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SRS-NWGU50
SRS-NWGU50
10
10
4-4. SCHEMATIC DIAGRAM - MAIN Board (1/2) -
• See page 7 for Waveforms. • See page 14 for IC Block Diagrams.
BOARD
DOCK
A
BOARD
MAIN
1
(2/2)
BOARD
MAIN
2
(2/2)
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
BOARD
MAIN
3
(2/2)
BOARD
MAIN
4
(2/2)
3
2
1
3.2
0
2.5
3.3
5
0
3.2
0
2.5
3.3
5
0
0
4.9
1.3
2.8
0
5.1
2.8
2.8
0
3.3
0
2.5
2.5
2.5
5
2.5
2.5
2.5
13.1
5
3.3
1.3
1.6
3.3
1.6
1.6
1.2
3.3
3.3
2.5
2.5
1.6
1.6
3.3
5
2.5
3.3
3.3
3.3
1.6
1.6
1.2
1.2
1.9
3.2
3.2
3.3
0
0.9
6.6
6.6
6.6
6.6
13.1
13.1
16.3
10.5
10.5
16.3
16.3
16.3
13.1
13.1
13.1
1.6
1.6
3.3
3.2
6.6
6.6
13.1
13.1
3.3
1.8
1.1
0.7
3.3
13.1
13.1
6.6
6.6
3.3
6.6
6.6
6.6
6.6
6.6
0
0
0
0
6.6
6.6
6.6
10k
R103
TK11128CSCL-G
IC110
220k
R104
100
R101
100
R102
1k
R138
7
V_BUS
4
WM_RXD
GND
5
GND
6
L_OUT
3
COM
2
R_OUT
1
F_GND
9
WM_TXD
8
R130
10k
R124
4.7k
C255
0.1
CN100
9P
C254
0.1
C253
0.1
C252
0.1
C251
TH100
0.1
C100
0.1
C101
0.01
C121
10p
C115
10
C113
10
R131
10k
R125
4.7k
R128
10k
C119
10 16V
C130
10 16V
C123
10p
R127
10k
R133
10k
R134
100
R148
100
R155
100
R154
4.7k
R178
100k
R160 100
R157
100
R151
1k
R156
22
R163
16k
R165
2.2k
L104
22uH
R149
100
FB117
C118
10 16V
R126
10k
C117
10 16V
C120
10 16V
R129
10k
C122
10p
C116
10
R115
47k
C104
100p
R116
47k
C105
100p
C114
10
C234
0.1
C103
0.1
C134
47p
C133
47p
C102
0.1
220k
R105
C235
10
5
4
VOUT
VIN
1
2
ON/OFF
GND
3
NP
5
4
VOUT
VIN
16
RESET
15
DVDD
14
VR_ANA
13
PLL_FLTP
12
PLL_FLTM
11
AVSS
10
AVDD
9
PVCC_A
8
PVCC_A
7
PGND_A
6
PGND_A
5
OUT_A
4
OUT_A
3
PGND_B
2
PGND_B
1
OUT_B
1
2
ON/OFF
GND
3
NP
33
DVDD
34
MCLK
35
BKND_ERR
36
VALID
37
HPL_PWM
38
HPR_PWM
39
SUB_PWM-
40
SUB_PWM+
41
PVCC_D
42
PVCC_D
43
PGND_D
44
PGND_D
45
OUT_D
46
OUT_D
47
PGND_C
48
PGND_C
5
4
VCC
1
2
3
GND
6
4
B1
RXD
VCCB
5
#OE
1
2
VCCA
GND
3
A1
4
2
V-
3
5
6
7
1
8
V+
+2.8V
REGULATOR
IC110
TC7SZ125FU
IC112
BUFFER
IC112
NJM4580V
IC100
LINE
AMP
IC100
NJM2521V
IC103
INPUT SELECT
IC103
TC7SP3125TU
IC111
BUFFER
IC111
TAS5706PAPR
IC109
DIGITAL POWER AMP
IC109
C129
10 16V
C147
10 16V
C148
10 16V
R132
10k
R135
100
1k
R139
FB104
J100
0
FB105
0
FB106
0
R110
1k
R111
1k
R122
100
R123
100
C110
10 16V
C111
10 16V
4
2
GND
OUT
VCC
IN3
3
5
6
7
1
8
SW2
IN2
SW1
IN1
C124
10p
C126
10p
C125
10p
C143
10
1k
R137
C132
47p
C136
47p
C153
100p
C154
100p
C161
0.1
C150
0.1
C155
0.01
C156
0.1
C157
10
C158
10
C165
0.1
C166
10
C167
10
C162
10
C171
10
C172
0.1
C170
10
C174
10
C176
0.1
C185
0.01
C187
0.1
C189
470
16V
C177
0.1
C179
10
C183
0.1
C216
1
L111
33uH
L112
FB120
FB119
33uH
C180
0.047
R168
470
C159
10
C160
0.1
NJM2521V
IC102
PCM1808PWR
IC108
TC7SHU04FU
IC107
INPUT SELECT
IC102
A/D
CONVERTER
IC108
CLOCK BUFFER
IC107
+5V
REGULATOR
IC106
R159 100
R158 100
R161 100
R166
SCL
VALID
10k
C173
0.1
C175
10
R164
10k
SDA
MUTE
PDN
RESET
1k
R136
4
2
GND
OUT
VCC
IN3
3
5
6
7
1
8
SW2
IN2
SW1
IN1
2
V
3
4
1
5
G
NC
14
12
VDD
VCC
AGND
VREF
13
1
2
3
11
4
VINR
VINL
FMT
MD1
9
SCK1
LRCK
DGND
10
5
6
8
7
MD0
BCK
DOUT
32
30
PVCC_C
PVCC_C
OUT_C
OUT_C
31
49
50
51
29
52
TEST2
STEST
HPSEL
SCL
27
BST_D
VCLAMP_CD
BST_C
28
53
54
26
55
BST_A
AVCC
AGND
BYPASS 56
57
58
59
PVCC_B
BST_B
VCLAMP_AB 60
61
62
OUT_B
PVCC_B 63
64
SDA
VR_DIG
DVSS
25
23
24
22
SDIN1
SDIN2
SCLK
LRCK
20
21
19
MUTE
DVSS
OSC_RES
18
17
VREG_EN
PDN
C142
10
C152
33p
C151
33p
C178
4700p
C182
4700p
C227
0.01
C223
0.01
C224
0.01
C228
0.01
C190
1
C202
0.033
C217
1
C231
1000p
C232
1000p
C205
0.033
C206
0.033
C204
0.033
C191
1
C192
1
C163
0.1
R153
0
R179
4.7
R180
4.7
R187
100k
R188
100k
R183
100k
R184
100k
R190
100k
R191
100k
R167
0
C181
0.047
R169
470
R150
1k
R152
X100
12.288MHz
100k
C169
0.1
C164
10
R162
10k
C168
0.01
C188
470
16V
C186
0.1
C184
0.01
TK11150CSCL-G
IC106
FB118
C218
1
L113
33uH
L114
FB122
FB121
33uH
C225
0.01
C221
0.01
C222
0.01
C226
0.01
C219
1
C229
1000p
C230
1000p
R181
4.7
R182
4.7
R185
100k
R186
100k
Q102-105
OVER LOAD DETECT
C199
470
16V
C196
0.1
C193
0.01
C200
470
16V
C198
0.1
C220
10
Q102
ISA1235AC1TP-1EF
Q103
ISA1235AC1TP-1EF
C195
0.01
C203
470
16V
C197
0.1
C194
0.01
R189
100k
C233
10
Q104
ISA1235AC1TP-1EF
Q105
ISA1235AC1TP-1EF
D1
D2
C2
C1
C3
A1
A2
A3
A4
B1
B2
(1/2)
MAIN BOARD
TXD
PWR CTL
LINE IN
2
+Rch
-Rch
-Lch
+Lch
1
4
3
L-CH
SPEAKER
BOX
ASSY
R-CH
J
4
B
16
6
9
11
D
15
H
10
17
3
5
12
C
F
18
1
19
E
8
G
14
A
2
13
I
7
CN101
4P
(Page 13)
(Page 11)
(Page 11)
(Page 11)
(Page 11)
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