AIR-SA50R - Sony Audio Service Manual (repair manual). Page 9

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AIR-SA50R
AIR-SA50R
9
9
4-2.  SCHEMATIC  DIAGRAM - MAIN Section (1/3) -
• See page 17 for Waveforms.   • See page 18 for IC Block Diagrams.
IC B/D
IC B/D
4
5
3
BOARD
CN502
A
IF
BOARD
(3/3)
1
MAIN
BOARD
(2/3)
2
MAIN
3.3
1.6
3.3
3.3
12.2
12.2
6.1
6.1
3.3
3.3
1.8
1.1
0.7
12.2
12.2
3.3
6.1
6.1
6.1
6.1
12.2
12.2
15.9
10.6
1.5
15.9
12.2
12.2
15.9
10.6
15.9
6.1
12.2
6.1
3.3
1.6
1.6
3.3
1
0.2
3.2
0
1.9
3.2
3.3
1.6
3.3
1.6
1.6
1.6
3.3
4.3
2.2
3.3
3.3
1.6
2.1
2.1
3.5
0
0
4.3
2.9
2.9
3.5
0
0
4.3
2.9
2.9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PDN
17
VREG_EN
18
OSC_RES
19
DVSS
20
MUTE
21
LRCLK
22
SCLK
23
SDIN2
24
SDIN1
25
DVSS
26
VR_DIG
27
SDA
28
SCL
29
HPSEL
30
STEST
31
TEST2
32
DVDD
33
MCLK
34
BKND_ERR
35
VA
LI
D
36
HPL_PWM
37
HPR_PWM
38
SUB_PWM-
39
SUB_PWM+
40
PVCC_D
41
PVCC_D
42
PGND_D
43
PGND_D
44
OUT_D
45
OUT_D
46
PGND_C
47
PGND_C
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
L101
1
2
3
4
0.001
C114
100k
R107
0.001
C115
100k
R108
0.001
C214
100k
R207
L201
1
2
3
4
100k
R208
0.001
C215
IC302
1
2
3
4
5
6
7
8
BCK
9
DOUT
10
MD0
11
MD1
12
FMT
13
VINL
14
VINR
12.288MHz
X351
J302
FB351
2SC4154TP-1F
Q101
2SC4154TP-1F
Q201
2SC4154TP-1F
Q102
2SC4154TP-1F
Q202
LINE AMP
BUZZER AMP
1
INT
9
0.01
C110
0.01
C112
0.01
C113
0.01
C111
0.01
C212
0.01
C213
0.01
C211
0.01
C210
0.0047
C314
10k
R302
0.001
C302
0.001
C303
16V
470
C306
16V
470
C320
16V
470
C329
4.7
R205
4P
CN302
1
+Rch
2
-Rch
3
-Lch
4
+Lch
0
R112
0
R113
0
R212
0
R213
FB352
22k
R309
220k
R307
100k
R306
220k
R308
100
R313
100
R314
100
R312
100
R311
10
C316
0.1
C317
100
R334
100
R333
10k
R317
100k
R310
2200
R336
2200
R335
10
C318
0.1
C321
0.01
C322
0.1
C319
0
R315
10
C333
0.1
C304
0.1
C305
0.1
C334
10
C335
100
R358
4.7
R303
100
R356
100
R357
47p
C123
47p
C223
0
R204
0
R104
1
C118
1
C218
470
R304
0.0047
C311
0.047
C312
220p
C102
220p
C202
100k
R102
1k
R103
100k
R101
100k
R202
1k
R203
100k
R201
1
C101
10k
R115
220p
C120
1
C201
220p
C220
10k
R215
10k
R216
10k
R116
10
C351
0.01
C352
10p
C353
10p
C356
22p
C354
22p
C355
TC7SHU04FU(T5RSOJF)
IC351
1
2
3
4
5
100k
R351
1k
R352
0.01
C308
0.1
C307
0.047
C313
470
R305
10
C309
0.1
C310
0.1
C315
0.022
C107
0.01
C106
0.01
C104
0.022
C105
1
C330
1
C325
0.01
C323
0.1
C324
0.01
C327
1
C326
0.1
C328
0.01
C204
0.022
C205
0.01
C331
0.1
C332
0.01
C206
0.022
C207
1
C208
4.7
R206
4.7
R105
1
C108
1
C109
4.7
R106
1
C209
0.0022
C337
PCM1808PWR
IC301
IC302
IC351
AUDIO IN
MAIN BOARD (1/3)
GND
MODULE3.3V
VCC12V
SDOUTA
BCK
LRCLK
RESN
I2C_SCL
I2C_SDA
3.3V
GND
AMP3.3V
AMP_RST
PDOWN
MUTE
SCL
VALID
BUZZER
I2C_SCL
RESN
INT
SDA
I2C_SDA
VCC5V
ADC3.3V
AUIN5V
BUZZ5V
OUT_B
PGND_B
PGND_B
OUT_A
OUT_A
PGND_A
PGND_A
PVCC_A
PVCC_A
AV
D
D
A
VSS
PLL_FL
TM
PLL_FL
TP
VR_ANA
DVDD
RESET
OUT_C
OUT_C
PVCC_C
PVCC_C
BST_C
VCLAMP_CD
BST_D
BYPASS
AGND
AVCC
BST_A
VCLAMP_AB
BST_B
PVCC_B
PVCC_B
OUT_B
V
G
A/D
CONVERTER
IC301
TAS5706PAPR
DIGITAL POWER
AMP
VREF
AGND
VCC
VDD
DGND
SCKI
LRCK
LINE AMP
BUZZER AMP
CLOCK BUFFER
SP201
(R-ch)
SP101
(L-ch)
J
4
B
16
6
9
11
D
15
H
10
K
17
3
5
12
C
F
18
1
E
8
G
14
A
2
13
I
7
W2
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