Yamaha RX-V385, Service Manual

Page: 80 / 133

IC96
5.5V 3.3V
+3.3M
Microprocessor (IC22)/
LDO EEPROM
RP130K331D-TR STANDBY indicator
Remote
IC93
5.5V 3.3V
+3.3S control circuits around Microprocessor
LDO
RP130K331D-TR
IC92
1.2V
+1.2EARC eARC (IC2)
LDO AVCC12
RP130Q121D-TR-F CVCC12
PVCC
IC85
IC101
5.5V 3.3V 3.3V
+3.3H
HDMI (IC1),
LOAD SW
VDD33
TCK107AF AVDD33
Speaker Impedance relay
1.0A
ARC-circuit (IC5) no use
DC-DC
+5.4–5.5V
TPS54308
eARC-SW (IC4, 6, 7)
+B Power amplifier
Q803
OSD FLASH (IC21)
3.3V
RY226
+3.3DSP
DSP (IC41), 80Y and 81Y
D2146 C2185 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
C2186
RY226
IC98
-B Power amplifier
3.3V
+3.3DAC
1.0A
DAC (IC62-64, 66) 3pcs
LOAD SW
DVDD (3.3V)
TCK107AF
Q5201
+3.3T Tuner
KTC3572
1A
L9506
3.3V
+3.3USB USB
IC91
3.3V
+3.3A DAC (IC62-64, 66) 3 pcs
LDO
AVDD
RP170H331B-T1-F
IC271
KIA7805API
+5A ADC (IC61)
ICCAD (ADC analog)
Q2001
+7A Volume IC83
1.1V +1.1H HDMI (IC1)
VDD11+AVDD11
DC-DC
BD9328FJ
IC523
+12A OPE AMP
KIA7812API
C5219
OPE
D5205
1A
+12RY RELAY
IC90
-12RY RELAY
C5220
OPE
-12A OPE AMP
DC-DC
IC524
KIA7912PI TPS54308
1A
-7A Electronic volume
Q2002
IC87
1.2V
+1.2DSP1 DSP (IC41)
RP132S121B 1.0A
IC84
5.0V
+3.3BT Bluetooth module
LDO
RP130K331D-TR
200mA
IC86
5.0V +5HT HDMI out connector (+5VPower)
LDO 300mA
NJM2830U1-05 150mA
IC82
5.0V
RY541 F5402 +5VID Analog video
LDO
RP130K501D-TR
150mA
F5401
IC441
+5U iPod/USB Power supply
LDO
R1173H001D
100uA
IC401
+3.3FLD FL logic
RY541 LDO
IDD
RP130Q331D
200mA
PRY VP FL driver
IH (PEAK)
Q5401
F1, F2 FL filament
+12V
-12V
+5A
+3.3D
+5HT
+5HT_PO
+3.3H
+1.1H
HDMI_PO
DCDC_PO
+3.3M
+3.3S_PO
+3.3S
AC/DC Converter
+5U
USB_VBUS_PO
HDMI_PO
+3.3DSP
DSP_PON
+3.3A
DAC_PON
+3.3DAC
+1.2EAC
HDMI_PO
+5VID
+3.3FLD
FLD_PON
DC/DC-AC converter
FLP_PON
VID_PON
+1.8D
DSP_PON
+3.3BT
BT_PON
FILTER
+1.2DSP
AC IN
Power transformer
DIGITAL
• See page 97–102
→
SCHEMATIC DIAGRAM
OPERATION
• See page 103, 104
→
SCHEMATIC DIAGRAM
MAIN
• See page 105–107
→
SCHEMATIC DIAGRAM
OPERATION
• See page 103, 104
→
SCHEMATIC DIAGRAM
A B C D E F G H I J
1
2
3
4
5
6
7
80
RX-V385/HTR-3072
Power Supply Section Block Diagram