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A
B
■ BLOCK DIAGRAMS
1
Control signal
Audio signal (I2S / SPDIF)
Audio Distribution signal (I2S)
2
OPTICAL
SPDIF
ZF74040
SPDIF
3
COAXIAL
ETH_RX_M
ETH_RX_P
Ethernet
ETH_TX_M
ETH_TX_P
Network Module
NW-01
4
Wireless LAN
Bluetooth
AP_SCL
DATA+
AP_SDA
DATA -
Apple
USB
IC511
5
DIGITAL
• See page 61-63 →
SCHEMATIC DIAGRAM
Line1
Line2
6
Selector / Vol IC
Line3
Rec (Line4)
Rec Mute
DAB / TUNER
7
C
D
NET SEL
NET_RE
NET_RF
RET_ENT
XL501
24.576MHz
IC508
DIR
PCM9211
DIR_MCK
NCPU_AUP_MCK
DIR_BCK
DIR_SCK
NCPU_AUP_BCK
DIR_WCK
DIR_MOSI
NCPU_AUP_WCK
DIR_SDO
NCPU_AUP_SD0
IC512
NCPU_AUP_SD1
NCPU_AUP_SD2
DAC
DSD1791
NCPU_SPI_SCK
X7947A0
NCPU_SPI_MISO
NCPU_SPI_MOSI
NCPU_ADT_MCKR
NCPU_N_CS
NCPU_N_INT
NCPU_ADT_BCKR
NCPU_N_RST
NCPU_ADT_WCKR
NCPU_ADT_SDR0
NCPU_MUTE0
FET
VOL_SCK
ADL
DAC_L
ADR
DAC_R
VOL_MOSI
DAC_L
DAC_R
AMP_L
AMP_R
IC202
DD3491FS
E
F
Audio Section Block Diagram
VOL
THM
Vol Encoder
Thermistor
Net Sel
VOL_RA
THM_PRT
VOL_RB
PCM/DSD_SEL
DAC_N_CS
DAC_N_RST
DAC_ZERO_DET
IC302
Microprocessor
R5F3651TNFC
NCPU_MUTE1
M16C/65
NCPU_RXD
NCPU_TXD
NCPU_ADT_MUTE
NCPU_PHOLD
NCPU_VBUSDRV
IC301
E2P
E2P_SCK
E2P_MISO
E2P_MOSI
E2P_N_CS
IC303
RESET
CPU_N_RST
MAIN_N_MUTE
TUN_SDA
REC_N_MUTE
TUN_SCL
TUN_TUNED
TUN_N_RST
POWER AMPLIFIE R
MUTE
TUN_SDA
MAIN
TUN_SCL
TUN_TUNED
• See page 64-66 →
SCHEMATIC DIAGRAM
G
H
THM2
Thermistor
THM2_PRT
FL_SCK
FL_MOSI
FL
FL_N_CS
FL_N_RST
FL
FL
REM_IN
REMOTE
BT_LED
FL
WIFI_LED
LED
KEY0
FL
KEY
STBY_LED
LED_OFF
SPAB
Power on SW
SW_SPAB
SP SW
AC_PWR
PRY_IN
MAIN
ACDC
XL301
8MHz
SPRY_A
SPRY_B
SPRY_HP
SPRY_A
RY102
SPRY_B
RY103
SPRY_HP
RY101
I
J
R-N402/R-N402D
A
SPEAKERS
B
HP_R
HP_L
PHONES
HP
47
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