Read Sony SRS-NWGU50 Service Manual online
SRS-NWGU50
SRS-NWGU50
6
6
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
CN400
(WM-PORT)
DC_IN 20
V_IN
+5V
7
AU-L_OUT 14
AU-COM 15
AU-R_OUT 17
LINE AMP
IC100
BUFFER
IC112
R-CH
R-CH
R-CH
RXD
8
BUFFER
IC111
TH100
TXD 10
J100
LINE IN
INPUT SELECT
IC102
IN2
3
IN1
1
ASEL0
84
ASEL1
85
WM-PORT_TX
35
WM-PORT_RX
36
WALKMAN_DET
37
OUT 7
SW1 2
SW2 4
SW2 4
A/D CONVERTER
IC108
VINL
13
VINR
14
DOUT 9
BCK 8
LRCK 7
SCKI 6
CLOCK BUFFER
IC107
X100
12.288MHz
DIGITAL POWER AMP
IC109
SDIN1
25
SDIN2
24
SCLK
23
LRCK
22
MCLK
34
OUT_C 49
OUT_C 50
OUT_C 50
OUT_D 45
OUT_D 46
OUT_D 46
OUT_A 4
OUT_A 5
OUT_A 5
OUT_B 1
OUT_B 64
OUT_B 64
SDA
28
SCL
29
MUTE
21
DAMP_SDA 24
DAMP_SCL 22
DAMP_MUTE 21
VALID
36
DAMP_VALID 23
PDN
17
AMP_PDN 19
RESET
16
DAMP_RESET 18
LPF
LPF
LPF
LPF
OVER LOAD
DETECT
Q102, 103
OVER LOAD
DETECT
Q104, 105
DC DETECT
Q101
SYSTEM CONTROLLER
IC300
RESET 12
+5V
REGULATOR
IC106
J101
RESET SIGNAL
GENERATOR
IC302
DC IN 13V
–
+
+13V
A +5V
+2.8V
REGULATOR
IC110
+3.3V
REGULATOR
IC105
+2.8V
+3.3V
SWITCHING
REGULATOR
IC101
+5V
AC_CUT 20
PWR CTL 51
DC_DET 57
15
13
X300
5MHz
Xin
Xout
REMOTE
CONTROL RECEIVER
IC600
SIRCS_IN
4
KEY_VOL+
95
S601
VOL +
KEY_INPUT
97
S501
INPUT
INPUT
KEY_POWER
74
S500
I/
1
I/
1
KEY_VOL-
94
S600
VOL -
D601
BASS
D600
%
LED_LINE
77
D501
LED_POWER
89
LED_POWER
90
LED_POWER
91
LED_POWER
92
D500
LED_LINE
78
LED_LINE
79
LED_LINE
80
LED_MUTING
65
LED_MUTING
66
LED_MUTING
67
LED_MUTING
68
LED_BASS
69
LED_BASS
70
LED_BASS
71
LED_BASS
72
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.
L-CH
SPEAKER
BOX
ASSY
R-CH
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