Block Diagrams; Digital Section Block Diagram - Yamaha RX-V385 Service Manual

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■ BLOCK DIAGRAMS

1
HDMI IN 1
(TMDS)
HDMI IN 2
(TMDS)
2
HDMI IN 3
(TMDS)
HDMI IN 4
(TMDS)
BT_N_RST
UART Bluetooth module
BT_CONNECT
BT TX SPDIF
BT SPDIF
3
+5USB
[ USB_VBUS_PON ]
USB
(front) I2C0 SSP2
14
IC955
XL951
USB
16.9344MHz
BU94502AMUV
15
AUDIO 1
(Optical)
AUDIO 2
(Coaxial)
AV 1 (Composite)
(Coaxial)
4
(Composite)
AV 2
(Analog)
(Composite)
AV 3
(Analog)
4
AM/FM
(Analog)
TUNER I2C2
TUN_N_INT
5
TUN_N_RST
AUX AUDIO
(Analog)
(Analog)
YPAO MIC
MIC_N_DET
FL display FLD_N_RST
FLD_N_CS
SPI2
6
Remote control sensor
REM_IN
VOLUME VOL_RA
VOL_RB
Standby indicator STBY_LED
KEY1
Front panel button
KEY2
PSW_N_DET
OPERATION
7
C D
HDMI_EARC_SPDIF
HDMI_ARC
Buffer
IC501
Analog video amp
and (Composite)
Selector
NJM41050
VSEL1
VSEL2
MUTE
IC43
SDRAM
64Mb
Parallel
XL61
24.576MHz
39
40
IC61
DIR/ADC
DIR_I2S
PCM9211PTR
DIR1_N_RST
DIR1_N_INT
DIR1_N_CS
143
XL41
20MHz
145
EEPROM 256kb
M95256-RDW6TP
U, C, K, A, B, G, F, L, V, P, S, J models
• See page 103, 104 → • See page 97–102 →
DIGITAL
SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM
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DIGITAL Section Block Diagram

IN0
IC1
IN1
HDMI
Receiver/Transmitter
IN2 MN864788A
IN3
I2S OUT/SPDIF I2S IN/DSD OUT
118 119
XL1
27.0MHz
TC7MBL3257CFK
IC44
FLASH ROM
8Mb
SPI
DmixL/R
SL/SR IC62
LFE/- DA_FL
FL/FR DAC
DA_SD_F
PCM5101APWR DA_FR
IC41
IC63
DA_C
C/SW DAC
AUDIO DSP DA_SD_CSW
PCM5101APWR DA_SW
D80YK113DPTP400
IC64
DA_SL
DA_SD_S SL/SR DAC
DA_SR
PCM5101APWR
DSP_N_RST
DSP_N_CS IC66
DA_DISTL
DSP_N_INT
DA_ADT_SD0
BT DIST L/R DAC
DSP_N_RDY
DA_DISTR
DSP_FMT PCM5101APWR
IC23
<Serial>
<Interrupt> SC0
Debug/Flash write
NMI SC1 Network microprocessor UART
14 SC4 FL
FLD_N_RST /INT0 IC22
SC6 EEPROM
15
FLP_PON /INT1 SC7
DSP/DIR/Audio PLD
16 /INT2 SC8 Network microprocessor SPI
HDMI_N_INT
Microprocessor I2C2
65 /INT8 Tuner
REM_IN1 I2C4
70 HDMI/eARC
PSW_N_DET /INT9 CEC
HDMI_CEC
TMPM462F15FG
ACPWER_DET /INTA
108
BT_INT /INTD ROM: 1536kB
109
ARC_MT /INTE
110
ARC_N_INT /INTF
<AD Port>
AIN0 KY_AD1
AIN1
KY_AD2
AIN2
KY_AD3
AIN3 THM1
<Timer>
37 AIN4
THM2
AMP_LMT TimerBFout AIN5 PS1_PRT
AIN6
PS2_PRT
AIN7
IC21 OSDFS_SCK PS3_PRT
AIN8
OSDFS_MOSI DC_PRT
FLASH ROM
AIN9
OSDFS_MISO AMP_OLV
AIN10
32Mb USB_VBUS_PRT
OSDFS_N_CS AIN11
DEST
AIN12 MODE
33 AIN13
MODEL
XL21
12.0MHz
35
G H
HDMI_CEC
HDMI_N_RST HDMI_SCL/HDMI_SDA
HDMI_N_INT
HDMI_MUTE
eARC_p/eARC_n
IC2
ARC/eARC
ARC_N_INT
SiI9437CNUC
ARC_N_RST
ARC_MT
EARC_SPDIF
IC3
AUP DSD SW
EARC_DSD
ARC_I2S_SEL
I2S_BUF_N_SEL
[DSP_N_RST]
EARC_I2S
AUP_I2S
IC203
VOFL FL FL
MUTE
Selector
VOFR
and FR FR
MUTE
E-Vol VOC
BD3473KS2
VOSL C
MUTE C
MT_3CH
VOSR
SL SL
MUTE
SR
MUTE SR
VOSW
MT_SUR
SWPREOUT
MUTE
MT_SW
IC202 Amp block
TRANS_RY
BA4560F Heatsink
AMP_LMT
VOL_SCK
I_PRT
VOL_MOSI DC_PRT
Main power
THM1
supply
THM2
(Main trans)
AMP_OLV
CPU_N_RST AC-DC
ACPWR_DET
Power supply
• See page 103, 104 →
OPERATION
SCHEMATIC DIAGRAM
• See page 105–107 →
MAIN
SCHEMATIC DIAGRAM
I J
RX-V385/HTR-3072
HDMI OUT
MONITOR OUT
Speaker relay HP_N_DET
PHONES
HPRY
FRONT L
FRONT R
CENTER
SPEAKERS
SPRY_3CH
L
SURROUND/
BI-AMP L
R
SPRY_SUR
PREOUT
SUBWOOFER
PRY
FI541
LINE AC IN
FILTER
79