Power Supply Section Block Diagram - Yamaha RX-V385 Service Manual

A B
RX-V385/HTR-3072
1
2
• See page 105–107 →
MAIN
SCHEMATIC DIAGRAM
3
• See page 103, 104 →
OPERATION
SCHEMATIC DIAGRAM
4
5
RY541
6
AC IN
F5401
AC/DC Converter
7
80
C D

Power Supply Section Block Diagram

Speaker Impedance relay
Power transformer
RY226
D2146 C2185
C2186
RY226
KIA7805API
IC523
+12V
OPE
C5219
D5205 KIA7812API
1A
C5220
OPE
-12V
KIA7912PI
IC524
1A
F5402
RY541
PRY
Q5401
E F
IC96
5.5V 3.3V
+3.3M
LDO
RP130K331D-TR
IC93
5.5V 3.3V
+3.3S
LDO
RP130K331D-TR
+3.3S_PO
IC85
5.5V 3.3V
+3.3D
DCDC_PO
DC-DC
+5.4–5.5V
TPS54308
+B Power amplifier Q803
+3.3DSP
DSP_PON
-B Power amplifier
Q5201
+3.3T Tuner
KTC3572
1A
IC271
+5A
Q2001
+7A Volume IC83
+1.1H
DC-DC
BD9328FJ
HDMI_PO
+12A OPE AMP
+12RY RELAY
IC90
+1.8D
-12RY RELAY
DSP_PON
-12A OPE AMP
DC-DC
TPS54308
-7A Electronic volume
Q2002
IC84
+3.3BT
LDO
RP130K331D-TR
BT_PON
IC86
+5HT
LDO
NJM2830U1-05
+5HT_PO
IC82
+5VID
LDO
VID_PON RP130K501D-TR
150mA
G H
Microprocessor (IC22)/
+3.3M
EEPROM
STANDBY indicator
Remote
+3.3S control circuits around Microprocessor
IC92
1.2V
eARC (IC2)
+1.2EAC +1.2EARC
LDO AVCC12
RP130Q121D-TR-F CVCC12
HDMI_PO PVCC
IC101 3.3V
+3.3H HDMI (IC1),
+3.3H
LOAD SW VDD33
TCK107AF 1.0A AVDD33
HDMI_PO ARC-circuit (IC5) no use
eARC-SW (IC4, 6, 7)
OSD FLASH (IC21)
3.3V
+3.3DSP DSP (IC41), 80Y and 81Y
FET SDRAM (IC43),
RAL035P01 FLASH ROM (IC44)
DIR (IC61)
ICC (PLL Analog)
IDD (Digital)
IDDRX (Coaxial amp)
P.C.B. MAIN Optical In, Coax In, Buffer
IC98
3.3V
+3.3DAC +3.3DAC
DAC (IC62-64, 66) 3pcs
LOAD SW DVDD (3.3V)
1.0A
TCK107AF
DAC_PON
L9506
3.3V
FILTER
+3.3USB USB
IC91
3.3V
+3.3A +3.3A DAC (IC62-64, 66) 3 pcs
LDO
AVDD
RP170H331B-T1-F
+5A ADC (IC61)
ICCAD (ADC analog)
1.1V +1.1H HDMI (IC1)
VDD11+AVDD11
IC87
1.2V
+1.2DSP
+1.2DSP1 DSP (IC41)
RP132S121B 1.0A
5.0V
+3.3BT Bluetooth module
200mA
5.0V +5HT HDMI out connector (+5VPower)
300mA
150mA
5.0V
+5VID Analog video
IC441
+5U iPod/USB Power supply
+5U
LDO
R1173H001D
USB_VBUS_PO
100uA
IC401
+3.3FLD FL logic
+3.3FLD
LDO
IDD
RP130Q331D
FLD_PON
200mA
VP FL driver
DC/DC-AC converter
IH (PEAK)
FLP_PON
F1, F2 FL filament
OPERATION
I J
• See page 97–102 →
DIGITAL
SCHEMATIC DIAGRAM
• See page 103, 104 →
SCHEMATIC DIAGRAM