Yamaha RX-V483/HTR-4071 Service Manual page 84

A B
RX-V483/HTR-4071
1
HDMI IN 1
HDCP2.2
HDMI IN 2
HDCP2.2
HDMI IN 3
HDCP2.2
HDMI IN 4
HDCP2.2
2
Wireless Antenna Wi-Fi 11b/g/n, Bluetooth 2.1+EDR
Ethernet
Front USB
+5USB
[ USB_VBUS_PON ]
3
MAIN
AUDIO1 (Optical)
+3.3DSP
[ DSP_PON ]
(Coaxial)
AUDIO2
(Composite)
AV1
(Coaxial)
(Composite)
AV2
4
(Analog)
(Composite)
AV3
(Analog)
(Analog)
AUDIO3
AUX (Analog)
Portable
3.3T [ PRY ]
(Analog)
5 AM/FM
IC TUNER TUN_SCL/SDA
(TU-04) TUN_N_RST
TUN_N_INT
(Analog)
YPAO MIC In
MIC_N_DET
+3.3FLD [ FLD_PON ]
+VP, F1, F2 [ FLP_PON ]
FL Display
FLD_N_RST
FLD_N_CS
FLD_MOSI/FLD_SCK
6
IR Remote Sensor +3.3M [ AC ON ]
REM_IN
Rotary Encoder
VOL_RA
(Volume) VOL_RB
Front Panel Button KY_AD1
KY_AD2
PSW_DET
Standby LED
STBY_LED
OPERATION
・See page 109–110 →
SCHEMATIC DIAGRAM
7
84
C D
VIDEO/AUDIO Section Block Diagram
IC1
IN1
HDMI Rx/Tx
MN864788A
IN2
114/116
IN3 115 HDMI_N_RST
68 HDMI_N_INT
13
IN4 HAU_N_INT
128 HDMI_SPI_N_CS
124/125/127 HDMI_SPI_SCK/MOSI/MISO
CB952
Board Connector
IC953
To
+3.3H [ HDMI_PON ]
Apple Coprocessor
Network Module
+3.3VMMC
45 +1.1H [ HDMI_PON ]
[ NCPU_PON ]
AP_SCL/SDA
118 119
Network
XL1
40 NCPU_PHOLD
Module
38 NCPU_ADT_MUTE 27.0 MHz
NW-01
28/30 NCPU_MOSI/NCPU_MISO
12/14/16 NCPU_SPI_SCK/MOSI/MISO
42 NCPU_VBUSDRV
ADT_I2S
NCPU_I2S
This block is composed of
+5NET
NCPU_SDX1~3 IC4, 6 (74VHC157FT)
[ NCPU_PON ]
IC7 (TC7WH157FK)
HDMI_EARC_SPDIF EARC_SPDIF
OPERATION
IC501
Analog Video (Composite)
Amp & Selector
NJM41050
2 VSEL1
+5VID
4 VSEL2
[ VID_PON ]
6 MUTE +3.3H [ HDMI_PON ]
ARC_I2S_SEL AUP_I2S
IC952
I2S_BUF_N_SEL
Buffer &
[ = DSP1_N_RST ]
Switch
I2S_BUF_N_SEL
+3.3VMMC
[ = DSP1_N_RST ] HDMI_EARC_I2S EARC_I2S
[ NCPU_PON ]
IC44
IC43
FLASH
SDRAM
ROM
XL61
64Mb
8Mb
24.576 MHz
39
40
+3.3DSP [ DSP_PON ]
IC61
DIR & ADC
IC41
PCM9211PTR
AUDIO DSP
D81YK113DZKB5
+3.3DSP [ DSP_PON ]
DIR_I2S
34 DIR1_N_RST First DSP
+5A [ PRY ]
2 DIR1_N_INT
+3.3DSP [ DSP_PON ]
26 DIR1_N_CS
+1.2DSP1 [ DSP_PON ]
IC203
Selector & E-Vol
G3
DSP1_N_RST
BD3473KS2
P4 DSP1_N_CS
10 VOL_SCK T7 DSP1_N_INT
7A [ PRY ]
11 VOL_MOSI R4 DSP1_N_SPIRDY
P7 MT_DA
A3 F1
MAIN
XL41
20 MHz
DSP_SCK/MISO/MOSI
IC23
IC22
EEPROM 256kb
Microprocessor
<Serial>
M95256-RDW6TP
TMPM462F15FG
<Interrupt> SC0 Debug/Flash wtite
+3.3M [ AC ON ]
NMI SC1 Network CPU UART
14
FLD_N_RST /INT0 ROM: 1536kB SC4 FL
15
FLP_PON /INT1 SC6 EEPROM
16 RAM: 192kB
HDMI_N_INT /INT2 SC7 DSP/DIR/Audio PLD
65
REM_IN1 /INT8 SC8 Network CPU SPI
70
+3.3M [ AC ON ]
PSW_N_DET /INT9 I2C2 Tuner
73
ACPWER_DET /INTA I2C4 HDMI/eARC
109
ARC_MT /INTE CEC HDMI_CEC
110
ARC_N_INT /INTF
<AD Port>
91
AIN0 KY_AD1
92
<Timer> AIN1 KY_AD2
37
AMP_LMT TimerBFout AIN2 KY_AD3
94
AIN3 THM1
95
AIN4 THM2
96
IC21
121 AIN5 PS1_PRT
97
FLASH ROM
119 OSDFS_SCK AIN6 PS2_PRT
98
32Mb OSDFS_MOSI AIN7 PS3_PRT
120
99
OSDFS_MISO AIN8 DC_PRT
118
+3.3H [ HDMI_PON ] 100
OSDFS_N_CS AIN9 AMP_OLV
101
AIN10 USB_VBUS_PRT
102
AIN11 TEST1
33 103
XL21 AIN12 MODE
104
AIN13 TEST2
12.0MHz
35
E F G
HDMI_CEC
HDMI_SCL/HDMI_SDA
eARC_p/eARC_n
22/21
IC2
ARC/eARC
23
ARC_N_INT
SII9437CNUC
24
ARC_N_RST
18
ARC_MT
+3.3H [ HDMI_PON ]
+1.2EARC [ HDMI_PON ]
+3.3A [ PRY ]
+3.3DAC [ DAC_PON ]
DA_FL IC203
IC62 63
Selector &
DA_SD_F FL/FR DAC
14
DA_FR E-Vol
64
BD3473KS2
DA_C
IC63
67
7A [ PRY ]
C/SW DAC
14
DA_SW
66
DA_SL
IC64 65
SL/SR DAC
14 DA_SR
64
50
IC66 DIST_L
Distribution DAC
14 DIST_R 49
11 10
VOL_SCK
VOL_MOSI
・See page 111–113 →
MAIN
SCHEMATIC DIAGRAM
・See page 103–108 →
DIGITAL
SCHEMATIC DIAGRAM
H I
+5HT [ HDMI_PON ]
HP_N_DET
Speaker Relay
RY221
HPRY
RY223
VOFL FL FL
7 MUTE
VOFR
8 RY223
FR FR
MUTE
VOC
3
VOSL
RY224
5
C C
MUTE
VOSR
6 SPRY_3CH
MT_3CH
RY225
SL
SL
MUTE
RY225
VOSW SR SR
4 MUTE
SPRY_SUR
MT_SUR
IC202
SW PREOUT
MUTE
MT_SW
12A [ PRY ] TRANS_RY Amp block
AMP_LMT Heat sink
Main Power Supply
I_PRT
RY541
DC_PRT Main Power
THM1
Supply
THM2
(Main
Trans)
AMP_OLV PRY
FI541
AC-DC
CPU_N_RST LINE
Power Supply
ACPWR_DET
FILTER
J
HDMI Out
Monitor Out
HEAD PHONE
FRONT L
FRONT R
CENER
SURROUND L
/BI AMP L/ZONE B L
SURROUND R
/BI AMP R/ZONE B R
SUBWOOFER
PRE OUT
AC In
OPERATION
・See page 109–110 →
SCHEMATIC DIAGRAM