Read Sony SA-NS300 Service Manual online
SA-NS300
SA-NS300
11
11
4-1. BLOCK DIAGRAM
INVERTER/FILTER
IC17
MUTE
IC19
+5.2V DETECT
IC18
VDD
OUT
+5.2V
POWER AMP
IC20
SP1
SPEAKER
+
–
–
MIX
IC13
14
13
VCC
VIN
D+3.3V
D+1.2V
7
EN
D+3.3V REG
IC15
D+1.2V REG
IC16
6
PG
L12
L13
11
10
SW2
1
VO
SW1
14
13
VCC
VIN
7
EN
S11
(POWER)
D13
-1
-2
D94
OFF
t ON
SIRCS
RESET
KEY_PARTY
KEY_VOL–
KEY_VOL+
KEY_WPS
KEY_AUDIOIN
D+3.3V
2 DATA
16
7
LOUT
8
6
2
7
1
ROUT
3
1
BCK
LRCK
SCK
13
14
VINL
VINR
+5.2V
1
ETH_TX+
ETH_TX–
ETH_RX+
ETH_RX–
ETH_CT
2
3
6
4
5
7
8
6
SCKI
LRCK
BCK
A/D CONVERTER
IC12
7
9
DOUT
8
11
10
SW2
1
VO
SW1
48
70
S10
MODULE
(10SA-NS300)
(2/2)
CN14
(3/4)
(3/4)
CN14
(4/4)
CN14
(1/4)
(1/4)
CN14
(2/4)
ALL RESET
36
38
42
2
1
D+3.3V
AMP_MUTE
LED_PLAY
LED_DIMMER
LED_POWER
LED_PARTY_R
LED_PARTY_G
LED_STANDBY
LED_LINK_R
LED_LINK_G
LED_AUDIOIN
3
TXD1
RXD1
TXD1
RXD1
VCC
39
47
45
35
72
76
41
50
74
52
46
44
43
37
1
2
2
D/A CONVERTER
IC11
LPF
IC14
1
1
2
2
7
6
C1
A1
C4
B3
1
2
C3
D200
RED
GREEN
GREEN
RED
D201
(NETWORK STANDBY)
PARTY
STREAMING
D300
LINK
D301
AUDIO IN
J11
!
DC IN 5.2V
J10
AUDIO IN
(LAN)
CN13
(WRITE-JIG)
AUDIO IN
CN10
S200
PARTY
S300
WPS
WPS
S303
S301
OVER VOLTAGE
DETECT & SWITCH
Q101-103
LED
DRIVER
Q200,201
LED
DRIVER
Q202
LED
CONTROL
Q15,16
LED
DRIVER
Q11,13
LED
DRIVER
Q12,14
LED
DRIVER
Q300,301
LED
DRIVER
Q302
D19-21
(ILLUMINATION (BLUE))
D22-24
(ILLUMINATION (WHITE))
1 VCC
3
OUT
REMOTE CONTROL
SIGNAL RECEIVER
IC200
S302
–
+
VOLUME
4
ETH_TX+
ETH_TX–
ETH_RX+
ETH_RX–
ETH_CT
AD_DATA
114
112
108
106
110
98
102 DA_DATA
ADA_BCK
ADA_LRCK
ADA_MCK
ADA_MCK
89
94
85
85
MODULE
(10SA-NS300)
(1/2)
B4
IN+
IN–
PROT
PD
OUT+
OUT–
Signal path
: AUDIO (DIGITAL)
: AUDIO (ANALOG)
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