Sony SA-WCT290 Servicehandleiding - Pagina 13
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4-1.
BLOCK DIAGRAM - AMP/PANEL/POWER SUPPLY Section -
BLUETOOTH
MODULE
I2S_SDO
I2S_SCLK
I2S_LRCLK
TAS_RESET_N
SDA
SCL
MUTE
TAS_XPDN
TAS_SD
KEY_PAIR
BT_BOOT
AC_CUT
PCONT
LED0
LED1
SA-WCT290/WCT291
X001
STREAM PROCESSOR
12.288MHz
IC8103
OUT
11
MCLK
PWM_P_4
49
PWM_M_4
48
VALID
37
27
SDIN4
23
SCLK
22
LRCLK
16
RESET
20
SDA
21
SCL
19
MUTE
18
PDN
S8200
1
S8201
LINK
LED DRIVE
D8300
Q8101
SECTION 4
DIAGRAMS
DIGITAL POWER AMP
IC8104
5
INPUT_A
OUT_A
39
6
INPUT_B
4
RESET
OUT_A
40
OUT_B
35
16
17
TO AMP
VOLTAGE DETECT
IC8102
POWER SWITCH
4
OUT
VDD
2
Q8102
+3.3V REG.
IC8000
+3.3V
3
SW
VIN
2
+12V REG.
IC8001
+12V
VIN
1
VOUT
6
ON/OFF
3
+3.3V
POWER CONTROL
Q8001
POWER CONTROL
Q8000
13
13
L8102
SUBWOOFER
L8103
SWITCHING REGULATOR
3L411W
(EXCEPT
US, CND,
E12)
SWITCHING REGULATOR
3L411W-1
(E12)
SWITCHING REGULATOR
3L411L
(US,
CND)
+24V
PVDD_24V
(AC IN)
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SUB_24V
SA-WCT290/WCT291