute output
O
0
46
(NC)
(Connecting to ground)
-
0
47
(NC)
(Connecting to ground)
-
0
48
(NC)
(Connecting to ground)
-
0
49
(NC)
(Connecting to ground)
-
0
50
(NC)
(Connecting to ground)
-
0
51
(NC)
(Connecting to ground)
-
0
52
(NC)
(Connecting to ground)
-
0
53
(NC)
(Connecting to ground)
-
0
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
Pin
No.
Name
Description
I/O
Vol.
(V)
61
KEY REQ
Key data input
I
0.5
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)
(Connecting to ground)
-
0
68
VDD
+5V power supply
-
5
69
X2
Crystal oscillator
-
3
70
X1
Crystal oscillator
-
2.6
71
IC
Ground
-
0
72
XT2(NC)
-
-
-
73
(NC)
(Connecting to VDD)
-
5.0
74
AVDD
+5V power supply
-
5
75
AVREF0
Ground
-
0
76
(NC)
(Connecting to ground)
-
0
77
(NC)
(Connecting to ground)
-
0
78
(NC)
(Connecting to ground)
-
0
79
(NC)
(Connecting to ground)
-
0
80
(NC)
(Connecting to ground)
-
0
7.2. MD Servo Block
Pin
No.
Name
Description
I/O Vol.
(V)
1
SCLK
Serial BUS clock
O
3.5
2
-
No connection
-
-
3
DAUOT
Not used
O
2.8
4
-
No connection
-
-
5
-
No connection
-
-
6
CNVSS
GND
-
0
7
-
No connection
-
-
8
-
No connection
-
-
9
/RESET
CPU reset
I
3.5
10
XOUT
Crystal oscillator terminal
O
1.7
11
VSS
GND
-
0
12
XIN
Crystal oscillator terminal
I
1.5
13
VCC
+3.3V power supply
-
3.5
14
-
(Connecting to BAT3.3V)
-
3.5
15
MDON
Startup signal
I
3.3
16
SQSY
Disk-subq-sync/ADIP-sync
I
3.2
17
XINT
Interrupt status signal
I
3.2
18
SENS
Serial BUS status
I
0.5
19
XLAT
Serial BUS latch
O
3.4
20
SCKM
Seral BUS clock
I
3.5
21-27 -
No connection
-
-
28
SON
Serial data
O
3.5
29
SIM
Serial data
I
1.0
30
SCKM
Data shift clock
I
3.5
31
-
No connection
-
-
32
MNT3
Monitor output
I
3.3
33
MNT2
Monitor output
I
3.3
34
MNT1
Monitor output
I
0
35
MNT0
Monitor output
I/O 3.3
36-40 -
No connection
-
-
41
XRST
Reset output
O
3.5
42
LD
Laser diode on/off
O
3.4
43
-
No connection
-
-
44
LV2
Servo Driver VC cont.
O
0
45
LV1
Servo Driver VC cont.
O
0
46
LD02
Servo Driver FWD
O
0
47
LD01
Servo Driver REV
O
0
7 TERMINALS DESCRIPTION
7
MAZDA / CX-BM3091A
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