Block Diagrams - Yamaha R-N500 Service Manual

A B
R-N500

■ BLOCK DIAGRAMS

1
• See page 75–77 →
OPERATION
SCHEMATIC DIAGRAM
OUT
2
LINE3
IN
OUT
LINE2
IN
LINE1
3
CD
NJM2068MD
PHONO
AM/FM TUNER
TUN_SCL/SDA
TUN_N_RST
TUN_N_INT
4
SUBWOOFER
PRE OUT
OPTICAL 1
OPTICAL 2
5
COAXIAL 1
COAXIAL 2
NETWORK
6
DC OUT
(+5V/ 500mA)
IN
REMOTE
OUT
MAIN • See page 78 →
7
SCHEMATIC DIAGRAM
50
C D
IC431
RECL2 / RECR2
Selector and E-Vol.
BD3473KS2
INL1 / INR1
VOLUME
SW461
RECL1 / RECR1
OUTFL
OUTFR
INL2 / INR2
INL4 / INR4
INL12 / INR12
IC432
INL6
EQ AMP
/ INR6
INL10 / INR10
VOL_SCK
IC201
MUTE VOL_MOSI
L+R
LPF
NJM4580E
IC63
NET R/ NET L
NET DAC
PCM5101PWR
SCK / SDO
/ WCK / BCK
RXIN0
37
IC61
RXIN1 35
DIR
RXIN2 33
PCM9211PTR
RXIN3 32
MPIO_B(0-3)
IC955
IC951
Ethernet PHY ceiver
NCPU_SCK / SDO
Network
LAN8700C
/ WCK / BCK
microprocessor
IC956
DM860A
iPod
SCL/SDA
Authentication IC
MFI337S3959
+5V
+5_EXPON
LDC 5V
IC953 IC952 IC954
FLASH ROM SDRAM SDRAM
256Mb 256Mb 256Mb
MX29GL256FL A3V56S30FTP A3V56S30FTP
• See page 71–74 →
DIGITAL
SCHEMATIC DIAGRAM
E F
PURE DIRECT
IC461
NJM2068MD
IC466
SW461
NJM2068MD
VR466, 467
VR469 VR468 TONE CONTROL
I / DC / THERMAL PROTECTION
51 60
IC21
Microprocessor
M16C/65
R5F3651TNFC
ROM: 768kB
RAM: 47kB
3-5
EX_SCK
EX_MOSI
IC22
EX_MISO
EEPROM 32kb
R1EX25032ATA00A
DIRECT-LED
IR LED
Remote Control
STBY-LED
Sensor
Front USB
Front panel
• See page 75–77 →
OPERATION
SCHEMATIC DIAGRAM
G H
• See page 78 →
MAIN
SCHEMATIC DIAGRAM
SPEAKER A
Power Amplifier
MUTE
L
RY201
R
SPEAKER B
RY202
RY203
IMPEDANCE
Power transformer
Power Amplifier
+B
-B
FL -Vp
VOLTAGE
FL FILAMENT
SELECTOR
(R, S models)
PRE AMP
+12V
SELECTOR
+7V
TUNER
+5V
SELECTOR
+7V
PRE AMP
-12V
+5.5V for DIGITAL
AC-DC
Power Supply
(30W)
SECONDARY PRIMARY
I J
A
L CH
B
SPEAKERS
A
R CH
B
PHONES
Power Block
220-
110-
PRY
AC IN