L+R
MUTE
I / DC / THERMAL PROTECTION
VOL_SCK
VOL_MOSI
46,47
18
20
15
ADCL
ADCR
DIR_MCK / WCK
NET R/ NET L
RXIN0
RXIN1
RXIN2
RXIN3
DAC_/CS
DAC_SCK
DAC_MOSI
NCPU_TXD / RXD
NCPU_SPI_N_CS / SCK / MOSI / MISO
NCPU PHOL
+7V / -7V
NCPU_ADT_MCK / BCK / WCK / SD0
XL21
8MHz
NCPU_ / WCK
/ BCK / SD0
NCPU_DBCK / DSDR / DSDL
NCPU_MCK
WiFi module
NW-01
Front USB
SCL/SDA
NCPU_AUP_MCK / BCK / WCK
/ SDO / SD1 (DBCK / DSDR / DSDL)
Key
VO
LUM
E
INPUT
SELECT
O
R
NE
TW
ORK
E
NCO
DER
EX_SCK
EX_MOSI
STBY- LED
DIRECT- LED
IR LED
NCPU_N_RST, NCPU_N_INT
NCPU_MUTE0,
F
L
D
_
SPI_
N
_
C
S /
SC
K
+5.5V
+3.3VMM
Buffer
DIR_N_PON
MUTE
Power Block
NETWORK module
ANALOG I/O
DIGITAL I/O
CD
LINE1
COAXIAL 2
COAXIAL 1
OPTICAL 1
OPTICAL 2
NETWORK
AM/FM TUNER
PHONO
SUBWOOFER
PRE OUT
LINE3
LINE2
AC IN
IMPEDANCE
+B
-B
-Vp
FL
Power transformer
220-
110-
VOLTAGE
SELECTOR
(R model)
FL FILAMENT
+12V
-12V
PRE AMP
TUNER
PRE AMP
AUDIO
SELECTOR
SELECTOR
POWER RELAY
+5.5V for DIGITAL
AC-DC
Power Supply
(30W)
PRY
SECONDARY
PRIMARY
+7V
+7V
+5V
Power Amplifier
SPEAKERS
L CH
䠇
䠇
A
䠉
B
䠉
R CH
PHONES
䠇
䠇
A
䠉
B
䠉
L
R
SPEAKER A
RY201
RY202
RY203
SPEAKER B
Power Amplifier
LOUDNESS
BALANCE
PURE DIRECT
IC461
NJM2068MD
SW461
SW461
IC466
NJM2068MD
OUTFL
OUTFR
TONE CONTROL
VR469
VR468
VR466, 467
IC432
NJM2068MD
IC71
NJM5532MD-D
INL4 / INR4
INL2 / INR2
INL1 / INR1
INL12 / INR12
INL6
/ INR6
INL10 / INR10
RECL2 / RECR2
RECL1 / RECR1
TUN_SCL/SDA
TUN_N_RST
TUN_N_INT
Remote Control
Sensor
IC201
NJM5532MD-D
OPERATION
• See page 76–78
→
SCHEMATIC DIAGRAM
MAIN
• See page 79
→
SCHEMATIC DIAGRAM
MAIN
• See page 79
→
SCHEMATIC DIAGRAM
OPERATION
• See page 76–78
→
SCHEMATIC DIAGRAM
DIGITAL
• See page 73–75
→
SCHEMATIC DIAGRAM
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
52
R-N602
■
BLOCK DIAGRAMS
Audio Section Block Diagram