Yamaha R-N500, Service Manual

Page: 51 / 100

Speaker Impedance relay
IC25
+5.5V
+3.3M Microprocessor (IC21)/Standby LED/Remote/key input
+B Power Amplifier
RY204
IC24
D2019 C2044 +3.3S Control circuits around Microprocessor
IC67
C2045
RY204
-B Power Amplifier
Q401
+3.3DSP DSP (IC41), SDRAM (IC42), FLASH ROM (IC43)
DIR (IC61), DAC (IC62)
Q2030
-VP FL Driver
Q606
+3.3N Network Microprocessor (IC951), SDRAM (IC952),
FLASH ROM (IC953)
Apple Coprocessor (IC956), LAN PHY (IC955)
IC441
+5A DAC/ADC
MAIN
Q4351
+5T AM/FM Tuner
IC68
Q4301 IC65
+7A Electronic Volume +1.2N Network Microprocessor (IC951)
Q2023
+12A Ope-amp/Relay
OPE
C2036
D2016
C2037
OPE
IC44
-12A Ope-amp/Relay +5D P.C.B. MAIN Optical In (25mA x 2) Coax In, Buffer
Q2024
-7A Electronic Volume Q605
+5USB
iPod/iPad/USB power supply
Q4302
F1 FL filament
F2 FL filament
RY541 F5402
F5401
RY541
PRY
Q2782
+12V
-12V
+5A
+3.3D
+1.8D
+5D
+3.3DSP
DSP_PON
DSP_PON
+5USB
USB_VBUS_PON
DCDC_PO
DCDC_PO
–
+3.3N
NCPU_PO
+3.3M
+3.3S_PO
+3.3S
+1.2N
NCPU_PO
AC/DC Converter
+7V
-7V
AC IN
Power
Transformer
DIGITAL
• See page 71–74
→
SCHEMATIC DIAGRAM
MAIN
• See page 78
→
SCHEMATIC DIAGRAM
MAIN
• See page 78
→
SCHEMATIC DIAGRAM
• See page 75–77
→
SCHEMATIC DIAGRAM
OPERATION
A B C D E F G H I J
1
2
3
4
5
6
7
R-N500
51
Power Supply Section Block Diagram