Read Sony SA-WCT660 Service Manual online
SA-WCT660
SA-WCT660
15
15
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 (ANALOG)
: AUDIO (DIGITAL)
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
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
22 LED_RED
21 LED_GREEN
LED DRIVE
Q109, 111
S100
LINK
SHUNT
REGULATOR
IC950
AC1
(AC IN)
F900
TH900
D911
RECT
D900
LINE FILTER
LF900
(AEP, RU, UK,
AUS, CH)
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
+4V
+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
POWER
DETECT
Q108
SHUT DOWN
SWITCH
Q103
REGULATOR
Q920
B+ SWITCH
Q901
B+ SWITCH
Q110, 112
SIGNAL PATH
SP100
D901
I/1
B+ SWITCH
Q113, 114
RF100
RF MODULATOR
(SWA12-4V RX)
DOUT_RX
LED1_TX/BCK0_RX
LED2_TX/WCK0_RX
MCK_OUT_RX
SDA_STX/LED_BLU
SCL_STX/LED_RED
INT
RESETN
: Canadian model
Abbreviation
CND
: Russian model
RU
: Taiwan model
TW
: Australian model
AUS
: Chinese model
CH
Ver. 1.1
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