Yamaha RXV1065 - RX AV Receiver, Service Manual

Page: 119 / 166

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
119
DIGITAL 1/5
RX-V1065/HTR-6280/AX-V1065
SCHEMATIC DIAGRAMS
★
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.
● 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ございます。
CB4 CB3 CB2 CB1
CB6
IC2
IC11
IC7
IC4
IC3
IC13
IC9
IC8
IC5
CB7
IC10
POINT A XL1 (Pin 5 of IC4)
A
00 00 00 00
00
0
0
0
0
0 0
0
0
0
0 0.6
0
0
0
0
0
0 0
0
0
0
0 0.6
3.4
0
0
0.6
0 0
0 0 0
1.7 1.7 1.6 1.5
0 0 0
1.9 1.9 2.2
2.2
2.2 2.2 1.3
1.3 3.4 3.4
1.8 1.5
0
0
0.6
0
0
3.4
1.3
0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.3 1.3
0.3
1.8
1.9
0 0
1.7
3.4 1.8
0.5
0 0
1.7
0
2.2 2.2 2.2 2.2 2.2 2.3 2.2 2.2 2.2 2.2 2.2 2.2 1.8
2.6 2.5 4.9 4.9
4.9
3.4
0 1.8
1.8 1.8 1.9
1.8
0 0 0 0 0 0 0 0 0 0 0 0
3.4
0
0
3.4
1.5
1.7
1.7
0
0
0
0
0
0
3.4
0
0
0.6
0.2
0.6
0
0
0.2
0.6
3.4
3.4
3.4
2.5
2.6
0
5.0
0
3.0
1.5
1.6
3.4
3.0
0
1.3
1.3
3.4
3.4
3.3
0
3.4
0
0
0
0
0
0
0
0
0
0
0
0
1.7
1.7
1.6
1.5
1.9
1.3
0
3.3
1.8
1.5
0
0
2.2
2.2
2.2
2.2
0
0
0
3.4
3.4
1.8
1.8
0
3.4
3.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.6
5.6
3.4
1.7
1.3
0
0
0
1.9
2.6
0
0
3.4
0.4
0
0.2
0
0
1.7
1.8
0
0
0
0
0
0
0
0
3.4
1.3
2.2
2.2
2.2
2.2
2.2
2.2
0
1.7
0
0
0.5
1.8
0.4
0.2
1.7
2.6
2.2
2.2
2.2
2.2
1.3
3.4
3.4
0
0
0
0
0
0 0
0.6
0.2
0
0 0.6
0
0
0
0
0
0
5.1
0
4.9
0
4.9
5.1
3.3
4.9 5.1
0
0
0
0.2
0
0 0.6
0
3.4
3.4
1.7
0
1.3
1.7
0
1.3
0
0
0 1.7 0
1.7
1.7 1.7
5.1 5.6
5.5
0
1.9 1.9
0
2.3
3.4 3.4 5.6 8.2
0
0
1.0
3.4
1.3
6.8
2.3
5.6
0 3.4
1.3
1.0
ANALOG IN
IC4 : SiI9233ACTU
HDMI receiver
Serial
Host
Interface
(DDC)
Serial
Host
Interface
(Local)
CEC CEC_A
CEC_D
HPD0
HPD1
HPD2
HPD3
INT
ODCK
DE
HSYNC
VSYNC
EVNODD
SPDIF
SCK/DCLK
WS
MUTEOUT
XTALIN
XTALOUT
MCLK
SCDT
Q[35:0]
SD[3:0]
DR[3:0]
DR[3:0]
DSDA0
DSDA1
DSDA2
DSDA3
DSCL0
DSCL1
DSCL2
DSCL3
CSDA
CSCL
CI2CA
R0XC+
R0XC-
R0X0+
R0X0-
R0X1+
R0X1-
R0X2+
R0X2-
R0XC+
R0XC-
R0X0+
R0X0-
R0X1+
R0X1-
R0X2+
R0X2-
R0XC+
R0XC-
R0X0+
R0X0-
R0X1+
R0X1-
R0X2+
R0X2-
R0XC+
R0XC-
R0X0+
R0X0-
R0X1+
R0X1-
R0X2+
R0X2-
R0PWR5V
R1PWR5V
R2PWR5V
R3PWR5V
RESET#
HDCP
Registers
Video
HDCP
Unmask
Audio
HDCP
Unmask
SCDT
Logic
Reset
Logic
HDMI
Decode
HDMI
Receiver
Mux
SRAM
EDID
NVRAM
Video Processing
Audio Processing
APLL
Auto Video Configuration
Video
Output
Format
Audio Output
Audio Clock
Regeneration
S/PDIF
Output
I2S/
DSD
Output
Up/Down
Sampling
Deep
Color
Color
Space
Converter
HDPC
Engine
Hot Plug
Controller
Embedded
HDCP Keys
RPI
Registers
and State
Machine
Configuration
and Status
Registers
A/V Split
Auto
Audio/
Exception
IC8, 9 : BD9323EFJ-E2
1 ch step down DC/DC converter
IBIAS
ERR
FB
EN
BST
OUTPUT
VIN
SW
GND
OPEN
AUTOMATIC
STARTUP
COMP
SS
VREF
VREG
OSC
TSD
S
DRV
R
LOGIC SLOPE
Soft Start
UVLO
VCC
5V
12V
8
6
PWM
OCP
LVS
LVS
7
1
5
4
3
2
IC7 : SiI9134CTU
HDMI transmitter
XOR
Mask
DSCL
DSDA
EXT_SWING
Tx0
Tx1
Tx2
TxC
CSDA
RESET#
MCLK
S/PDIF
SCK
WS
DE
IDCK
VSYNC
HSYNC
SD[3:0]
DL[3:0]
DR[3:0]
D[35:0]
INT HPD
CSCL
Registers
and
Configuration
Logic
HDCP Keys
EEPROM
E-DDC
Master
CI2CA
Slave
Video
Data
Capture
Logic/DE
Generator
HDCP
Encryption
Engine
HDMI 1.3
TMDS
Core
Audio
Capture
Logic
YCbCr to RGB
Color Space
Converter/
4:2:2 to 4:4:4
Converter
IC11 : TC74VHC157FT
Quad 2-channel multiplexer
SELECT 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
Vcc 16
ST 15
4A 14
4B 13
4Y 12
3A 11
3B 10
3Y 9
A S G
B A
Y B
A Y
B A
Y Y B
V
OUT
V
IN
Control
GND
1
4 5
2
IC10 : NJM2867F3-05
Low dropout voltage regulator
Bandgap
Reference
Thermal
Protection
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
NC
V DD
V OUT
Description
Chip Enable Pin (“H” Active)
Ground Pin
No Connection
Input Pin
Output Pin
Vref
4 5
1 2
Current Limit
V
OUT
GND
IC13 : R1172H501D-T1-F
Voltage regulator
V
DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V
OUT
GND
IC5 : R1172S121D-E2-F
Voltage regulator
1 DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC2 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
1
2
3
NC
IN A
GND 4
5
OUT Y
VCC
A
L
H
Y
H
L
IC3 : TC7SH04FU-TE85L
Inverter
HDMI 2 HDMI 3 HDMI 4 HDMI 1 (BD/DVD) HDMI OUT
HDMI Rx
HDMI Tx
SELECTOR
BUFFER
to DIGITAL 3/5
to DIGITAL 2/5
to DIGITAL 5/5
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
to VIDEO (3)_W3801
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