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SA-WCT370
SA-WCT370
19
19
Note: When the IC104 on the SUB MAIN board is replaced, refer to “NOTE OF REPLACING THE
IC104 ON THE SUB MAIN BOARD AND THE COMPLETE SUB MAIN BOARD” on page 4.
4-5. SCHEMATIC DIAGRAM - SUB MAIN Board (2/2) -
• See page 15 for Waveforms. • See page 23 for IC Block Diagrams.
5
2.9
3.3
4.1
1.7
3.3
3.3
0
3.3
1.6
1.6
1.6
1.6
3.3
1.6
3.3
1.6
1.6
1.6
3.3
1.6
3.3
11.9
27.3
32
32
16
16
32
27.3
27.3
27.3
32
11.9
32
32
16
16
0.6
0
15.8
0
3.4
3.3
3.3
1.6
1.6
3.3
1.6
1.6
1.7
1.5
3.3
0
1.6
1.6
3.5
3.2
0.9
11.9
32
32
3.5
3.3
1.6
11.9
1.6
3.5
3.2
3.2
1.1
1.6
1.6
1.6
2.9
11.9
11.9
3.5
0
0
15.9
2.5
3.5
0
15.9
2.9
15.8
3.2
0
1.8
3.3
1.7
3.2
0
3.2
0
0
3.5
3.2
1.6
3.3
1.6
1.6
3.3
3.3
2
4
3
6
C196
0.001
0.01
C166
0.1
C133
0.1
C130
0.1
C126
0.1
C127
0.1
C134
0.1
C137
0.1
C148
0.1
C129
7p
C185
C184
7p
C174
2.2
C140
2.2
C152
2.2
2.2
C165
2.2
C177
0.1
C125
0.01
C122
C05
0.1
1
C158
10
C155
10
C167
1
C179
C120
22p
0.1
C198
C118
0.1
C191
0.001
0.1
C209
0.1
C197
1
C162
C172
2.2
C194
0.1
6.3V
1000
C203
C170
1000
6.3V
50V
47
C195
16V
100
C175
16V
100
C178
16V
C141
100
16V
47
C119
16V
100
C199
CL150
CL151
CL158
CL152
CL155
CL145
CL149
CL148
CL153
CL161
CL162
CL160
CL159
CL147
CL141
CL143
CL156
CL142
CL144
CL157
CL154
CL146
4P
CN109
SW(–)
1
SW(–)
2
3
SW(+)
4
SW(+)
8P
CN114
32V
1
2
32V
32V
3
GND
4
GND
5
GND
6
MAIN-ON
7
E4V
8
CRH02(T5R,SONY
,XM)
D
111
E
ET100
TC7SHU04FU
IC107
1
NC
2
3
GND
4
5
VCC
4
3
1
2
MM3411A18URE
IC106
CE
VSS
VOUT
VIN
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74LCX74FT(EKJ)
IC103
1/CLR
1D
1CLK
1/PRE
1Q
1/Q
GND
2/Q
2Q
2/PRE
2CLK
2D
2/CLR
VCC
44
38
39
40
41
42
43
7
6
5
4
3
2
1
37
36
35
34
33
32
8
9
10
11
28
29
30
31
17
16
15
14
13
12
27
26
25
24
23
22
21
20
19
18
CXD9981TN
IC104
GVDD_B
/DTW
NC
NC
/SD
PWM_A
/RESET_AB
PWM_B
OC_ADJ
GND
AGND
VREG
M3
M2
M1
PWM_C
/RESET_CD
PWM_D
NC
NC
VDD
GVDD_C
GVDD_D
BST_D
NC
PVDD_D
PVDD_D
OUT_D
GND_D
GND_C
OUT_C
PVDD_C
BST_C
BST_B
PVDD_B
OUT_B
GND_B
GND_A
OUT_A
PVDD_A
PVDD_A
NC
BST_A
GVDD_A
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9843AR
IC105
XVSS
VSUBC
VSSR
OUTR2
VDDR
OUTR1
VSSR
VSSL
OUTL2
VDDL
OUTL1
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLA
TCH
FLAGR
FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
1
2
3
4
5
SI-3010KM-TLA
IC109
VCONT
VIN
GND
VOUT
SENSE
JL141
JL152
JL153
JL138
JL136
JL139
JL134
JL157
JL131
JL144
JL145
JL137
JL135
JL143
JL146
JL133
JL132
JL127
10uH
L002
10uH
L001
HN1A01FU
Q106
1
2
3
4
5
6
HN1C01FU
Q104
1
2
3
4
5
6
2SB1690KT146
Q110
LSCR523UBFS8TL
Q105
LTC014EUBFS8TL
Q112
LTC014EUBFS8TL
Q108
100
RB003
R222
100
100
R193
100
R196
100
R198
33k
R186
1.5k
R184
47k
R172
R178
220
R183
220
R176
220
R173
100
10k
R171
22
R217
100
R185
100
R188
100
R191
10k
R232
0
R194
0
R192
22k
R205
R208
0
R202
100k
0
R200
R203
100k
10k
R167
R233
10k
390
R221
R236
470
R235
470
R181
100
10k
R165
R209
0
100k
R199
4.7k
R187
1k
R243
1k
R242
22k
R175
0
R230
1k
R224
10k
R223
100
R177
10k
R225
0
R197
0
R195
150
R206
100k
R190
R216
0
1M
R219
R179
220
SL122
SL100
MM3411A33URE
IC108
CE
1
GND
2
VOUT
3
VDD
4
49.152MHz
X101
FB101
0.68uH
CL177
CL178
CL179
CL180
CL181
0.001
C210
0.001
C211
0.1
C131
0.1
C132
0.1
C189
0.1
C188
0.1
C187
100k
R231
DZ2J056M0L
D112
35V
470
C204
35V
470
C205
35V
470
C207
35V
470
C206
0.1
C186
0.1
C161
0.1
C157
0.1
C135
R234
47k
C136
2.2
LRCK
BCK
DATA
256FS
STREAM PROCESSOR
IC105
2
1
3
5
4
6
7
8
9
PRESCALER
IC103
10
12
13
15
14
16
17
11
+1.8V REGULATOR
IC106
+3.3V REGULATOR
IC108
CLOCK BUFFER
IC107
DIGITAL POWER AMP
IC104
+12V REGULATOR
IC109
(1/2)
SUB MAIN
>001S
BOARD
POWER
>03S
CN901
BOARD
(2/2)
SUB MAIN BOARD
(CHASSIS)
POWER DETECT
Q110, 112
B+ SWITCH
POWER DETECT
DC DETECT
BUFFER
SP1
(SUBWOOFER)
10
11
12
13
14
15
G
16
H
17
I
18
F
1
C
J
D
6
E
K
2
B
3
A
4
5
7
8
9
(Page 21)
(Page 18)
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