Sony SA-NS300 Service Manual ▷ View online
SA-NS300
SA-NS300
13
13
4-3. SCHEMATIC DIAGRAM – MAIN Section (1/2) –
• See page 17 for IC Block Diagrams.
B
E
13
1
3
12
F
I
9
11
D
A
7
2
G
C
6
4
14
H
8
5
10
1
(2/2)
MAIN BOARD
(2/2)
BOARD
MAIN
2
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
2.8
3
2.5
2.5
0.2
0.2
5.2
4.8
5.2
1.8
4.8
0.2
2.5
2.5
2.5
2.4
2.5
2.4
4.9
2.5
4.9
2.5
2.5
2.5
2.5
2.5
2.5
4.9
2.5
2.4
2.5
2.5
2.4
2.5
4.9
1.7
2.5
1.7
2.4
1.6
1.6
5.2
0
5.2
3
0
0
2.3
2.3
1.6
1.7
2.4
1.6
1.7
3.3
4.9
3.3
5.2
5.2
0.8
5.2
4.9
3
2.9
8.5
3.5
3.5
1.6
5.2
7.1
1.6
5.2
1.2
5.2
0.8
4.9
2.9
MAIN BOARD (1/2)
IC17
IC20
IC13
IC14
IC11
IC12
IC15
IC16
IC19
IC18
10V
100
C37
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PCM1754DBQR
IC11
D/A CONVERTER
BCK
DA
TA
LRCK
DGND
NC
VCC
LOUT
ROUT
AGND
VCOM
ZEROA
TEST
DEMP
MUTE
FMT
SCK
47
R28
10
R27
47
R29
47
R30
10V
100
C36
J10
8
7
6
5
4
3
2
1
NJM8202V-TE2
IC14
LPF
GND
VCC
FB13
FB12
0.1
C74
0.1
C72
C59
1
100k
R69
0.022
C66
0.1
C60
PST3645NR
IC18
+5.2V DETECT
OUT
VDD
GND
NC
CD
100uH
L11
10V
220
C38
10k
R50
10k
R47
220p
C45
10k
R49
8
7
6
5
4
3
2
1
NJM4580V(TE2)
IC17
INVERTER/FILTER
GND
VCC
18k
R61
22k
R68
10k
R71
10k
R72
10k
R52
10k
R48
10k
R51
0.1
C48
0.1
C61
C84
1000p
C83
1000p
C10
1000p
C11
1000p
220p
C46
10V
100
C30
0.1
C29
16V
10
C33
16V
10
C32
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC12
PCM1808PWR
A/D CONVERTER
VREF
AGND
AV
C
C
DVDD
DGND
SCKI
LRCK
BCK
DOUT
MOD0
MOD1
FMT
VINL
VINR
47
R25
0.1
C34
47
R24
0.1
C31
47
R32
47
R34
47
R35
10
R33
CL50
CL51
10uH
L10
100p
C58
0.1
C73
100k
R82
0.1
C77
IC19
MUTE
1
2
3 GND
45
1
2
3
45
VCC
TPS54325PWPR
IC15
D+3.3V REG
1
VO
2
VFB
3
VREG5
4
SS
5
GND
6
PG(OD)
7
EN
8
PGND1
9
PGND2
10
SW1
11
SW2
12
VBST
13
VIN
14
VCC
15
POWER
PAD
PAD
0.01
C51
0.1
C55
10
C49
1
C54
0.5%
10k
R79
0.5%
33k
R75
0.01
C52
1
C56
0.5%
10k
R80
0.1
C53
0.5%
4.7k
R77
10
C50
0.5%
47k
R78
22
C70
0.1
C65
0.1
C63
R63
22k
0.01
C47
1000p
C44
TPS54325PWPR
IC16
D+1.2V REG
1
VO
2
VFB
3
VREG5
4
SS
5
GND
6
PG(OD)
7
EN
8
PGND1
9
PGND2
10
SW1
11
SW2
12
VBST
13
VIN
14
VCC
15
POWER
PAD
PAD
CL85
CL84
CL83
CL68
CL71
R53
0
R15
33k
0.01
C64
47
C69
0.1
C71
1
2
2P
CN15
SPOUT–
SPOUT+
CL88
E
ET10
FB2
0.1
C15
FB1
CL13
CL14
CL43
CL44
CL47
10
C16
10
C17
1k
R95
1k
R96
47k
R97
47k
R98
R99
0
R100
0
10V
220
C39
8
7
6
5
4
3
2
1
NJM8202V-TE2
IC13
MIX
GND
VCC
0.1
C92
4V
100
C90
CL42
0.1
C97
0.1
C91
10k
R38
MC2840-T112-1
D16
39k
R105
39k
R106
5.6k
R107
47k
R108
0.022
C95
4700p
C96
2.2k
R62
0.1
C93
4.7uH
L12
L13
6.8uH
ET13GND
100uH
L17
10V
220
C103
10V
220
C104
R111
0
C1
10
0.1
C109
1
E
ET13
3.3
R119
RSX101V
A-30TR
D25
1
C79
680p
C116
FB15
22
C80
FB14
0.047
C68
RSX101V
A-30TR
D26
0.047
C67
3.3
R120
1
C1
11
0.01
C1
13
C101
1000p
C100
1000p
15k
R116
6.8k
R1
17
YDA153-PZE2
IC20
POWER AMP
IN+
C4
AGND
A4
IN-
B4
VREF
A3
/PD
C3
PL
T
A2
OUT-
A1
PGND
B1
OUT+
C1
VDD
C2
/PROT
B3
AR
B2
22p
C112
22p
C81
22p
C82
CL87
22p
C115
22p
C114
R31
0
1000p
C42
1000p
C43
100p
C1
17
100p
C1
18
0.1
C94
16V
10
C35
15k
R115
100p
C76
0.1
C1
19
0.1
C132
0.1
C133
BUS1
1
2
3
4
5
6
7
8
ADA_MCK
ADA_MCK
ADA_BCK
DA_DA
TA
ADA_LRCK
ADA_LRCK
ADA_BCK
AD_DA
TA
–
+
–
+
+
–
–
+
+
–
–
+
Open
Drain
+
SP1
–
SPEAKER
(CHASSIS)
(CHASSIS)
AUDIO IN
TC7SET08FU
(Page 14)
(Page 14)
SA-NS300
SA-NS300
14
14
4-4. SCHEMATIC DIAGRAM – MAIN Section (2/2) –
11
D
A
7
2
G
C
6
4
10
14
H
13
1
9
8
5
15
B
E
3
12
F
I
MAIN BOARD
1
(1/2)
CN200
FRONT-PANEL
A
BOARD
(1/2)
MAIN
2
BOARD
B
BACK-PANEL
CN300
BOARD
0
0
5.2
0.1
0
0.7
0.7
0.1
0.7
0.1
3
0.1
3.1
0.1
5.2
0.7
0.1
0
0.7
5.2
MAIN BOARD (2/2)
VDR10
RSX301L-30USTE25
D10
0.1
C22
75
R10
75
R11
CL17
CL18
CL18
CN14 120P
1G
N
D
2G
N
D
33
V3
43
V3
53
V3
63
V3
7G
N
D
8G
N
D
91
V2
10
1V2
11
1V
2
13
GND
14
GND
15
1V9
16
1V9
17
GND
18
GND
19
GND
20
3V3 R
TC
50
SSMCLK/LED_DIMMER
51
GND
52
SSMC/LED_ST
ANDBY
53
USBVBUS
54
GND
55
GND
56
USB D-
57
AOUT
R-
58
USB D+
59
AOUT
R+
60
USBVBUSDR
V
61
GND
62
GND
63
PDOUT1
64
AOUT
L+
65
VCO1
66
AOUT
L-
67
PDOUT0
68
GND
69
VCO0
21
TMS(JT
AG)
70
A23/F
ACT_INI
22
GND
71
AC3CLK
23
TCK(JT
AG)
24
GND
25
TDI(JT
AG)
73
AV0CTRL0
26
SPI_OUT
74
AV3CTRL1/LED_POWER
27
TDO(JT
AG)
75
AV
1D
ATA
3
28
SPI_DIN
76
AV3CTRL0/LED_PLA
Y
29
SPI_NCS0
77
AV
1D
ATA
2
30
SPI_CLK
78
AV0CTRL2
31
SPI_NCS1
79
AV
1D
ATA
1
32
TXD0
80
AV0CTRL1
33
NRESET_MOD
81
AV
1D
ATA
0
34
RXD0
82
AV0CLK
35
SSMD6/KEY_AUDIOIN
83
GND
36
RXD1(UAR
T)
84
AV
0D
ATA
3
37
SSMD4/LED_AUDIOIN
85
AV2CTR1/ADA_MCK
38
TXD1/UAR
T
86
AV
0D
ATA
2
39
SSMD2/KEY_WPS
87
GND
40
GND
88
AV
0D
ATA
1
41
SSMD1/LED_LINK(R)
89
AV2CLK/ADA_BCK
42
SSMD7/KEY_P
AR
TY
90
AV
0D
ATA
0
43
SSMCMD/LED_LINK(G)
91
GND
44
SSMD5/LED_P
AR
TY(R)
92
GND
45
SSMWP/KEY_VOL+
93
AV
4D
ATA
1
46
SSMD3/LED_P
AR
TY(G)
94
AV2CTR/ADA_LRCK
47
NCS3/KEY_VOL-
95
AV
4D
ATA
0
48
SSMD0/SIRCS
96
AV
2D
ATA
3
49
NCS2/WiFi-REG_CONT
97
GND
98
AV
2D
ATA
2
99
ETH_LED_ACT
100
AV
2D
ATA
1
101
ETH_LED_SPEED
102
AV
2D
ATA
0
103
MIICRS
104
GND
105
MIICOL
106
ETH RX-
107
MIITXER
108
ETH RX+
109
MIITXCLK
11
0
ETH CT
111
MIITXD0
11
2
ETH TX-
11
3
MIITXD1
11
4
ETH TX+
11
5
MIIRXD0
11
6
GND
11
7
MIIRXD1
11
8
NW
AIT(xECO-ST
ANBY)
11
9
GND
120
NPD_RF
12
1V2
72
A22/AMP_MUTE
CL69
CL65
CL63
CL60
CL64
CL74
CL72
CL70
CL67
R26
10k
J11
CL62
10k
R14
1
2
3
4
5
6
7
2
3
4
5
6
7
7P
CN12
D3.3V
DGND
KEY_PARTY
LED_PARTY(RED)
LED_PARTY(GREEN)
SIRCS
LED_STANDBY
CL22
CL25
CL26
CL27
CL29
CL30
CL31
CL32
CL33
CL30
CL31
CL32
CL33
CL34
CL35
CL35
R83
2.2k
120
R85
120
R84
120
R86
R87
2.2k
SL-194S-WS-SD-T
D23
SL-194S-WS-SD-T
D24
SL-194S-WS-SD-T
D22
120
R88
120
R89
120
R90
CL73
CL19
CL20
CL-194S-HB8-SD-T
D20
CL-194S-HB8-SD-T
D21
1k
R58
CL41
CL78
CL77
CL21
CL36
CL37
CL38
CL39
CL37
CL38
CL39
CL40
CL15
CL16
R64
2.2k
R65
2.2k
2SC3052EF-T1-LEF
Q12
LED DRIVER
2SC3052EF-T1-LEF
Q1
1
LED DRIVER
R74
10k
R73
10k
RT1N141C-TP-1
Q15
LED CONTROL
R91
100
RT1N141C-TP-1
Q16
LED CONTROL
R92
100
0.1
C87
0.1
C86
E
ET11
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
9P
CN11
D3.3V
DGND
KEY_VOL-
KEY_VOL+
LED_LINK(RED)
KEY_AUDIOIN
LED_LINK(GREEN)
LED_AUDIOIN
KEY_WPS
CL24
CL23
CL28
S11
S10
CL-194S-HB8-SD-T
D19
5P
CN13
1
VCC
2
RXD1
3
TXD1
4
GND
5
NC
2SC3052EF-T1-LEF
Q14
LED DRIVER
2SC3052EF-T1-LEF
Q13
LED DRIVER
0.1
C98
0.1
C102
ET13GND
R57
4.7k
R110
10k
100
R112
100
R113
RB520S-30FJTE61
D13
RB520S-30FJTE61
D94
100
R114
100
R122
1000p
C120
1000p
C121
1000p
C122
1000p
C123
1000p
C124
1000p
C125
1000p
C126
1000p
C127
1000p
C128
1000p
C129
1000p
C130
1000p
C131
R54
1k
R81
1k
3
1
2
4
L19
3
1
2
4
L20
CN10
8P
1
2
3
4
5
6
7
2
3
4
5
6
7
9
10
8
10k
R133
10k
R134
2SC3052EF-T1-LEF
Q103
OVER VOL
TAGE
DETECT
& SWITCH
OVER VOL
TAGE
DETECT
& SWITCH
10k
R135
100k
R136
2SC3052EF-T1-LEF
Q102
DZ2J056M0L
D102
S
Q101
RRR040P03TL
CL56
CL75
CL45
CL46
CL48
BUS1
1
2
3
4
5
6
7
8
2kV
C12
KEY_AUDIOIN
SIRCS
KEY_P
AR
TY
LED_P
AR
TY_R
LED_P
AR
TY_G
SIRCS
DA_DA
TA
AD_DA
TA
ADA_LRCK
ADA_BCK
ETH_RX-
ETH_CT
ETH_RX+
ETH_TX-
ETH_TX+
ADA_MCK
ETH_TX-
KEY_PARTY
LED_PARTY_R
LED_PARTY_G
LED_PARTY_G
LED_STANDBY
LED_AUDIOIN
KEY_WPS
LED_LINK_G
KEY_AUDIOIN
LED_LINK_R
KEY_VOL+
KEY_VOL-
LED_LINK_R
LED_AUDIOIN
LED_LINK_G
KEY_VOL+
KEY_VOL-
KEY_WPS
ETH_CT
ETH_TX+
ETH_RX+
ETH_RX-
LED_ST
ANDBY
-1
-2
(CHASSIS)
DC IN 5.2V
(WRITE-JIG)
ALL RESET
MODULE
(10SA-NS300)
ON
OFF
(POWER)
1000p
CN10
(LAN)
(ILLUMINATION(BLUE))
D19-D21
(ILLUMINATION(WHITE))
D22-D24
OVER VOLTAGE
DETECT & SWITCH
(Page 13)
(Page 16)
(Page 13)
(Page 16)
SA-NS300
SA-NS300
15
15
4-5. PRINTED WIRING BOARDS – PANEL Section –
•
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
A
MAIN BOARD
CN12
B
MAIN BOARD
CN11
IC200
G R
C200
S200
D200
D201
S200
PARTY
D201
(NETWORK STANDBY)
Q200
Q201
Q202
E C B
E C B
E C B
R200
R201
R202
R202
R203
R204
R205
R207
R209
2
1
7
6
CN200
C201
CL200
21
3
CL201
CL202
CL203
CL204
CL205
CL206
CL207
R206
R208
1-881-676-
(11)
11
1-881-677-
(11)
11
1-881-677-
(11)
11
1-881-676-
(11)
11
FRONT-PANEL BOARD (SIDE A)
FRONT-PANEL BOARD (SIDE B)
BACK-PANEL BOARD (SIDE A)
BACK-PANEL BOARD (SIDE B)
2
9
1
8
G
R
R
E C B
E C B
Q301
Q300
E C B
Q302
R300
R301
R302
R303
R304
R305
R306
R307
R308
R309
CN300
C301
S303
S300
S301
S302
D300
D301
D301,S303
AUDIO
IN
PARTY
STREAMING
S300
WPS
WPS
D300
LINK
S301
–
VOLUME
S302
+
CL301
CL302
CL303
CL304
CL305
CL306
CL307
CL308
CL309
(Page 12)
(Page 12)
SA-NS300
SA-NS300
16
16
4-6. SCHEMATIC DIAGRAM – PANEL Section –
D
A
7
2
C
6
4
1
5
B
E
3
F
A
MAIN
BOARD
(2/2)
CN12
B
MAIN
BOARD
(2/2)
CN11
0
3.3
0
1.9
0.1
1.8
1.7
3
3.2
0
1.7
0
3.2
0.1
–
+
FRONT-PANEL BOARD
BACK-PANEL BOARD
IC200
0.01
C201
16V
10
C200
VCC
OUT
GND
PNA4823M03S0
IC200
REMOTE CONTROL
SIGNAL RECEIVER
1
2
3
47
R207
10k
R204
R203
100
68
R202
RT1N141C-TP-1
Q201
LED DRIVER
RT1N141C-TP-1
Q200
LED DRIVER
220
R201
R200
100
G
R
SML-522MU8WT86PQ
D200
RT1N141C-TP-1
Q202
LED DRIVER
SML-D12D8WT86SQ
D201
(NETWORK ST
ANDBY)
68
R205
R206
100
1
2
3
4
5
6
7
7P
CN200
LED_STANDBY
SIRCS
LED_PARTY(GREEN)
LED_PARTY(RED)
KEY_PARTY
DGND
D3.3V
CL201
CL202
CL203
CL204
CL205
CL206
CL207
CL200
10k
R208
47
R209
S200
10k
R308
S302
RT1N141C-TP-1
Q302
LED DRIVER
CL304
RT1N141C-TP-1
Q301
LED DRIVER
CL305
R303
100
S303
68
R304
1000p
C301
G
R
SML-522MU8WT86PQ
D300
CL306
220
R302
1
2
3
4
5
6
7
8
9
9P
CN300
KEY_WPS
LED_AUDIOIN
LED_LINK(GREEN)
KEY_AUDIOIN
LED_LINK(RED)
KEY_VOL+
KEY_VOL-
DGND
D3.3V
10k
R306
10k
R309
CL307
470
R301
CL301
S300
SML-D12M8WT86SM
D301
CL308
RT1N141C-TP-1
Q300
LED DRIVER
CL302
10k
R307
S301
R305
100
CL309
R300
100
CL303
AUDIO IN
LINK
PARTY
PAR
TY
STREAMING
WPS
VOLUME
IN
AUDIO
(Page 14)
(Page 14)
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