Yamaha HTR-8063, Service Manual

Page: 130 / 185

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V1067/HTR-8063/RX-A1000
130
DIGITAL 4/8
★
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あります。
CB71 CB72
IC82
IC78
IC80
IC74
IC72
IC75
IC81
IC71
IC73
IC76
IC77
IC84
CB73
CB74
IC83
IC79
0 0 0 0 0 0 0 0 0
4.9 4.9
4.9
4.9 5.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
1.9
1.9
3.3
0
0
5.5
5.5
3.3
3.3
1.8
0
0
5.5
0
3.4
0
3.4
3.4
3.4
3.4
0
3.3
5.1
5.5
0
1.9
3.3
1.3
1.3
3.3
0
1.9
3.4
3.3
3.3
0
0
3.3
0
0
0
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.7
1.7
1.7
1.3
1.9
0
3.3
3.3
0
5.0
5.5
0
3.3
0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
3.3
0
1.7
3.3
3.3
0
3.3
0
0
4.9
0
5.0
0 0 0 0 0 0 0
0.3
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
3.3
1.9 1.9
0 0
1.7 1.7 0.2 1.3
2.5 2.5
3.3
4.9 4.9 0 0 0 0 0 0 0 0 0 0 0 0
0
1.9
1.9 1.9 1.9
1.9
0 0 0 0 0 0
1.7
3.3
5.5
3.4
3.4
5.5
0 0.8 1.4 3.4 3.3 5.5
3.4 3.4 3.4 3.4 3.4
0 0 0 0 0 0
5.5
5.5
1.9
1.9
5.5
0 0.8 3.3 5.5
1.9 1.9 1.9 1.9 1.9
0 0 0 0 0 0
5.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.9
1.9
3.3
0
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
1.7
0
0
0
0
1.7
1.7
1.3
1.9
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
3.3
1.9 1.9
3.3
3.3
2.5 2.5 4.9 4.9 0 0 0 0 0 0 0 0 0 0
1.9
0 0 0 1.9
1.9 1.9 1.9
4.9
0
0
0
5.0
5.0
0
0
0
0
0
5.0
0 0 0 0 0 0 0 0 0
4.9 4.9
0 0
5.0
0 0 0 0 0
4.9 5.0
4.9
0
4.9
0
3.3
0
5.0
5.5
V
OU
T
V
IN
Control
GND
1
4 5
2
IC72, 78 : NJM2867F3-05 (TE1)
Low dropout voltage regulator
Bandgap
Reference
Thermal
Protection
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
V OUT
GND
CE
NC
V DD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
5 4
2 1
Current Limit
V
OUT
GND
IC76 : R1172H121D-T1-F
CMOS-based positive-voltage regulator IC
V DD
CE
Vref
4 3
1 2
Current Limit
V OUT
GND
Pin No.
1
2
3
4
Symbol
V OUT
GND
CE
V DD
Description
Output Pin
Ground Pin
Chip Enable ("H" Active)
Input Pin
IC79 : RP130Q501D-TR-F
Voltage regulator
IC71, 75 : 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
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
IC80 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
1
3
2
5
4
GND
V CC
IC84 : TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
IC82 : TC7WHU04FU
Triple inverter
8
1
1A
V
CC
7
2
3Y
1Y
6
3
2A
3A
5
4
GND
2Y
IC81 : 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 DD
CE
Vref
4 3
1 2
Current Limit
V OUT
GND
Pin No.
1
2
3
4
Symbol
V
OUT
GND
CE
V
DD
Description
Output Pin
Ground Pin
Chip Enable ("H" Active)
Input Pin
IC83 : RP130Q121D-TR-F
Voltage regulator
IC74 : LB1836M-TLM-E
Motor driver IC
1
VCC GND OUT1 OUT2 IN1 IN2 VS1
GND VC OUT3 OUT4 IN3 IN4
VS2
2 3 4 5 6 7
14 13 12 11 10 9 8
IN1
VCC
IN2
THERMAL
SHUT DOWN
CONTROL
Section
CONTROL
Section
IN3
IN4
VS2 VS1
OUT2
OUT1
10F
M
OUT4
GND
GND
OUT3
M
(+)
(-)
Error
Amp
VOUT
P-Drive
N-Drive
UVLO
Thermal Limit
Current Limit
Soft Start
PLL / Sawtooth
Generator
(+)
(-)
PWM
Comp
PVIN
ENABLE
Compensation
Network
Voltage
Reference
PGND
XFB
EAOUT
SS
Over Voltage
power
Good
Logic
POK
EAOUT
SYNC
NC(SW)
AGND
Regulated
Voltage
AVIN
IC73, 77 : EN5337QI
DC DC converter
26
27
30
29 32
33
28
31
19-21
13-18
5-11
1,2,12,34-38
To DIGITAL 1/8
To DIGITAL 8/8
To DIGITAL 6/8
To DIGITAL 7/8
To DIGITAL 3/8
DIGITAL (1)
HDMI Tx HDMI Tx
SELECTOR
BUFFER
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
HDMI OUT
1 2
SELECTABLE
ARC
SELECTABLE
ARC
HDMI OUT
to POWER (1)_W2001
Page 139 M6
to NET_CB512
Page 144 I2
DRAFT