Sony ICD-BM1 / ICD-BM1PRO Service Manual ▷ View online
13
ICD-BM1/BM1PR O
2-6. CHASSIS SECTION
2-7. MEMORY STICK CONNECTOR
1
two claws
3
claw
2
claw
4
claw
5
6
CN701
7
chassis (rear) section
8
chassis (front) section
1
memory stick connector
2
chassis (rear)
14
ICD-BM1/BM1PR O
2-8. MAIN BOARD
1
Remove the soldering
of speaker.
5
claw
2
Remove the soldering
of MIC301.
3
MIC301
4
precision pan screw
(M1.4) (EG)
6
MAIN board
chassis (front)
15
ICD-BM1/BM1PRO
3-1. IC PIN DESCRIPTIONS
• IC601 µPD77213F1-101-DA2 (DSP) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1 to 3
NC
—
Not used
4
EVDD
—
I/O power supply (3.0 V)
5
XADACS
O
AD/DA chip select
6
ADACCLK
I/O
AD/DA clock
7
ADACDTI
I
AD/DA data input
8
ADACDTO
O
AD/DA data output
9
MICPWR
O
Microphone power supply control
10
GND
—
GND
11
XFMWP
O
Boot flash ROM write protect
12
XFMCS
O
Boot flash ROM chip select
13
MICSENSE
O
Microphone sensitivity select (H: Conference, L: Dictation)
14
GND
—
GND
15
NC
—
Not used
16
EVDD
—
I/O power supply (3.0 V)
17
HD1
I/O
Host data bus (Not used)
18
HD2
I/O
Host data bus (Not used)
19
HD0
I/O
Host data bus (Not used)
20
HD3
I/O
Host data bus (Not used)
21
HD5
I/O
Host data bus (Not used)
22
HD4
I/O
Host data bus (Not used)
23
GND
—
GND
24
IVDD
—
Core power supply (1.5 V)
25
HD7
I/O
Host data bus (Not used)
26
HD6
I/O
Host data bus (Not used)
27
GND
—
GND
28
EVDD
—
I/O power supply (3.0 V)
29
XHCS
I
Host chip select (Pull-up)
30
HA1
I
Host data access 1 (Pull-down)
31
XHWR
I
Host write (Pull-up)
32
HA0
I
Host data access 0 (Pull-down)
33
XHRD
I
Host read (Pull-up)
34
TIMOUT
O
Not used
35
SO
O
Serial data output
36
XHWE
O
Host write enable (Not used)
37
XHRE
O
Host read enable (Not used)
38
GND
—
GND
39
EVDD
—
I/O power supply (3.0 V)
40
BCLK
I/O
Bit clock
41 to 44
NC
—
Not used
45
ADASI
I
ADA serial data input
46
MCLK
I
Master clock
47
LRCLK
I/O
Clock for L-ch and R-ch (H: L-ch, L: R-ch)
48
TSO
O
Time sharing serial data output
49
TSCK
I
Time sharing serial clock input
50
TSOEN
I
Time sharing serial output enable
51
GND
—
GND
52
TSI
I
Time sharing serial data input
53
TSIAK
I
Time sharing serial input response (Not used)
54
TSORQ
O
Time sharing serial output request (Not used)
55
TSIEN
I
Time sharing serial input enable
SECTION 3
DIAGRAMS
16
ICD-BM1/BM1PRO
56
EVDD
—
I/O power supply (3.0 V)
57
MA1
O
Memory address bus 1 (Not used)
58
MA0
O
Memory address bus 0 (Not used)
59
GND
—
GND
60
IVDD
—
Core power supply (1.5 V)
61
MA2
O
Memory address bus 2 (Not used)
62
MA4
O
Memory address bus 4 (Not used)
63
GND
—
GND
64
MA3
O
Memory address bus 3 (Not used)
65
MA7
O
Memory address bus 7 (Not used)
66
MA5
O
Memory address bus 5 (Not used)
67
MA8
O
Memory address bus 8 (Not used)
68
MA6
O
Memory address bus 6 (Not used)
69
MA9
O
Memory address bus 9 (Not used)
70
MA10
O
Memory address 10 (Not used)
71
GND
—
GND
72
EVDD
—
I/O power supply (3.0 V)
73
MA11
O
Memory address 11 (Not used)
74
MA12
O
Memory address 12 (Not used)
75
MA14
O
Memory address 14 (Not used)
76
MA13
O
Memory address 13 (Not used)
77
MA16
O
Memory address 16 (Not used)
78
MA15
O
Memory address 15 (Not used)
79
EVDD
—
I/O power supply (3.0 V)
80
MA17
O
Memory address 17 (Not used)
81 to 84
NC
—
Not used
85
EVDD
—
I/O power supply (3.0 V)
86
MA18
O
Memory address 18 (Not used)
87
MA19
O
Memory address 19 (Not used)
88
XMHOLDAK
O
Memory bus hold response (Not used)
89
XMRD
O
Memory read-out (Not used)
90
XMHOLDRQ
I
Memory bus hold request (Pull-up)
91
GND
—
GND
92
EVDD
—
I/O power supply (3.0 V)
93
XMWAIT
I
Memory access weight (Pull-up)
94
XMWR
O
Memory write (Not used)
95
GND
—
GND
96
IVDD
—
Core power supply (1.5 V)
97
XMBSTB
O
Memory bus strobe (Not used)
98
MD0
I/O
Memory data bus (Not used)
99
GND
—
GND
100
MD3
I/O
Memory data bus (Not used)
101
MD1
I/O
Memory data bus (Not used)
102
MD4
I/O
Memory data bus (Not used)
103
MD5
I/O
Memory data bus (Not used)
104
MD6
I/O
Memory data bus (Not used)
105
MD2
I/O
Memory data bus (Not used)
106
MD8
I/O
Memory data bus (Not used)
107
GND
—
GND
108
EVDD
—
I/O power supply (3.0 V)
109
MD7
I/O
Memory data bus (Not used)
110
MD13
I/O
Memory data bus (Not used)
Pin No.
Pin Name
I/O
Pin Description
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