Read Sony SA-NS300 Service Manual 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)
Click on the first or last page to see other SA-NS300 service manuals if exist.