Schematic Diagrams - Yamaha HTR-4064 Service Manual

A B C

SCHEMATIC DIAGRAMS

DIGITAL 1/6
1
HDMI 4
CB1 CB4
2
3
0
0
3.3
0 HDMI SWITCHER
0
0
4
0
0
IC1
1.8
0
0
0
1.8
0
0
0.2
0.8
0.8
0
0
5
6
7
8
9
CB2
10
D E F
HDMI 3
CB5 CB6
0 0
0 0
0 0
0 0
0 0
0 0
0
0
0
1.8
0
3.3
0
1.8
0
0
0
1.8
0
0
0
0
0
3.3
0
0
3.4
3.4
1.3
3.4
0
1.7
0
1.6 0
0 0
3.4 0
HDMI RECEIVER
1.2 0
0 0
3.0
0
0 3.4
1.3
0
0 0
0
0
0 0
0
3.6 0
3.6 IC2 0
3.3 0
3.6 3.4
3.2 1.3
3.2 0
0.4 0
3.3 0
3.6 0
5.1 0
0 0
No replacement part available.
0.6 0
0 0
サービス部品供給なし
0 0
0 0
0.6
0
0
0
0 0
G H I
HDMI 2 HDMI 1
(BD/DVD)
CB7
0 0
0 0
0
0
0
0
0
0
0
0
0
0
3.4
0
1.8
0
HDMI TRANSMITTER
0
0
0
0
IC3
0
0
0
1.8
0
3.4
0
0
0
0
0
0
0
0
0
J K
HDMI OUT
CB8
3.4
1.7 1.3 3.2
0
0
IC7
0 0
4.9 4.9
5.1 5.6
5.1
4.9 5.1
5.1 5.6
IC6
0 3.3
to DIGITAL 4/6
3.3
0
0
3.4
0 3.4
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
to DIGITAL 5/6
3.4 0 0
0 0 0
1.8
1.7
1.7
1.3
0
0
0
1.5
0
0
0 IC4
0
to DIGITAL 2/6
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
L M N
RX-V471/HTR-4064
IC1: SiI9185ACTU
HDMI switcher
EDID Block
Config.
R0X0+/- EDID
I 2 C Switch
Logic
R0X1+/- RAM
R0X2+/-
R0XC+/- Configuration Block
Transmitter
Block
R1X0+/-
TX0+/-
R1X1+/-
R1X2+/- TX1+/-
R1XC+/- Transmit
TX2+/-
Drivers
R2X0+/-
PLL TXC+/-
R2X1+/-
R2X2+/-
R2XC+/- HPD
5V Switch
Switch CEC I/F
Receiver Block
IC2: SiI9233ACTU
HDMI receiver
CEC_A CEC CEC_D
DSDA0
DSDA1
Serial
HDPC
DSDA2 HDCP Embedded
Host
Engine
DSDA3 Registers HDCP Keys
Interface
DSCL0
(DDC)
DSCL1
DSCL2
HPD0
EDID
DSCL3
SRAM Hot Plug HPD1
NVRAM
HPD2
Controller
Serial HPD3
CSDA
Host
CSCL
Interface
RPI
Configuration
CI2CA
(Local) Registers
and Status
and State INT
Registers
Machine
R0XC+
R0XC-
R0X0+
R0X0- Video Processing
R0X1+
R0X1-
Video
R0X2+
Color
R0X2- HDCP Deep ODCK
Space
Unmask Color Video Q[35:0]
R0XC+ Converter
Output DE
R0XC-
Format HSYNC
R0X0+
R0X0- Up/Down VSYNC
R0X1+
Sampling
R0X1- EVNODD
R0X2+
R0X2-
HDMI Auto Video Configuration
HDMI
Receiver A/V Split
Decode
R0XC+ Mux
R0XC- Audio Processing
R0X0+
R0X0- Audio Output
SPDIF
R0X1+ Audio Clock
R0X1- S/PDIF
Regeneration
R0X2+
R0X2- Output
SCK/DCLK
Audio APLL WS
2
I S/
R0XC+ HDCP SD[3:0]
SCDT
R0XC- DSD
Unmask DR[3:0]
Logic
R0X0+ Output
DR[3:0]
R0X0-
R0X1+ Auto
R0X1-
Audio/ MUTEOUT
R0X2+
XTALIN
Exception
R0X2-
XTALOUT
MCLK
SCDT
R0PWR5V
R1PWR5V
R2PWR5V
R3PWR5V
Reset
RESET#
Logic
IC3: SiI9134CTU
HDMI transmitter
INT HPD
RESET#
CSDA CI2CA
DSCL
CSCL E-DDC
Slave
Registers DSDA
Master
and
VSYNC
Video HDCP
Configuration
HSYNC Data Encryption HDCP Keys
Logic
IDCK Capture Engine EEPROM
DE
Logic/DE
EXT_SWING
D[35:0] Generator
YCbCr to RGB
Color Space XOR Tx0
HDMI 1.3
Tx1
S/PDIF Converter/ Mask
TMDS
MCLK Tx2
4:2:2 to 4:4:4
Core TxC
Converter
WS Audio
SCK
Capture
SD[3:0] Logic
DL[3:0]
DR[3:0]
IC5: TC74LCX245FT
IC4: TC74VHC157FT Low voltage octal bus transceiver with
Quad 2-channel multiplexer 5-V tolerant inputs and outputs
SELECT 1 16 Vcc DIR Vcc
1 20
1A 2 A S G 15 ST
A1 2 19 OE
1B 3 B A 14 4A
1Y 4 13 4B
Y B
A2 3 18 B1
2A 5 A Y 12 4Y
2B 6 B A 11 3A A3 4 17 B2
2Y 7 10 3B
Y Y B
A4 5 16 B3
GND 8 9 3Y
A5 6 15 B4
A6 7 14 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
IC6: NJM2388F05
Low dropout voltage regulator with ON/OFF control
V V
IN OUT
IC7: TC7WHU04FU
Triple inverter
Bandgap
V 1Y 3A 2Y
Reference CC
8 7 6 5
ON/OFF
Cont
control
Over Voltage Thermal Over Current
Protection Protection Protection
GND
1 2 3 4
1A 3Y 2A GND
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● 印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
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