Sony HS-MB1 Service Manual ▷ View online
HS-MB1
37
• IC Pin Function Description
VIDEO BOARD (3/7) IC100 MB91F467RAPMC-GE1 (SYSTEM CONTROL)
VIDEO BOARD (3/7) IC100 MB91F467RAPMC-GE1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground
2
STOP IN
I
Power supply cut detect signal input
3 to 5
NO USE
O
Not used. (Open)
6
I2C_SDA
I/O
I2C SDA signal input/output
7
I2C_SCL
O
I2C SCL signal output
8
EEPROM_SDA
I/O
EEPROM SDA signal input/output
9
EEPROM_SCL
O
EEPROM SCL signal output
10
ZONE1 P LIMIT
I
ZONE 1 (9) over power supply detect signal input
11, 12
VCC3
—
Power supply pin (+3.3 V)
13
VSS
—
Ground
14
C_1
—
Regulator reference capacitor connecting pin
15
ZONE2 P LIMIT
I
ZONE 2 (10) over power supply detect signal input
16
ZONE3 P LIMIT
I
ZONE 3 (11) over power supply detect signal input
17
ZONE4 P LIMIT
I
ZONE 4 (12) over power supply detect signal input
18
ZONE5 P LIMIT
I
ZONE 5 (13) over power supply detect signal input
19
ZONE6 P LIMIT
I
ZONE 6 (14) over power supply detect signal input
20
ZONE7 P LIMIT
I
ZONE 7 (15) over power supply detect signal input
21
ZONE8 P LIMIT
I
ZONE 8 (16) over power supply detect signal input
22
FMS6501 COMPOSITE
CONTROL SELECT
O
FMS6501 composite control select signal output
23
FMS6501 COMPO-
NENT CB SIGNAL
CONTROL SELECT
O
FMS6501 component Cb signal control select signal output
24
FMS6501 COMPO-
NENT Y SIGNAL CON-
TROL SELECT
O
FMS6501 component Y signal control select signal output
25
FMS6501 COMPO-
NENT CR SIGNAL
CONTROL SELECT
O
FMS6501 component Cr signal control select signal output
26, 27
NO USE
O
Not used. (Open)
28
NO USE
O
Not used. (Fixed at H)
29, 30
NO USE
O
Not used. (Open)
31
POW LED_SW
O
DC IN indicator LED control signal output
32, 33
NO USE
O
Not used. (Open)
34
SPCONT1
O
Doorbell 1 speaker control signal output
35
SPCONT2
O
Doorbell 2 speaker control signal output
36
VCC3
—
Power supply pin (+3.3 V)
37
C_2
—
Regulator reference capacitor connecting pin
38
VSS
—
Ground
39
X0
I
Main clock signal input (4 MHz)
40
X1
O
Main clock signal output (4 MHz)
41
VSS
—
Ground
42
X0A
I
Not used. (Fixed at L)
43
X1A
O
Not used. (Open)
44
VCC3
—
Power supply pin (+3.3 V)
45
VSS
—
Ground
46
ASEL1 CLK
O
Audio selector (R2S1520) 1 CLK signal output
47
ASEL1 DAT
O
Audio selector (R2S1520) 1 DAT signal output
48
ASEL2 CLK
O
Audio selector (R2S1520) 2 CLK signal output
49
ASEL2 DAT
O
Audio selector (R2S1520) 2 DAT signal output
50
ASEL3 CLK
O
Audio selector (R2S1520) 3 CLK signal output
51
ASEL3 DAT
O
Audio selector (R2S1520) 3 DAT signal output
52
ASEL4 CLK
O
Audio selector (R2S1520) 4 CLK signal output
53
ASEL4 DAT
O
Audio selector (R2S1520) 4 DAT signal output
HS-MB1
38
Pin No.
Pin Name
I/O
Description
54
ZONE1 MIC/AU SW A
O
ZONE 1 (9) mic/audio switch (TC4053) A signal output
55
ZONE1 MIC/AU SW B
O
ZONE 1 (9) mic/audio switch (TC4053) B signal output
56
ZONE1 MIC/AU SW C
O
ZONE 1 (9) mic/audio switch (TC4053) C signal output
57
VCC3
—
Power supply pin (+3.3 V)
58
VSS
—
Ground
59
ZONE1 MIC/AU SW INH
O
ZONE 1 (9) mic/audio switch (TC4053) INH signal output
60
ZONE2 MIC/AU SW A
O
ZONE 2 (10) mic/audio switch (TC4053) A signal output
61
ZONE2 MIC/AU SW B
O
ZONE 2 (10) mic/audio switch (TC4053) B signal output
62
ZONE2 MIC/AU SW C
O
ZONE 2 (10) mic/audio switch (TC4053) C signal output
63
ZONE2 MIC/AU SW INH
O
ZONE 2 (10) mic/audio switch (TC4053) INH signal output
64
ZONE3 MIC/AU SW A
O
ZONE 3 (11) mic/audio switch (TC4053) A signal output
65
ZONE3 MIC/AU SW B
O
ZONE 3 (11) mic/audio switch (TC4053) B signal output
66
ZONE3 MIC/AU SW C
O
ZONE 3 (11) mic/audio switch (TC4053) C signal output
67
ZONE3 MIC/AU SW INH
O
ZONE 3 (11) mic/audio switch (TC4053) INH signal output
68
ZONE4 MIC/AU SW A
O
ZONE 4 (12) mic/audio switch (TC4053) A signal output
69
ZONE4 MIC/AU SW B
O
ZONE 4 (12) mic/audio switch (TC4053) B signal output
70
ZONE4 MIC/AU SW C
O
ZONE 4 (12) mic/audio switch (TC4053) C signal output
71
ZONE4 MIC/AU SW INH
O
ZONE 4 (12) mic/audio switch (TC4053) INH signal output
72
ZONE5 MIC/AU SW A
O
ZONE 5 (13) mic/audio switch (TC4053) A signal output
73
VCC3
—
Power supply pin (+3.3 V)
74
VSS
—
Ground
75
ZONE5 MIC/AU SW B
O
ZONE 5 (13) mic/audio switch (TC4053) B signal output
76
ZONE5 MIC/AU SW C
O
ZONE 5 (13) mic/audio switch (TC4053) C signal output
77
ZONE5 MIC/AU SW INH
O
ZONE 5 (13) mic/audio switch (TC4053) INH signal output
78
ZONE6 MIC/AU SW A
O
ZONE 6 (14) mic/audio switch (TC4053) A signal output
79
ZONE6 MIC/AU SW B
O
ZONE 6 (14) mic/audio switch (TC4053) B signal output
80
ZONE6 MIC/AU SW C
O
ZONE 6 (14) mic/audio switch (TC4053) C signal output
81
ZONE6 MIC/AU SW INH
O
ZONE 6 (14) mic/audio switch (TC4053) INH signal output
82
ZONE7 MIC/AU SW A
O
ZONE 7 (15) mic/audio switch (TC4053) A signal output
83
ZONE7 MIC/AU SW B
O
ZONE 7 (15) mic/audio switch (TC4053) B signal output
84
ZONE7 MIC/AU SW C
O
ZONE 7 (15) mic/audio switch (TC4053) C signal output
85
ZONE7 MIC/AU SW INH
O
ZONE 7 (15) mic/audio switch (TC4053) INH signal output
86
ZONE8 MIC/AU SW A
O
ZONE 8 (16) mic/audio switch (TC4053) A signal output
87
ZONE8 MIC/AU SW B
O
ZONE 8 (16) mic/audio switch (TC4053) B signal output
88
VSS
—
Ground
89
VCC3
—
Power supply pin (+3.3 V)
90
ZONE8 MIC/AU SW C
O
ZONE 8 (16) mic/audio switch (TC4053) C signal output
91
ZONE8 MIC/AU SW INH
O
ZONE 8 (16) mic/audio switch (TC4053) INH signal output
92
NO USE
O
Not used. (Open)
93
EXT CHIME1
O
Exteral chime 1 drive signal output
94
EXT CHIME2
O
Exteral chime 2 drive signal output
95
DOOR1 MODE SW
I
Doorbell 1 MODE switch input (OFF detect) signal input
96
DOOR2 MODE SW
I
Doorbell 2 MODE switch input (OFF detect) signal input
97
NO USE
O
Not used. (Open)
98
DOOR1 GAIN SW
I
Doorbell 1 GAIN switch detect signal input
99
DOOR2 GAIN SW
I
Doorbell 2 GAIN switch detect signal input
100
AD KEY1
I
A/D key 1 signal input
101
AD KEY2
I
A/D key 2 signal input
102
DOORBELL1 DET
I
Doorbell 1 pushed detect signal input
103
DOORBELL2 DET
I
Doorbell 2 pushed detect signal input
104
MIC-A SELECT SW A
O
MIC-A selector switch (TC4052) A signal output
105
MIC-A SELECT SW B
O
MIC-A selector switch (TC4052) B signal output
106
MIC-A SELECT SW INH
O
MIC-A selector switch (TC4052) INH signal output
107
MIC-B SELECT SW A
O
MIC-B selector switch (TC4052) A signal output
108
MIC-B SELECT SW B
O
MIC-B selector switch (TC4052) B signal output
109
MIC-B SELECT SW INH
O
MIC-B selector switch (TC4052) INH signal output
HS-MB1
39
Pin No.
Pin Name
I/O
Description
110
DOOR SP SW A
O
Doorbell 1/2 speaker enable switch (TC4053) A signal output
111
DOOR SP SW B
O
Doorbell 1/2 speaker enable switch (TC4053) B signal output
112
DOOR SP SW C
O
Doorbell 1/2 speaker enable switch (TC4053) C signal output
113
DOOR SP SW INH
O
Doorbell 1/2 speaker enable switch (TC4053) INH signal output
114
AVSS/AVRL
—
Ground
115
AVCC3
—
Power supply pin (+3.3 V)
116
AVRH
—
Power supply pin (+3.3 V)
117
I2C DATA BUS MONI-
TOR
I/O
I2C DAT signal input/output (for debug)
118
I2C CLK MONITOR
O
I2C CLK signal output (for debug)
119 to 122
NO USE
O
Not used. (Open)
123
MONITOR SELECT
SW A
O
Monitor selector switch (TC4052) A signal output
124
MONITOR SELECT
SW B
O
Monitor selector switch (TC4052) B signal output
125
NO USE
O
Not used. (Open)
126
RST_TRG
O
Main micon reset trigger signal output
127
MD3
—
Connect to GND.
128
MD2
—
Not used. (Fixed at L)
129
MD1
—
Connect to GND.
130
MD0
—
Connect to GND.
131
INITX
I
External reset signal input
132
VSS
—
Ground
133
VCC5
—
Power supply pin (+3.3 V)
134
RS-232C_RX
I
Stack communication /fl ash update RX signal input
135
RS-232C_TX
O
Stack communication /fl ash update TX signal output
136
NO USE
O
Not used. (Open)
137
SOURCE1 (STR) RX
I
SOURCE 1 (STR) communication RX signal input
138
SOURCE1 (STR) TX
O
SOURCE 1 (STR) communication TX signal output
139
NO USE
O
Not used. (Open)
140
KEYPAD1 RX
I
Keypad 1 communication RX signal input
141
KEYPAD1 TX
O
Keypad 1 communication TX signal output
142
NO USE
O
Not used. (Open)
143
KEYPAD2 RX
I
Keypad 2 communication RX signal input
144
KEYPAD2 TX
O
Keypad 2 communication TX signal output
145
NO USE
O
Not used. (Open)
146
VSS
—
Ground
147
VCC5
—
Power supply pin (+3.3 V)
148
KEYPAD3 RX
I
Keypad 3 communication RX signal input
149
KEYPAD3 TX
O
Keypad 3 communication TX signal output
150
NO USE
O
Not used. (Open)
151
KEYPAD4 RX
I
Keypad 4 communication RX signal input
152
KEYPAD4 TX
O
Keypad 4 communication TX signal output
153
NO USE
O
Not used. (Open)
154
DMPORT_RX
I
DMPORT communication RX signal input
155
DMPORT_TX
O
DMPORT communication TX signal output
156
DMPORT_DET
I
DMPORT detect signal input
157
KEYPAD5 TX
O
Keypad 5 communication TX signal output
158
KEYPAD6 TX
O
Keypad 6 communication TX signal output
159
KEYPAD7 TX
O
Keypad 7 communication TX signal output
160
KEYPAD8 TX
O
Keypad 8 communication TX signal output
161
VSS
—
Ground
162
VCC5
—
Power supply pin (+3.3 V)
163
SOURCE2 RX
I
SOURCE 2 communication RX signal input
164
SOURCE3 RX
I
SOURCE 3 communication RX signal input
165
SOURCE4 RX
I
SOURCE 4 communication RX signal input
HS-MB1
40
Pin No.
Pin Name
I/O
Description
166
BURN IN MODE
O
Burn in mode control signal output
167
NO USE
O
Not used. (Open)
168
KEYPAD5 RX
I
Keypad 5 communication RX signal input
169
KEYPAD6 RX
I
Keypad 6 communication RX signal input
170
KEYPAD7 RX
I
Keypad 7 communication RX signal input
171
KEYPAD8 RX
I
Keypad 8 communication RX signal input
172
NO USE
O
Not used. (Open)
173
SOURCE2 TX
O
SOURCE 2 communication TX signal output
174
SOURCE3 TX
O
SOURCE 3 communication TX signal output
175
SOURCE4 TX
O
SOURCE 4 communication TX signal output
176
VCC5
—
Power supply pin (+3.3 V)
Click on the first or last page to see other HS-MB1 service manuals if exist.