Read Sony HT-CT550W / SA-WCT550W Service Manual online
SA-WCT550W
SA-WCT550W
8
8
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
X101
49.152MHz
CLOCK
BUFFER
IC107
OVER LOAD
DETECT
Q106
L.P.F.
L.P.F.
POWER AMP
IC104
DC DETECT
Q105
PWM_B
6 PWM_A
8
PWM_D
16 PWM_C
18
: AUDIO
STREAM PROCESSOR
IC105
31 DATA
30 BCK
29 LRCK
29 LRCK
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
22 SCSHIFT
23 SCLATCH
27 INIT
FLAGL
19 SOFTMUTE
SL+OUTL1 11
SL-OUTL2 9
SR+OUTR1 6
SR-OUTR2 4
XFSOIN 48
24 FLAGR
25
25
OUT_D
OUT_C 31
36
/SD
5
/RESET_AB
7
/RESET_CD
17
36 XFSIIN
14 XFSOOUT
PRESCALER
IC103
S101
I/
1
POWER
DETECT
Q104
D111
P_CONT1 (3.3V) 13
SYSTEM CONTROLLER
IC100
CN101
SDIO_Z
28
I2CSDA
21
I2CCLK
22
INT
18
RESET
23
+3.3V
BCK_Z
29
LRCK_Z
30
+3.3V
14
+3.3V
+3.3V
13
256FS
17
S-AIR_DATA
2
S-AIR_CLK
64
S-AIR_GPIO2
48
S-AIR_RESET
50
DRIVE_RST(EN) 28
DRIVE_SD 45
DAMP_SCDT 27
DAMP_SHIFT 25
DAMP_LATCH 31
DAMP_INIT 29
DAMP_OVF 30
DAMP_SOFT_MUTE 32
DC_DET 43
PVDD_SD_EN 42
P_CONT_PVDD 14
KEY_POWER
49
KEY_PAIRING
51
9
7
X100
20MHz
Xin
Xout
EZW-RT50/EZW-RT20
WIRELESS
TRANSCEIVER
(EZW-RT50)
22 LED_RED
21 LED_GREEN
D900
LINK/STANDBY
INDICATOR
LED DRIVE
Q109, 111
S100
SECURE LINK
SHUNT
REGULATOR
IC950
(AC IN)
F900
TH900
D911
RECT
D900
LINE FILTER
LF900
( AEP, UK)
LF901
(US, CND, TW)
POWER CONTROL
IC910
T901
SUB POWER
TRANSFORMER
DRAIN
8
DRAIN
7
ISOLATOR
PC901
ISOLATOR
PC902
VCC
2
FB
4
1
POWER CONTROL
IC920
D
T902
MAIN POWER
TRANSFORMER
D924
D928
D925, 926
OVER LOAD
PROTECT
Q921, 922
Q921, 922
4 VCC
7 OCP/BD
5 OLP/SS
TH920
RECT
D940
D902
6 FB
REGULATOR
Q923
D950
POWER ON/OFF
CONTROL
Q960
ISOLATOR
PC903
POWER VOLTAGE
CONTROL
Q961, 962
+3.3V
REGULATOR
IC108
+3.3V_AMP
+3.3V_AIR
+1.8V
REGULATOR
IC106
+1.8V
RESET SWITCH
Q102
RESET 6
AC_CUT 36
E3.3V
RESET SIGNAL
GENERATOR
IC101
P_CONT2 12
+12V
REGULATOR
IC109
+12V
32V
D112
D901
D929 D930 D931
SHUNT
REGULATOR
IC940
RESERVED
1
DETECT
2
PD-OUT_Ajroha
19
S-AIR FREQ DET
46
S-AIR DET
47
S-AIR_RF_FB
57
POWER
DETECT
Q108
SHUT DOWN
SWITCH
Q103
REGULATOR
Q920
B+ SWITCH
Q901
B+ SWITCH
Q110, 112
Abbreviation
SIGNAL PATH
: Canadian model
CND
: Taiwan model
TW
SP100
Ver. 1.1
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