Yamaha HTR-6063, Service Manual

Page: 110 / 144

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-V667/HTR-6063/RX-A700
110
DIGITAL 4/7
★
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.
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
4.9 5.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.4
3.4
1.8
1.8
3.3
0
0
5.6
5.6
1.2
3.3
0
3.4
3.3
3.3
3.4
0
3.3
5.5
5.0
0
1.8
3.3
1.3
1.3
3.3
0
1.8
3.4
0
0
0
3.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.7
1.7
1.3
1.8
0
3.4
3.5
0
5.1
5.5
0
3.4
0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
3.4
0
1.7
3.3
0
3.3
3.2 2.1
0
4.9
0
5.0
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
3.4
1.8 1.8
0
0 0 0
1.6 1.7 1.3 1.3
3.1 3.1
3.4
4.9 4.9 0 0 0 0 0 0 0 0 0 0 0 0
0
1.8
1.8 1.8 1.8
1.8
0 0 0 0 1.6 1.7
1.7
3.4
4.9
5.5
3.4
3.4
5.5
0 0.8 1.4 3.3 3.3
3.3
5.5
3.4 3.4 3.4 3.4 3.4
0 0 0 0 0 0
5.5
5.5
1.8
1.8
5.5
0 0.8 1.4 3.4 3.3
5.5
1.8 1.8 1.8 1.8 1.8
0 0 0 0 0 0
5.5
V
OUT
V
IN
Control
GND
1
4 5
2
IC72 : 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 : 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
IC73, 77 : EN5327QI
DC DC converter
(-)
PWM
Comp
(+)
(-)
(+)
Error
Amp
Compensation
Network
Voltage
Reference
Regulated
Voltage
Power
Good
Logic
PLL / Sawtooth
Generator
UVLO
Current Limit
N-Drive
P-Drive
Over Voltage
Thermal Limit
Soft Start
SS
EAOUT
ENABLE
EAOUT
XFB
POK
30
29
AGND
32
27
SYNC 26
31
19
1, 2, 12, 34-38
5-11
13-18
28
33 AVIN
PGND
VOUT
NC(SW)
PVIN
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
HDMI OUT
No replacement part available.
To DIGITAL 1/7
To DIGITAL 7/7
To DIGITAL 6/7
To DIGITAL 3/7
DIGITAL (1)
HDMI Tx
SELECTOR
BUFFER
to VIDEO (3)_W3801
Page 120 I8