
44
44
STR-DH730/DH830
STR-DH730/DH830
5-33. SCHEMATIC DIAGRAM – USB BOARD –
• See page 46 for IC Block Diagrams.
COMPARATOR
REGISTER
CONTROL
3.3V REG
USB SELECTOR
IC4121
IC4101
JL4105
12k
R4129
JL4101
JL4104
JL4100
MC2840-T112-1
D4105
MC2840-T112-1
D4104
4P
J4000
1
2
3
4
CL4117
CL4118
CL4120
0
R4174
0
R4175
CL4135
CL4133
CL4130
CL4132
CL4129
CL4131
CL4127
JL4110
JL4111
330ohm
FB4100
3
1
4
XX
L4100
JL4115
JL4118
10V
2.2
C4163
CL4128
CL4124
CL4134
0R
4114
RT3T11M-TP-1
Q4123
6
5
4
3
2
1
1kohm
FB4101
2SC3052EF-T1-LEF
Q4121
JL4151
J4100
JL4152
JL4106
JL4108
CL4142
1
3
4
5
6
7
8
9
10
11
12
13
14
CN4100
USB_SPDIF
M
CHNG
IPOD_RE
Q
OV
C
SC
L
SDA
RESET
BUSY
REG_CTRL
GND
GND
+6V
+6V
CL4125
ET4100
CL4119
BA33BC0FP-E2
IC4161
50V
0.47
C4165
6.3V
220
C4166
6.3V
220
C4102
6.3V
220
C4162
10V
22
C4134
10V
22
C4130
16V
10
C4129
10V
47
C4136
C4157
6.3V
47
16V
1
C4135
16V
1
C4128
100
R
4112
R
411
5
100
R
411
8
100
R
411
7
100
R
411
6
100
R
411
9
100
R
412
0
100
100
R
412
1
10k
R4123
10k R 4127
10k
R4124
10k R 4126
470
R4163
47k
R4164
470k
R4161
47k
R4137
47k
R4142
47k
R4139
10k
R4141
4.7k
R4134
4.7k
R4136
4.7k
R4135
4.7k
R4133
6.8k
R4145
1k
R4138
1k
R4146
10k
R4148
100
R4132
100k
R4147
100k
R4150
10k
R4149
6.2k
R4143
100p
C4127
33p
C4133
33p
C4131
0.022
C4138
50V
C4159
1p
10k
R
4111
1M
R4130
1000p
C4119
0.1
0.1
C 4117
0.1
C4158
0.1
C4156
0.1
C4132
0.1
C
4121
0.1
C 4109
0.1
C4112
1000p
C4120
7p
C4114
7p
C4113
10V
0.1
C4101
10k
R4125
10k
R
4122
NJM4565M(TE2)
IC4121
DA2J10100L
D4160
TC7WHU04FU(TE12R)
IC4160
1
2
3
4
4P
CN4101
MIC_MUTE
GND
+7V
DCAC_SIGNAL
6.3V
220
C4155
DZ2J06200L
D4102
DZ2J06200L
D4103
DZ2J06200L
D4101
0.1
C4111
50V
1000p
C4184
25V
0.1
C4181
NJM2903V(TE2)
IC4101
1/2W
0.1
R4184
25V
0.1
C4182
33k
R4181
22k
R4180
10k
R4186
10V
2.2
C4164
1SS367-T3SONY
D4161
1SS367-T3SONY
D4162
0.1
C4185
16.9344MHz
X4102
1
2
DA2J10100L
D4121
220
R4131
0.1
C4116
0.1
C4115
VD4120
VD4121
VD4170
VD4171
BD00HC5WEFJ
10
C4167
10
C 4110
2200p
C4137
56k
R4144
10k
R4182
16V
0.1
C4161
FB4161
470ohm
330
R4162
10k
R4188
7.5k
R4185
7.5k
R4183
7.5k
R4189
12k
R4190
GND
D+
D-
VBUS
11
1
13
12
8
10
13
12
11
10
8
1
7
5
5
7
50V
1000p
C4183
GND
2
GND
10k
0.1
C4186
R4187
CL4115
CL4116
CL4139
CL4140
CL4141
220ohm
FB4102
10V
220
C4168
0.1
C4169
14p
iPhone/iPod
AUTO CAL MIC
MIC MUTE
DRIVER
MIC MUTE
SWITCH
OP AMP
6.2
3.2
3.0
3.2
0
3.2
3.2
0
0
0
0
0
3.1
3.2
3.2
0
0
0
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
0
0
0
0
0
1.5 1.4
3.2
3.2
3.2
3.2
3.2
1.5
0.5
3.2
3.2
3.2
3.2
3.2
2.9
3.0
2.9
5.5
5.0
0.7
3.1
3.0
3.0
3.2
6.2
3.8
3.8
3.8
3.8
3.8
3.8
7.3
0.9
0.2
0.2
3.1
0.2
4.1
0.2
IC4161
IC4160
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
USB BOARD
Note:
IC4100 on the USB board cannot exchange with single. When this
part on the USB board is damaged, exchange the entire mounted
board.
Summary of Contents for STR-DH830
Page 93: ...MEMO 93 STR DH730 DH830 ...