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-V671/HTR-6064/RX-A710
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.
CB61
CB62
IC61
IC62
IC65
IC67
IC68
IC66
IC63
IC64
V
OUT
V
IN
Control
GND
1
4
5
2
IC65
: NJM2888F05
Low dropout voltage regulator
Bandgap
Reference
Thermal
Protection
IC61
: 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
IC64
: TC74LCX245FT
Low voltage octal bus transceiver
with 5-V tolerant inputs and outputs
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
GND
DIR
OE
B1
B2
B3
B4
B5
B6
B7
B8
Vcc
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC63
: 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
IC68
: TC7WHU04FU
Triple inverter
8
1
1A
VCC
7
2
3Y
1Y
6
3
2A
3A
5
4
GND
2Y
HDMI TRANSMITTER
DIGITAL (1)
HDMI OUT
to DIGITAL 1/8
to DIGITAL 5/8
to DIGITAL 8/8
to DIGITAL 3/8
DRAFT