Yamaha RX-V681 Service Manual page 84

A B
RX-V681/RX-A760
FRONT IN
1
DIGITAL (2)
HDMI PP
DIGITAL (2)
Sil9587-3
IC423
2
HDMI PP
72, 73
HDMI_SCL/SDA
3
35
ADCVBS
AIN1
VIDEO DEC
ADPb 47 AIN4
VIDEO Input
ADV7180
ADPr 48 AIN5
ADY 49
AIN6
21
28.63636MHz
4
Debug/E8a
AVIDEO
5
TUNER
Buffer
FLD
IC93
6
SPDIF
I2S / DSD
Other Digital signal
Analog
Control
• See page 111–117 →
DIGITAL (1)
7
SCHEMATIC DIAGRAM
84
C D
DIGITAL P.C.B. Section Block Diagram
• See page 112 →
SCHEMATIC DIAGRAM
IN5 IN4 IN3 IN2
CEC
HDMI TRX
Sil9589-3
IC2 MN864787
166, 168 IC7
HDMI_SCL/SDA
170
XL1
27MHz
16bit 21bit 8bit
FPGA
8bit
EP4CE15
53, 54
IC50
IC21
DV_SCL/SDA
22
FPGA_N_CS
16bit
XL21
Flash ROM
16bit
64Mbit
IC86
FLASH_N_CS
D-FF
VXC273
16bit
IC79/81
IC83/88
DFF1_N_CS
CEC 16bit
DV_SCL/SDA
133, 132
HDMI_SCL/SDA 135, 134
System CPU
TOSHIBA
TMPM462F15FG
Analog MUX
IC90
EEPROM
IC76
512Kbit
RAM: 193K Byte
IC82
Analog MUX
ROM: 1.5M Byte
IC78
KY_AD2 92
KY_AD1 91
33 35
12MHz CERALOCK
XL75
E F
IN1 OUT1
ARC
63 151
AUP_SDO
HDMI_I2S/DSD/SPDIF
SDRAM
16bit
ARC
256Mbit
Buffer
IC53
IC4
Buffer
LCX245
IC17
NCPU_DSD
NCPU_SD1~SD3
HDMI_I2S SD1~SD3
HDMI_DSD
DSP1
D81YK113DZKB5
IC931
DSP_SPI
AXR1[0]:HDMI_SPDIF/FR
AXR1[1]:DIR_SDO
AXR0[3]:DSP2_SD0
AXR1[2]:HDMI_SD1/FC
AXR0[4]:DSP2_SD1
AXR1[3]:HDMI_SD2/LFE
AXR0[5]:DSP2_SD2
AXR1[4]:HDMI_SD3/RR
F2 AXR0[6]:DSP2_SD3
AXR1[5]:HDMI_W CK/RL
AXR0[7]:DSP2_SD4
AXR1[6]:NCPU_SD1
AXR0[8]:DSP2_SD5
AXR1[7]:NCPU_SD2
F1 AXR1[8]:NCPU_SD3
32bit
SDRAM Serial Flash
128Mbit X2 32Mbit
IC924/925 IC926
G H
Front USB
Ethernet
USB_DP/DM
TX/RX
Apple
Authentication
IC953 I2C
NCPU_SPI
NCPU_UART
NCPU_ADT_SDO
McASP1(RX)
NCPU_SD0~SD3
McASP0(TX)
McASP1(TX)
Buffer
LCX245
IC952
PTY_SDO
5 MUX
NPDA_SEL
TC74VHC157
NCPU_ SD0
IC945
6
NPSEL_N_OE
NCPU_ADT_SDO
7 MUX
TC74VHC157
DSP_ADT_SDO
AUP_SDO
IC946
5
DIR_ADT_SDO
NCPU_SD0
MPIO_B
AUXIN0
HDMI_I2S SD0
MPIO_C
DIR
DIR_SDO
MAIN PCM9211
Output
IC942
DSP_SPI
DSP2_
39 40
SD0~SD5
24.576MHz
XL941
DSP2
DSP_SPI
D81YK113DZKB5
DSP_ADT_SDO
IC932
AXR1[3]:DSP2_SD0
AXR1[4]:DSP2_SD1 AXR0[3]:DSP2_SB
AXR1[5]:DSP2_SD2 AXR0[4]:DSP2_SR
F2 AXR1[6]:DSP2_SD3 AXR0[5]:DSP2_CSW
AXR1[7]:DSP2_SD4 AXR0[6]:DSP2_F
DA_SD_ DAC
AXR1[8]:DSP2_SD5 AXR0[9]:PTY_SDO
F, CSW, SR, SB
AXR0[11]:DSP_ADT_SDO PCM5102A
F1
AUP_SDO
IC482
IC483
32bit
IC484
IC485
SDRAM
Serial Flash
128Mbit X2
32Mbit
IC928/929 IC930
I J
Network
Module
NW-01
DAC
NET/PARTY
NPL/NPR
PCM5101A
6, 7
Analog Audio
IC481
ADT_SEL
ADT_N_EN
HDMI_SPDIF
RXIN2
HDMI_ARC
RXIN3
AV4_D
MPIO_A3
AV3_D
MPIO_A2
SPDIF Input
AV2_D
MPIO_A1
AV1_D
MPIO_A0
ADL/ADR
Analog Input
ADC
DAC
PCM5101A Audio Distribution
IC486
FL/FR
C/SW
MAIN ZONE
SRL/SRR
Analog Audio
SBL/SBR
DIGITAL (1)