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TA-SA300WR
4-1.
BLOCK DIAGRAM
CN101
EZW-RT50
SDIO_Z
28
BCK_Z
29
LRCK_Z
30
256FS
17
WIRELESS
TRANSCEIVER
(EZW-RT50)
I2CSDA
21
2
S-AIR_DATA
I2CCLK
22
64
S-AIR_CLK
INT
18
48
S-AIR_GPIO2
RESET
23
50
S-AIR_RESET
RESERVED
1
46
S-AIR FREQ DET
DETECT
2
47
S-AIR DET
+3.3V
13
+3.3V
+3.3V
14
+3.3V
7
Xout
X100
20MHz
9
Xin
S500
I/1
49
KEY_POWER
S100
51
KEY_PAIRING
SECURE LINK
D580
LINK/STANDBY
21 LED_GREEN
LED DRIVE
Q109, 111
22 LED_RED
TA-SA300WR
SECTION 4
DIAGRAMS
D FLIP-FLOP
IC103
SYSTEM CONTROLLER
IC100
DAMP_SCDT 27
DAMP_SHIFT 25
DAMP_LATCH 31
DAMP_INIT 29
DAMP_OVF 30
DAMP_S_MUTE 32
DRIVE_RST(EN) 28
DRIVE_SD 45
DC_DET 43
32V
+12V
PVDD_SD_EN 42
SHUT DOWN
SWITCH
Q103
P_CONT_PVDD 14
+3.3V_IC103, IC105
+1.8V
B+ SWITCH
+1.8V
REGULATOR
IC106
P_CONT2 12
+3.3V_AMP
P_CONT1 (3.3V) 13
AC_CUT 36
RESET SWITCH
RESET 6
Q102
STREAM PROCESSOR
IC105
31 DATA
OUTL1 11
OUTL2 9
30 BCK
29 LRCK
OUTR1 6
36 XFSIIN
OUTR2 4
CLOCK
14 XFSOOUT
XFSOIN 48
BUFFER
IC107
X101
49.152MHz
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
24 FLAGR
25
FLAGL
19 SOFTMUTE
T902
POWER
MAIN POWER
DETECT
TRANSFORMER
Q104
RECT
D940
+12V
D929
REGULATOR
IC109
D112
POWER
DETECT
Q108
SHUNT
ISOLATOR
REGULATOR
PC902
IC940
POWER VOLTAGE
CONTROL
Q961, 962
POWER ON/OFF
ISOLATOR
CONTROL
PC903
Q960
T901
SUB POWER
E4V
TRANSFORMER
D111
D950
E3.3V
Q110, 112
+3.3V
REGULATOR
IC108
D911
VOLTAGE
SHUNT
ISOLATOR
DETECTOR
REGULATOR
PC901
IC101
IC950
10
10
POWER AMP
IC104
6 PWM_A
OUT_C 31
8
PWM_B
OUT_D
28
16 PWM_C
18
PWM_D
7
/RESET_AB
OUT_A 39
17
/RESET_CD
OUT_B
36
/SD
5
DC DETECT
Q105
POWER CONTROL
IC920
1
D
D930 D931
7 OCP/BD
D925, 926
D924
REGULATOR
B+ SWITCH
4 VCC
Q920
Q901
D928
6 FB
OVER LOAD
5 OLP/SS
PROTECT
Q921, 922
D902
TH920
D901
POWER CONTROL
IC910
7
DRAIN
8
DRAIN
REGULATOR
2
VCC
Q923
4
FB
TB300
+
L.P.F.
R
L.P.F.
_
OVER LOAD
DETECT
SPEAKERS
Q107
+
L.P.F.
L
L.P.F.
_
OVER LOAD
DETECT
Q106
LINE FILTER
(AC IN)
TH900
LF900
F900
RECT
( AEP, UK, AUS)
D900
LF901
(US, CND)
SIGNAL PATH
: AUDIO
Abbreviation
AUS
: Australian model
CND
: Canadian model
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