Read Sony TA-SA300WR Service Manual online
TA-SA300WR
TA-SA300WR
10
10
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
X101
49.152MHz
CLOCK
BUFFER
IC107
OVER LOAD
DETECT
Q107
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
OUTL1 11
OUTL2 9
OUTR1 6
OUTR2 4
XFSOIN 48
24 FLAGR
25
25
OUT_D
OUT_C 31
28
OVER LOAD
DETECT
Q106
L.P.F.
L.P.F.
OUT_B
OUT_A 39
36
/SD
5
/RESET_AB
7
/RESET_CD
17
36 XFSIIN
14 XFSOOUT
D FLIP-FLOP
IC103
S500
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
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_S_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
WIRELESS
TRANSCEIVER
EZW-RT50
(EXCEPT CH)
EZW-RT20
(CH)
22 LED_RED
21 LED_GREEN
D580
LINK/STANDBY
LED DRIVE
Q109, 111
S100
SECURE LINK
SHUNT
REGULATOR
IC950
(AC IN)
F900
TH900
D911
RECT
D900
LINE FILTER
LF900
(EXCEPT US,
CND, MX, TW, PX)
LF901
(US, CND, MX,
TW, PX)
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
+3.3V_IC103, IC105
E4V
+1.8V
REGULATOR
IC106
+1.8V
RESET SWITCH
Q102
RESET 6
AC_CUT 36
E3.3V
VOLTAGE
DETECTOR
IC101
P_CONT2 12
+12V
REGULATOR
IC109
+12V
32V
D112
D901
D929 D930 D931
SHUNT
REGULATOR
IC940
RESERVED
1
DETECT
2
S-AIR FREQ DET
46
S-AIR DET
47
POWER
DETECT
Q108
SHUT DOWN
SWITCH
Q103
REGULATOR
Q920
B+ SWITCH
Q901
B+ SWITCH
Q110, 112
SIGNAL PATH
_
_
TB300
+
+
R
SPEAKERS
L
x
Abbreviation
CH : Chinese model
CND : Canadian model
MX : Latin American model
TW :
CND : Canadian model
MX : Latin American model
TW :
Taiwan
model
EZW-RT20
(EXCEPT CH)
(CH)
Ver. 1.4
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