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4
4
SA-NW001P
SA-NW001P
2-1. BLOCK DIAGRAM
IC902
SHUNT
REG
IC804
+3.3V REG
IC701
RESET
T901
POWER TRANSFORMER
D907
D903
D901
F901
AC IN
7
4
5
IC805
+1.8V REG
5
4
4
2
FB
VIN
DRAIN
Q801
PROTECT
SWITCH
ERROR
AMP
PC901
+B 3.3V
+B 12V
+B 1.8V
DC OUT
SD
13
IC803
POWER DRIVER
2 PWMBP
11
OUT1
9
OUT2
40
DRIVE_RST (EN)
41
DRIVE_OCP (DIAG)
32
RST (FLASH_U_COM)
31
CLK (FLASH_U_COM)
30
RXD (FLASH_U_COM)
29
TXD (FLASH_U_COM)
7
CNVSS
10
RESET
29 LRCK
30 BCK
36 XFSI_IN
27
INIT
48
DAMP_INT
31 DATA
26
SDOUT
28
OLRCK
27
OSCLK
24
RMCK
48 XFSO_IN
56 DIR_RST
9
RST
55 DIR_ERR
14
NV/RERR
17 PWMAP
4 RESET
29
30
25
26
30
25
26
OUTB
OU TA
Q802, 803
OVER LOAD
DETECT
LPF
LPF
Q701
RESET
IC901
POWER
SWITCHING
CONVERTER
VCC
SP1
SUB WOOFER
25
FLAG_L_OVF
24
OVR_FLAGR
42
OVERFLOW1
23
SCLA
TCH
45
DAMP_LA
TCH1
22
SCSHIFT
100
DAMP_SHIFT
21
SCDT
99
DAMP_SCD
19
SOFTMUTE
18
AC_CUT
49
DAMP_SOFTMUTE
TO WRITER JIG
CN702
X701
5MHz
13 X-IN
11 X-OUT
4
RXP0
IC801
192kHz DIGITAL AUDIO
INTERFACE RECEIVER
IC802
S-MASTER
PROCESSOR
IC806
OSC
IC704
SYSTEM CONTROL
X801
49.152MHZ
S901
: AUDIO
• Signal Path
6
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