Schematic Diagrams - Yamaha RX-V681 Service Manual

A B C

■ SCHEMATIC DIAGRAMS

1
DIGITAL 1/7
t o D I G I T A L ( 2 )
Page 112 K8
0 0 2 . s h t
to DIGITAL (2)_CB422
( F r o n t H D M I )
W Y 7 8 6 8 0
C B 1 5 0 2 2 3 1 - 2 4 0 0
H D M I I N - 7
C B 2
Z D 5 3 4 3 0
2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1
2 4 2 3
F G 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 F G
D G N D
2 2 P ( C H )
C 1 3 6
C 1 4 6
D G N D D G N D 2 2 P ( C H )
+ 3 . 3 H S W
2
R 6 5
n o _ u s e
D G N D R 6 6
n o _ u s e
R 7 8
D V _ S C L
n o _ u s e
R 7 9
D V _ S D A
n o _ u s e
D G N D
+ 5 H S W
+ 5 H S W
V +
5
3 u s e
V -
D G N D
D G N D
3
D G N D
B L M 1 8 K G 2 2 1 S N 1 D
L 7
A V D D 1 2 2 5 2 4 2 3 2
2 6
R 4 P W R 5 V
V D D 3 3
2 7
R 4 X C N
2 8
R 4 X C P
2 9
R 4 X 0 N
3 0
R 4 X 0 P
3 1
R 4 X 1 N
3 2
R 4 X 1 P
3 3
R 4 X 2 N
3 4
R 4 X 2 P
3 5
V D D 1 2
3 6
D S D A 0 D S D A 0
3 7
R 9 D S C L 0 D S C L 0
3 8
H P D 0 C B U S _ H P D 0
5 . 1 K
3 9
C 3 6 R 0 5 V P W R R 0 P W R 5 V
4 0
1 / 2 5 D S D A 1 D S D A 1
4 1
D S C L 1 D S C L 1 No replacement part available.
R 1 0 4 2
5 . 1 K H P D 1 C B U S _ H P D 1
4 4 3
C 3 7
R 1 P W R 5 V R 1 P W R 5 V
4 4
1 / 2 5 D S D A 3 D S D A 3
4 5
D S C L 3 D S C L 3
R 1 1
4 6
5 . 1 K H P D 3 C B U S _ H P D 3
4 7
C 3 8
R 3 P W R 5 V R 3 P W R 5 V
4 8
n o _ u s e
D S D A 4
R 1 2 4 7 K 4 9
D S C L 4
R 1 3 4 7 K 5 0
5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 7 0 7 1 7 2 7 3 7 4 7 5
D G N D
5
IC9, 14, 16 : TC7SET08FU
TC7SH08FU
Q 2 1 Q 2 1
U M 6 K 3 1 N U M 6 K 3 1 N
2 input AND gate 3
5
4
VCC
IN B 1 5
IN A
2
GND 3 4 OUT Y
6
A B Y
L L L
L H L
H L L
H H H
IC2: SII9589-3CTUC
HDMI port processors
Tie one CD_SENCE line
to MHL CD_SENCE, the rest to ground
CD_SENSE0-4 Always-On Section
64-68 5
7
CBUS_HPD0-4 MHL Control
39,43,47,51,55 5
Serial Ports
DDC0
DDC DDC1
DDC2 NVRAM Booting Sequencer
EDID SRAM
DDC3
DDC4
DDC5
INT
Configuration Status,
HDCP
OTP
I2C Registers and Interrupt-Control 74
Local
Registers
I 2 C
Power-Down Section
R0X
TMDS Rx
A
(Port 0)
89-96
C
DPLL
R1X
TMDS Rx
Packet
(Port 1)
1-6,99,100 Analyzer
8 HDCP Repeater
MHL
Authentication SHA
Demux
R2X
TMDS Rx Packet
(Port 2) Analyzer
9-16
B
R3X
TMDS Rx
18-25 (Port 3) D
DPLL
TX
HDMI Data Path AV TMDS
R4X and HDCP Unmask Mute Tx
TMDS Rx 79-86
(Port 4)
28-35 MHL
Demux
ARC
ARC SPDIF
78
75
Connect to
any one
Note: MHL input can be assigned to any port during design
input port
but is hardwired and cannot be selected using firmware.
9
IC1, 6 : BD9328FJ
N O T I C E R E S I S T O R
( m o d e l ) 1ch step-down DC/DC converter
R E M A R K S P A R T S N A M E
J J A P A N
U U . S . A N O M A R K C A R B O N F I L M R E S I S T O R ( P = 5 )
C C A N A D A C A R B O N F I L M R E S I S T O R ( P = 1 0 )
EN
M E T A L O X I D E F I L M R E S I S T O R
R G E N E R A L 7 VREF
T C H I N A M E T A L F I L M R E S I S T O R OPEN
SHUTDOWN
K K O R E A M E T A L P L A T E R E S I S T O R
F I R E P R O O F C A R B O N F I L M R E S I S T O R
A A U S T R A L I A
B B R I T I S H C E M E N T M O L D E D R E S I S T O R
G S T A N D A R D S E M I V A R I A B L E R E S I S T O R
C H I P R E S I S T O R
L S I N G A P O R E
E S O U T H E U R O P E
FB
ERR
C A P A C I T O R 5
V T A I W A N
R E M A R K S P A R T S N A M E
F R U S S I A N
N O M A R K E L E C T R O L Y T I C C A P A C I T O R COMP
P L A T I N A M E R I C A
T A N T A L U M C A P A C I T O R 6
S B R A Z I L
10 N O M A R K C E R A M I C C A P A C I T O R SS
H T H A I
8 Soft Start
C E R A M I C T U B U L A R C A P A C I T O R
P O L Y E S T E R F I L M C A P A C I T O R
P O L Y S T Y R E N E F I L M C A P A C I T O R
M I C A C A P A C I T O R
P P O L Y P R O P Y L E N E F I L M C A P A C I T O R
S E M I C O N D U C T I V E C E R A M I C C A P A C I T O R
P O L Y P H E N Y L E N E S U L F I D E F I L M
S
C A P A C I T O R
D E F
HDMI 5 HDMI 4
A 8 6 0 o n l y
H D M I I N - 6 H D M I I N - 5 H D M I I N - 4
C B 3 C B 4 C B 5
Z D 5 3 4 3 0 D C 1 R S 1 9 J A X R 1 9 0 Z D 5 3 4 3 0 D C 1 R S 1 9 J A X R 1 9 0
F G 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 F G F G 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 F G F G 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9
D G N D D G N D D G N D
u s e
B L M 1 8 K G 2 2 1 S N 1 D
L 1 5
B L M 1 8 P G 2 2 1 S N 1 D
L 1 6
2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 1 R 1 X C P 2 3 4 5
1 0 0
R 1 X C N
9 9
I 2 C a d d : 0 x B 0 V D D 3 3
9 8
A V D D 1 2
9 7
R 0 X 2 P
9 6
R 0 X 2 N
9 5
R 0 X 1 P
Y D 9 4 0 A 0 9 4
R 0 X 1 N
9 3
R 0 X 0 P
I C 2 9 2
R 0 X 0 N
9 1
R 0 X C P
9 0
S I I 9 5 8 9 - 3 C T U C
R 0 X C N
8 9
B L M 1 8 P G 2 2 1 S N 1 D
T P V D D 1 2
1 0 1 8 8
T C V D D 1 2 L 1 3
D G N D 8 7
T X C N
8 6
T X C P
8 5
T X 0 N
8 4
B L M 1 8 P G 2 2 1 S N 1 D
T X 0 P
8 3
L 1 4
T X 1 N
8 2
T X 1 P
8 1
5 V : 9 m A T X 2 N
8 0
T X 2 P
3 . 3 V : 2 6 0 m A 7 9
A R C
1 . 2 V : 7 3 6 m A 7 8
V D D 1 2
7 7
R S V D L
7 6
D G N D
R 4 7
C 5 0 2 2 K D G N D
D G N D
C 4 5 I C 1 4
0 . 1 / 1 0 ( B J ) R 4 4
C 5 1 T C 7 S E T 0 8 F U
0 . 1 / 1 0 ( B J ) 1 0 K
2
C 4 6 1 0 / 1 0 4
C 5 2 R 4 5 1
1 0 / 1 0 n o _ u s e + 5 H S W
0 . 1 / 1 0 ( B J )
C 5 3
D G N D
1 0 / 1 0 V +
D G N D
5
D G N D + 3 . 3 H S W + 3 . 3 H R T 3
V -
R 3 8
+ 5 H S W
5 . 1 K
R 2 2 7
D G N D
n o _ u s e
+ 3 . 3 H S W
R 4 1
+ 3 . 3 M
n o _ u s e
R 4 2
n o _ u s e
S
S
6
2 G G
Q 2 5 D D Q 2 5
1
n o _ u s e
L 5 3
B L M 2 1 P G 6 0 0 S N 1 D
L 3 9
+ 3 . 3 H S W + 3 . 3 H R T + 1 . 2 D H + 1 . 1 D H + 5 H S W
C 2 2 C 1 C 8 C 1 6 C 2 3
n o _ u s e n o _ u s e n o _ u s e n o _ u s e n o _ u s e
C 1 4 4 C 2 C 9 C 1 7 C 2 4
n o _ u s e n o _ u s e n o _ u s e n o _ u s e n o _ u s e L A 1
C 2 5
C 1 6 8 C 3 C 1 0 C 1 8 L A B E L N A
n o _ u s e n o _ u s e n o _ u s e n o _ u s e n o _ u s e W P 4 1 6 5 0
C 4 C 1 1 C 2 6
D G N D n o _ u s e n o _ u s e D G N D n o _ u s e
C 5 C 1 2 C 2 7
n o _ u s e n o _ u s e n o _ u s e
C 6 C 1 3 C 2 8
n o _ u s e n o _ u s e n o _ u s e
C 7 C 1 4
n o _ u s e n o _ u s e D G N D
D G N D D G N D D G N D D G N D D G N D D G N D D G N D
D G N D D G N D
IC3, 5 : RP130K331D-TR-F
RP130K501D-TR-F
Voltage regulator
VCC
5V
V DD 4 3 V OUT
OSC VREG
BST
1
OCP 12V
VIN
UVLO 2
IBIAS
TSD
Vref
S LVS
Current Limit
DRV SW OUTPUT
CE GND
1 2
3
LOGIC
SLOPE
PWM R
LVS
Pin No. Symbol Description
1 CE Chip Enable ("H" Active)
2 GND Ground Pin
3 V Output Pin
OUT
4 V Input Pin
DD
4
GND
G H
RX-V681 RX-A760
HDMI 3 HDMI 2
H D M I I N - 3 H D M I I N - 2
C B 7 C B 8 C B 9
Z D 5 3 4 3 0 D C 1 R S 1 9 J A X R 1 9 0 Z D 5 3 4 3 0 D C 1 R S 1 9 J A X R 1 9 0 Z D 5 3 4 3 0 D C 1 R S 1 9 J A X R 1 9 0
F G 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 F G F G 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 F G F G
D G N D D G N D D G N D
5 4 3 2 1 5 4 3 2 1
D G N D
5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1
6 7 8 9 6 7 8 9
6 7 8 9 6 7 8 9 6 7 8 9 6 7 8 9
T P 4 1 T P 4 5
R 1 1 7 R 1 4 5
1 K 1 K
Q 1 4 Q 1 6
C 4 0 8 1 U B T L R C 4 0 8 1 U B T L R
D G N D D G N D
D T C 0 1 4 E U B T L D T C 0 1 4 E U B T L
Q 1 3 Q 1 5
D G N D D G N D
+ 3 . 3 H R T
D G N D
1 0 0 0 P ( B )
C 1 0 0
C 1 0 1
2 2 / 6 . 3
C 1 2 8
2 2 / 6 . 3
D G N D
D G N D D G N D
D G N D
0 . 1 / 1 0
C 1 0 6
1 0 9 R X 0 P 5 V
R X 0 P 5 V
R X 3 S D A 1 1 0 R X 3 S D A
R X 3 S C L 1 1 1 R X 3 S C L
R X 2 S D A 1 1 2 R X 2 S D A
R X 2 S C L 1 1 3 R X 2 S C L
1 1 4 N I R Q A 1
H A U _ N _ I N T J 1 3 0 1 1 5 N I R Q A 0
1 1 6 V D D 3 3
R 8 4
1 0 K 1 1 7 S C L K / L P S A 1
1 0 K
1 1 8 M O S I / L P S A 0
R 9 1
1 1 9 M I S O HDMI
D G N D 1 2 0 N C S
1 2 1 V D D 1 1
RECEIVER/TRANSMITTER
1 2 2 V S S
B L M 1 5 P D 3 0 0 S N 1 D
1 2 3 A V D D 3 3 R X 1
L 4 3 C 1 0 5
0 . 1 / 1 0 1 2 4 P 1 R X C M
1 2 5 P 1 R X C P
C 1 4 9 1 2 6 A V D D 1 1 R X 1
0 . 1 / 1 0
1 2 7 P 1 R X 0 M
1 2 8 P 1 R X 0 P
C 9 2
0 . 1 / 1 0 1 2 9 A V D D 1 1 R X 1
Y G 9 5 9 B 0
1 3 0 P 1 R X 1 M
1 3 1 P 1 R X 1 P
B L M 1 5 P D 3 0 0 S N 1 D 1 3 2 A V D D 1 1 R X 1 M N 8 6 4 7 8 7
C 1 4 2
L 4 4 0 . 1 / 1 0 1 3 3 P 1 R X 2 M
1 3 4 P 1 R X 2 P I C 7
1 3 5 V S S
B L M 1 5 P D 3 0 0 S N 1 D 1 3 6 A V D D 3 3 R X 0
C 1 0 3
L 4 5 0 . 1 / 1 0 1 3 7 P 0 R X C M
1 3 8 P 0 R X C P
C 1 3 9
0 . 1 / 1 0 1 3 9 A V D D 1 1 R X 0
1 4 0 P 0 R X 0 M
1 4 1 P 0 R X 0 P
C 9 3
1 4 2 A V D D 1 1 R X 0
0 . 1 / 1 0
1 4 3 P 0 R X 1 M
1 4 4 P 0 R X 1 P
B L M 1 5 P D 3 0 0 S N 1 D
1 4 5 A V D D 1 1 R X 0
L 4 6 C 1 3 3
0 . 1 / 1 0 1 4 6 P 0 R X 2 M
No replacement part available.
1 4 7 P 0 R X 2 P
1 4 8 V S S
1 4 9 V D D 1 1
1 5 0 N O S D I R Q
A U P _ S D O 1 5 1 C H 1 A S D 0
A U P _ W C K 1 5 2 C H 1 A L R C L K
A U P _ B C K 1 5 3 C H 1 A B C L K
1 5 4 C H 1 A S P D I F
L P S A 1 L P S A 0 I 2 C a d d
1 5 5 V D D 3 3
L L 0 x 1 0
1 5 6 V S S
L H 0 x 4 0
R X 1 S D A 1 5 7 R X 1 S D A
R X 1 S C L 1 5 8 R X 1 S C L
H L 0 x 7 0
R 1 1 2 1 5 9 R X 0 S D A
H H 0 x A 0
1 0 K R 1 1 5 1 6 0 R X 0 S C L
1 0 K
R 1 2 1 1 6 1 C E C
n o _ u s e
1 6 2 V D D 1 1
B L M 1 5 P D 6 0 0 S N 1 D
L 1 7
B L M 1 5 P D 6 0 0 S N 1 D
L 4 2
+ 3 . 3 H R T
L 2 4
+ 3 . 3 H R T B L M 1 5 P D 6 0 0 S N 1 D
C 1 7 6 I C 1 6 I C 1 6 V +
5
1 0 0 0 P ( B ) 3
V -
1 4
O E V D D
D G N D
X L 1
T P 1 2
2 3 R 2
G N D O U T
2 7 M H Z 3 3
I C 1 6
W K 8 4 1 2 0 /
D G N D R 4 6
W U 0 6 6 7 0 2 4 R 8 F P G A _ 2 7 M H Z
3 3
D G N D 3 3
1
T C 7 S H 0 8 F U
A
C B 1 0 1 0 0 0 P ( B ) 0 . 1 / 1 0 ( B J )
+ 1 . 1 D H D G N D C 1 9 1
+ 5 . 6 V
+ 1 . 2 D H
1.117V
+ 3 . 3 H L
C 1 9 2
1 0 0 / 6 . 3 1 0 0 0 P ( B )
C 2 0 X H I
C 1 6 9 V L 8 4 4 7 0
n o _ u s e
2 2 / 6 . 3
Page 112 I8
to DIGITAL (2)_W4201
2 . 4 A
3.301V 3.284V
+ 3 . 3 H R T + 3 . 3 D
+ 3 . 3 H P L L + 5 . 6 V
C 4 8
L 1 0 1 0 0 0 P ( B ) J 8
n o _ u s e
1 0 U H
( 2 1 2 5 )
R P 1 3 0 K 3 3 1 D - T R
V O U T V D D
6 5 4
D G N D G N D I C 3 C E / C E
3.284V Q 6
G 3 2
4 3 2 1 0.000V
B D 9 3 2 8 F J
G I C 1 1 2 3
Y D 9 6 0 A 0
5 6 7 8
Q 5
2 A R A L 0 3 5 P 0 1
D G N D
1 D T A 0 4 4 E U B T L
D G N D
D G N D
No replacement
D G N D
part available.
D G N D
I J K
HDMI 1 HDMI OUT
(BD/DVD)
H D M I I N - 1 H D M I O U T 1
+ 3 . 3 H R T
C B 1 1
Z D 5 3 4 3 0 D C 1 R S 1 9 J A X R 1 9 0 Z D 5 3 4 3 0
1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 F G F G F G
( 0 . 5 % )
C 1 8 7 R 2 9 R 6 3
D G N D
D G N D D G N D
1 / 2 5 5 1 4 . 7
C 1 8 8 R 6 2
5 1
1 / 2 5
J 1 6
0
D G N D
1 6 0 8
5 4 3 2 1
D G N D
5 4 3 2 1 5 4 3 2 1 D G N D
6 7 8 9 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1
+ 5 H T 1
6 7 8 9 6 7 8 9 + 5 . 6 V
6 7 8 9 6 7 8 9 6 7 8 9
B K P 1 0 0 5 H S 6 8 0 - T
D 3 1 L 3 1
T P 5 0
R B 5 0 1 V - 4 0
R 1 6 8
5 4
1 K I C 1 1
1 2 3
Q 1 9
C 4 0 8 1 U B T L R R 1 9 0
D G N D 1 . 8 K
R 1 9 1
1 . 8 K
D G N D
2 2 K
D T C 0 1 4 E U B T L
Q 1 8 R 1 8 6
D G N D
+ 3 . 3 H R T
Q 2 6 Q 2 6
D 3 D 6
5 2
G G
S 4 S
1
R B 5 0 0 V - 4 0
D G N D
D 1 0 0
J 2 0 1
C E C
0
+ 3 . 3 H P L L
D G N D
4 . 7 / 6 . 3
C 1 1 9
0 . 1 / 1 0
C 1 2 0
0 . 1 / 1 0
C 1 0 7
D 1 9 5 4 H T X 1 _ C [ 5 ]
D 1 8 5 3 H T X 1 _ C [ 4 ]
D 1 7 5 2 H T X 1 _ C [ 3 ]
D 1 6 5 1 H T X 1 _ C [ 2 ]
D 1 5 5 0 H T X 1 _ Y [ 9 ]
D 1 4 4 9 H T X 1 _ Y [ 8 ]
D 1 3 4 8 H T X 1 _ Y [ 7 ]
D 1 2 4 7 H T X 1 _ Y [ 6 ]
V D D 1 1 4 6
V S S 4 5
P 0 T X C M 4 4
A V D D 1 1 T X 4 3
P 0 T X C P 4 2
P 0 T X 0 M 4 1
A V D D 3 3 T X 4 0
P 0 T X 0 P 3 9
P 0 T X 1 M 3 8
A V D D 1 1 T X 3 7
P 0 T X 1 P 3 6
P 0 T X 2 M 3 5
A V D D 1 1 T X 3 4
P 0 T X 2 P 3 3
V D D 1 1 3 2
V S S 3 1
P 1 T X C M 3 0
A V D D 1 1 T X 2 9
P 1 T X C P 2 8
P 1 T X 0 M 2 7
A V D D 3 3 T X 2 6
P 1 T X 0 P 2 5
P 1 T X 1 M 2 4
A V D D 1 1 T X 2 3
P 1 T X 1 P 2 2
P 1 T X 2 M 2 1
D G N D
A V D D 1 1 T X 2 0
P 1 T X 2 P 1 9
V D D 1 1 1 8
V S S 1 7
D 1 1 1 6 H T X 1 _ Y [ 5 ] B L M 1 5 P D 6 0 0 S N 1 D
L 2 9
D 1 0 1 5 H T X 1 _ Y [ 4 ]
D 9 1 4 H T X 1 _ Y [ 3 ]
3 3
D 8 1 3 H T X 1 _ Y [ 2 ]
R 2 3 3
D 7 1 2 H T X 1 _ C [ 1 ]
V D D 1 1 1 1
D 6 1 0 H T X 1 _ C [ 0 ]
Z K 7 5 8 7 0
V S S 9 H S 1
@ p a r t N
D 5 8 H T X 1 _ Y [ 1 ]
D 4 7 H T X 1 _ Y [ 0 ] n o _ u s e
R 2 3 4
D 3 6
D 2 5 3 3
D 1 4
D 0 3 H T X 2 _ C L K
D G N D
T X 0 H P D 2
T X 0 S D A 1
B L M 2 1 P G 6 0 0 S N 1 D
L 3 0
D G N D
B L M 2 1 P G 6 0 0 S N 1 D
L 3 2
H T X 1 _ C L K , H T X 1 _ Y [ 0 - 9 ] , H T X 1 _ C [ 0 - 9 ] , H T X 1 _ D E , H T X 1 _ H S , H T X 1 _ V S , H T X 2 _ C L K , H T X 2 _ D [ 0 - 7 ]
H R X _ C L K , H R X _ Y [ 0 - 7 ] , H R X _ C [ 0 - 7 ] , H R X _ D E , H R X _ H S , H R X _ V S
to DIGITAL 3/7
F H D M I _ N _ I N T
0 . 1 / 1 0 ( B J )
C 1 9 3 C 1 9 5
D G N D
C 1 9 4 C 1 9 6
0 . 1 / 1 0 ( B J ) 0 . 1 / 1 0 ( B J )
+ 1 . 2 D H + 3 . 3 D
+ 3 . 3 H S W
+ 5 . 6 V
1.221V
C B 6 0 . 1 / 1 0 ( B J )
C 8 5 + 1 . 2 D H
0.000V D G N D
1.222V + 1 . 2 D H
( 2 1 2 5 )
+ 3 . 3 H L J 2
3.290V C 8 6
0 6 5 4 2 . 4 A
X H I 0 . 1 / 1 0 ( B J )
V L 8 4 4 7 0
Q 1 2
3 2
C 1 1 3
L 2 1 1 0 0 0 P ( B )
1 2 3
1 0 U H
Q 1 1
D G N D R A L 0 3 5 P 0 1
1 D T A 0 4 4 E U B T L
+ 5 H S W + 5 . 6 V
D G N D
D G N D
4 3 2 1
4.995V B D 9 3 2 8 F J
G I C 6
Y D 9 6 0 A 0
R P 1 3 0 K 5 0 1 D - T R 5 6 7 8
V O U T V D D 2 A
D G N D
G N D I C 5 C E / C E
G
No replacement
D G N D D G N D
part available.
D G N D
L M N
RX-V681/RX-A760
V 7 8 1 / A 8 6 0 O n l y
H D M I O U T 2
C B 1 2
Z D 5 3 4 3 0
F G F G
D G N D
+ 3 . 3 H R T
R 2 2 0
4 . 7 K 1 4
V +
J 1 4 0 . 1 / 1 0 ( B J ) R 2 1 9 T P 5 5 R 2 2 2
1 2 3 4
0 C 1 7 4 6 8 0 3 3
V - 7
R 2 2 1
1 8 K
I C 4
5 6 9 8
5 4 3 2 1 5 4 3 2 1 5 4 3 2 1
1 3 1 2 1 1 1 0 D G N D
T C 7 4 V H C U 0 4 F T ( E L
+ 5 H T 2 + 5 . 6 V
6 7 8 9 6 7 8 9 6 7 8 9
D 3 6 L 3 7
5 4
I C 1 2
1 2 3
R 1 9 9
R 2 0 0
No replacement
D G N D
V 6 8 1 O n l y
R 2 3 1 part available.
1 0 K
R 2 3 2 2 2 K
1 0 K R 1 9 5
D G N D
IC11, 12 : R1163N501B-TR-FE
CMOS-based manual mode switching LDO regulator
ECO
4
V V
DD 1 5 OUT
Vref
Current Limit
CE GND
3 2
Reverse Detector
Pin No. Symbol Description
1 V Input Pin
DD
2 GND Ground Pin
3 CE Chip Enable Pin ("H" Active)
4 ECO MODE Alternative Pin
5 V Output Pin
OUT
H D M I _ A U D _ R T N
A U P _ B C K
A U P _ B C K
A U P _ W C K
A U P _ W C K
A U P _ S D O
A U P _ S D O
to DIGITAL 6/7
/ O E D I R O U T t o 0 0 6 . s h t
L B A L I C 1 7
( D S P )
L H A B
X 7 7 8 7 A 0 : T C 7 4 L C X 2 4 5 F T ( E L
H X H i Z
Y G 2 6 3 A 0 : 7 4 L V C 2 4 5 A P W
R 2 0 4
4 7 X 4
S P D I F / D S D _ F R _ P B 8 G N D
H B C K / D S D C K _ P B 7 A 8
S P D I F / D S D _ F R
H W C K / D S D _ R L _ P B 6 A 7
H B C K / D S D C K
S D 0 / D S D _ F L _ P B 5 A 6
H W C K / D S D _ R L
S D 1 / D S D _ F C _ P B 4 A 5
S D 0 / D S D _ F L
S D 2 / D S D _ L F E _ P B 3 A 4 4 7 X 4
S D 1 / D S D _ F C
S D 3 / D S D _ R R _ P B 2 A 3 R 2 0 2
S D 2 / D S D _ L F E
H M C K _ P B 1 A 2
S D 3 / D S D _ R R
4 7
G A 1
H M C K
+ 3 . 3 H R T R 2 0 3
V C C D I R
L 5 1 C 2 0 2
B K P 1 0 0 5 H S 6 8 0 - T
0 . 1 / 1 0
IC4 : TC74VHCU04FT
Hex inverters
Q 1
VCC
1A 1 14
D T C 0 4 4 E U B T L
1Y 2 13 6A
D G N D
3 12
2A 6Y
2Y 4 11 5A
3A 5 10
5Y
3Y 6 9 4A
GND 7 8 4Y
IC17 : TC74LCX245FT
Low-Voltage Octal Bus Transceiver
DIR 1 20 Vcc
A1 2 19 OE
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
A6 7 14 B5
t o 0 0 3 . s h t
A7 8 13 B6
( F P G A )
A8 9 12 B7
GND 10 11 B8
+ 3 . 3 H S W + 3 . 3 H R T
D S P _ P O N
H D I N _ H P D 1
H D I N _ H P D 2
H D I N _ H P D 3
H A U _ N _ I N T
H R T X _ N _ R S T
H R X _ N _ I N T
to DIGITAL 4/7
H T X _ N _ I N T
H S W 1 _ N _ I N T t o 0 0 4 . s h t
F H D M I _ N _ I N T
( u - C o m )
D V _ P O N
H S W _ N _ R S T
H D M I _ S C L
H D M I _ S D A
H S W I 2 C _ O N
H S W _ P O N
H D M I _ P O N
+ 3 . 3 H R T
T H M 4
D G N D
D G N D D G N D
D G N D
Details of colored lines
S h e e t 1 : H D M I R x T x
Red / full line: Power supply (+)
I C / C B / X L : 1 - 1 9 Red /dashed line: Power supply (-)
O H T E R : 1 - 2 4 9
Orange: Signal detect
DIGITAL (1) Yellow: Clock
Green: Protection detect
Brown: Reset signal
Blue: Panel key input
★ All voltages are measured with a 10M Ω /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.
111