Block Diagrams - Yamaha RX-V373 Service Manual

A B
RX-V373/HTR-3065

■ BLOCK DIAGRAMS

1
DIGITAL
–87 →
SCHEMATIC DIAGRAM
HDMI IN 1
HDMI IN 2
HDMI IN 3
2
HDMI IN 4
CEC
(Component)
AV1
(Optical)
(Component)
3
MAIN
AV2
(Optical)
–92 →
SCHEMATIC DIAGRAM
(Composite)
AV3
(Coaxial)
(Composite)
AV4
(Optical)
(Composite)
AV5
4
(Analog)
(Analog)
AUDIO1
(Analog)
AUDIO2
(Composite)
VAUX
(Analog)
5
(Analog)
AM/FM Tuner
I2C0
TUN_N_INT
OPERATION
→
SCHEMATIC DIAGRAM
(Digital)
USB
6
(Analog)
YPAO MIC
MIC_N_DET
FLD_N_RST
FL display
FLD_N_CS
Remote Control Sensor
REM_IN
VOL_RA
VOLUME
VOL_RB
KEY1
Front Panel Keys
KEY2
7
PSW_N_DET
66
C D
HDMI SPDIF
HDMI ARC
IC41
Component
Selector
NJM2586AM
2,4 23
5VSEL1 CPNT_N_PS
5VSEL2
IC42
Composite
Selector
TC74HC4051
9-11
VO_N_MT
5VSEL1
5VSEL2
I2S OUT (Multi CH)
HDMI I2S
5VSEL3
34
DIR_N_RST
IC265
2
DIR_N_INT
SPDIF
DIR
PCM9211PTR
AD
49,50
R2A_SCK
R2A_MOSI
IC21
Selector
and
E-Volume
R2A15220FP
SPDIF
65
I2C6
IC282 IC281
4
APL_N_RST
USB
iPod authentication chip
2
APL_N_CS
SPI7
BU94607ARKV-E2 MFI341S2162
48 49
XL281
16.9344MHz
IC222
Flash 512KB
W25Q80BVSSIG
SPI4
IC221
1,8
E2P_N_CS
EEPROM 32kbit
BR25S320FVT-WE2
E F
SPI
20-27
Port0 IC202
SPI7
28-35
TC7MBL3257CFK
Port1 HDMI
Receiver/Transmitter
39-46
Port2 SiI9573CTUC
152-159
47-54
Port3
I2C2
SPDIF I2S OUT
113 114
XL201
27MHz
Audio Upconversion I2S
14 120 107 121 105 2 49 50
DA_FR 91
IC21
SD0 DA_FL
IC241 130 IC266 90
Selector
131 SD1 DA_SR 95
AUDIO DSP DAC
and
SD2 DA_SL 94
D70YE101BRFP266 134 PCM1681PWPR E-Volume
R2A15220FP
135 SD3 DA_C 92
DA_SW 93
SPI3
REM_IN
PWS_DET
IPD_TYPE
<Interrupt>
<Serial>
NMI
25
HDM_INT /INT0 I2C0 Tuner
24
HDM_MUT /INT1
23
DSP_N_INT /INT2 UART1 E8A
98
USB_MCHNG /INT3
IC225
/INT4 I2C2 HDMI Rx/Tx
/INT5
91
Microproceessor
PSW_N_DET /INT6 SPI3 DSP/DAC/DIR
90
REM_IN /INT7 M16C/65A
SPI4 FL Driver/EEPROM
R5F3651TNFC
<Timer>
32
N_PDET TA1IN Serial5 P8_0,CEC
30
TUN_N_INT TA2IN ROM:768K Byte
26
DIR_N_INT TA4IN I2C USBcontroller
RAM: 31k Byte
USBcontroller,
SPI7
<AD port> iPod authentication chip,
128
NC <PIO> Flash
AN0 Clock : 8MHz
126
P4_0
PS_PRT AN1 J_N_DEST
125
KEY1 AN2
73
124
KEY2 AN3 P3_7 OSDFS_BUS_SEL
123
THM2 AN4
122
THM1 AN5
CEC
121
AMP_0LV AN6
120
DC_PRT AN7
111
DEST AN0_0
110
THM3 AN0_1
18 20
XL221
8MHz
G H
IC201
IC204
SPI Switch
OSD Flash
16Mbit
W25Q16CVSSIG
1
OSDFS_BUS_SEL
U, C, R, K, A, B, G, F, L, S, H, J models
CEC
IC203
SPDIF
ARC
Speaker Relay
RY1
11 4
Mute
20
F_N_MT IC1
16
22 18
Power
Mute
Amplifier
22
STK433-330N-E RY4
15
6
Mute
8
C_N_MT
10
RY3
14
15 6
Mute IC2
Power
S_N_MT
Amplifier
11
4
Mute
STK433-130N-E
3 1
Mute
IC27
SW_N_MT
RY2
AMP block
and
SP_IMP
Heatsink
AMP_LMT
and
SW_N_MT
HPRY
I_PRT Main Power Supply
DC_PRT HP_N_DET
THM1
THM2
THM3
RY151
Main Power
Supply
(Power Transformer)
PWR_RY
Standby
CPU_N_RST
Power Suppy
PDET_N
(Sub-transformer)
I J
HDMI OUT
–92 →
MAIN
SCHEMATIC DIAGRAM
MONITOR OUT
(COMPONENT VIDEO)
MONITOR OUT
(VIDEO)
AV OUT
AUDIO OUT
FRONT L
SPRY_F
FRONT R
CENTER
SPEAKERS
SPRY_C
SURROUND L
SPRY_S
SURROUND R
SUBWOOFER OUT
HEADPHONE
OPERATION
→
SCHEMATIC DIAGRAM
AC IN