Yamaha R-N500, Service Manual

Page: 50 / 100

Front panel
IC955
Ethernet PHY ceiver
LAN8700C
IC201
NJM4580E
Network
microprocessor
IC951
DM860A
IC953
FLASH ROM
256Mb
MX29GL256FL
IC952
SDRAM
256Mb
A3V56S30FTP
IC954
SDRAM
256Mb
A3V56S30FTP
IC956
iPod
Authentication IC
MFI337S3959
IC61
DIR
PCM9211PTR
CD
IN
OUT
IN
OUT
LINE1
COAXIAL 2
COAXIAL 1
OPTICAL 1
OPTICAL 2
NETWORK
Front USB
AM/FM TUNER
DC OUT
(+5V/ 500mA)
IN
OUT
VOLUME
IC431
Selector and E-Vol.
BD3473KS2
PHONO
SUBWOOFER
PRE OUT
EQ AMP
LOUDNESS
BALANCE
TONE CONTROL
PURE DIRECT
MUTE
LPF
L+R
MUTE
Power Amplifier
IC461
NJM2068MD
VR469 VR468
VR466, 467
SW461
SW461
IC466
NJM2068MD
IC432
NJM2068MD
SPEAKERS
L CH
䋫
䋫
A
䋭
B
䋭
R CH
PHONES
AC IN
䋫
䋫
A
䋭
B
䋭
L
R
SPEAKER A
RY201
RY202
RY203
SPEAKER B
IC63
NET DAC
PCM5101PWR
REMOTE
ANALOG I/O
DIGITAL I/O
SCL/SDA
INL4 / INR4
INL2 / INR2
INL1 / INR1
INL12 / INR12
INL6
/ INR6
INL10 / INR10
RECL2 / RECR2
RECL1 / RECR1
OUTFL
OUTFR
SCK / SDO
/ WCK / BCK
NET R/ NET L
IC21
Microprocessor
M16C/65
R5F3651TNFC
ROM: 768kB
RAM: 47kB
RXIN0
RXIN1
RXIN2
RXIN3
NCPU_SCK / SDO
/ WCK / BCK
MPIO_B(0-3)
INL8 / INR8
A/D
I / DC / THERMAL PROTECTION
Key
MUTE_SW
MUTE_5CH
VOLUME
INPUT SELECTOR
NETWORK ENCODER
Remote Control
Sensor
A/D SERIAL PARALEL
IC22
EEPROM 32kb
R1EX25032ATA00A
EX_SCK
3-5
51 60
EX_MOSI
EX_MISO
STBY-LED
DIRECT-LED
TUN_SCL/SDA
TUN_N_RST
TUN_N_INT
VOL_SCK
VOL_MOSI
IR LED
LDC 5V
+5V
+5_EXPON
IMPEDANCE
+B
-B
-Vp
FL
Power transformer
220-
110-
VOLTAGE
SELECTOR
(R, S models)
FL FILAMENT
+12V
-12V
PRE AMP
TUNER
PRE AMP
SELECTOR
SELECTOR
POWER RELAY
+5.5V for DIGITAL
AC-DC
Power Supply
(30W)
PRY
LINE3
LINE2
Power Block
SECONDARY
PRIMARY
+7V
+7V
+5V
Power Amplifier
37
35
33
32
MAIN
• See page 78
→
SCHEMATIC DIAGRAM
MAIN
• See page 78
→
SCHEMATIC DIAGRAM
DIGITAL
• See page 71–74
→
SCHEMATIC DIAGRAM
OPERATION
• See page 75–77
→
SCHEMATIC DIAGRAM
OPERATION
• See page 75–77
→
SCHEMATIC DIAGRAM
A B C D E F G H I J
1
2
3
4
5
6
7
50
R-N500
■
BLOCK DIAGRAMS