Block Diagrams - Yamaha RX-V381 Service Manual

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RX-V381/HTR-3069

■ BLOCK DIAGRAMS

1
HDMI IN 1
(TMDS)
HDMI IN 2
(TMDS)
HDMI IN 3
(TMDS)
HDMI IN 4 (TMDS)
U, C, A, R, K, B, G, F, L, V, S, J models
2
BT_N_RST
Bluetooth Module
UART9
MB0502LX-Y0510
BT_CONNECT
BT SPDIF BT SPDIF
(Optical)
AUDIO1
AUDIO2
(Coaxial)
3
(Composite)
AV1
(Coaxial)
(Composite)
AV2
(Analog)
(Composite)
AV3
(Analog)
MAIN
4
・See page 96–98 →
SCHEMATIC DIAGRAM
AM/FM
(Analog)
IC TUNER
I2C2
TUN_N_INT
5
AUX (Portable)
(Analog)
Front USB
(Digital)
(Analog)
YPAO MIC In
MIC_N_DET
6
FLD_N_RST
FL DISPLAY
FLD_N_CS
SPI2
IR Remote Sensor
REM_IN
ROTARY Encoder
VOL_RA
VOL_RB
KEY1
Front Panel Key KEY2
PSW_N_DET PSW_N_DET
7
・See page 94–95 →
OPERATION
SCHEMATIC DIAGRAM
72
C D
IC201
IN0
HDMI
IN1
Receiver/Transmitter
IN2
MN864788A
IN3
I2S OUT/SPDIF
118 119 /4
XL201
27.0MHz
DSX321G
TC7MBL3257CFK
HDMI ARC SPDIF
HDMI_I2S/SPDIF /2
AUP_I2S /1
IC242 IC243
FLASH ROM SDRAM
XL261 8Mb 8Mb 64Mb 64Mb
24.576MHz
39 40 SPI Parallel
34
DIR_N_RST
2
IC265
DIR_N_INT
/6 SPDIF
/1 DSD
DIR & ADC
PCM9211PTR
/3 HDMI_I2S
IC241
/1 DIR_I2S
AUDIO DSP
47 48 D80YK113DPTP400
ADL ADR
IC1
Selector
142
and
10
VOL_SCK XL241
E-Volume
11 VOL_MOSI 20MHz
BD3474KS2 DSX321G
144
SPDIF
I2C0 SSP2
IC281 USB
15
XL281
BU94502AMUV
16.9344MHz
ROHM
SK-1120 IC222
14
OSD Flash
16Mbit
T, R, K, B, G, F, L, V, S models
IC224
EEP ROM 32kbit
R1EX25032ASA00I
U, C, A, R, K, B, G, F, L, V, S, J models
IC223
MICROPROCESSOR
RESET
R3116N271A-TR-F
Force RESET
・See page 89–93 →
DIGITAL
PSW_N_DET
SCHEMATIC DIAGRAM
IC225
E F
CEC
115
HDMI_N_RST
68
HDMI_N_INT
12
HOSD_N_INT
13
HAUD_N_INT
SSP1
I2C4
I2S IN/DSD OUT
/1
IC202
AUP DSD SW AUP_SEL
IC501
Composite
Selector
BH76330FVM
MAIN
・See page 96–98 →
VSEL1
VSEL2
SCHEMATIC DIAGRAM
27 D A _ F L D A F L 63
176 SD0 26 D A _ F R D A F R 62
175 SD1 20 D A _ S L D A S L 65
A-Filter
IC266 Selector
174 19 64
SD2 D A _ S R D A S R
AUDIO DAC
E-Volume
173 67
SD3 22 D A _ C D A C
PCM1681PWPR
BD3474KS2
66
21
D A _ S W D A S W
146
DSP_N_RST
8
DSP_N_CS
21
DSP_N_INT
7
DSP_N_RDY
23 2
DSP_FMT DAC_N_CS
SPI7
<Interrupt> <Interrupt> <Serial> <Serial>
SSP0 14
HDMI_N_INT /INT0 UART0 232C Debug Port
15
HOSD_N_INT /INT1 SPI2 FL Display
O S D F S _ N _ C S
16
HAUD_N_INT /INT2 SPI6 EEP ROM
18
DSP_N_INT /INT4 SPI7 DSP/DAC/DIR
19
D R I _ N _ N I T /INT5 UART9 Bluetooth MODULE
20
USB_MCHNG /INT6 I2C0 USB controller I2C
S P 6 I
65
REM_IN /INT8 I2C2 TUNER
70
PSW_N_DET /INT9 I2C4 HDMI I2C
EEP_SPI_N_CS
73
A C P W R _ D E T /INTA SSP0 OSD SPI Flash
56
TUN_N_INT TB9IN0 SSP1 HDMI SPI
IC221
SSP2 USB controller SPI
< A D P r o > t C E C HDMI CEC Control
91
TEST AIN0 MICROPROCESSOR
92
KEY1 AIN1
TMPM462F15FG
93
KEY2 AIN2
95
THM1_PRT AIN4
R / E S E T
96
THM2_PRT A N I 5 < G P O I O U T >
97
PS_PRT AIN6
100
D C _ P R T AIN9
101
AMP_OLV AIN10
102
USB_VBUS_PRT AIN11
49
/RESET /RESET
<GPIO IN>
118
XL221
8.0MHz
CSTCE12M0G55-R0
120
G H
IC203
7 VOFL F L F L
MUTE
8 VOFR 5CH_MT
IC1
F R F R
MUTE
5 VOSL
6
and VOSR
S L S L
MUTE
3
VOC
5CH_MT
4 VOSW S R S R
MUTE
C C
MUTE
10
VOL_SCK 5CH_MT
IC3–5
11
VOL_MOSI
IC6
BA4560F
MUTE
SW_MT
Amp block
TRANS_RY and
AMP_LMT AMP_LMT Heatsink
and
Main Power Supply
I_PRT
DC_PRT Main Power
THM1_PRT
Supply
THM2_PRT
(Main
AMP_OLV
Transfomer)
Standby
Power Supply
ACPWR_DET
(Sub-transformer)
OPERATION
・See page 94–95 →
SCHEMATIC DIAGRAM
I J
(TMDS)
HDMI OUT
ARC
MONITOR OUT
HP_N_DET HP_N_DET
Speaker Relay
PHONES
HP_RY
FRONT L
SPRY_5CH
FRONT R
SPEAKERS
SURROUND L
SPRY_5CH
SURROUND R
CENTER
SPRY_5CH
RY1-4
SUBWOOFER
PRE OUT
RY541
PWR_RY
AC IN