Yamaha RX-V681 Service Manual page 114

A B C
RX-V681/RX-A760
1
DIGITAL 4/7 DIGITAL (1)
D - F F 2 2
R 7 5 7
1 0 0
C 7 6 8
0 . 1 / 1 0 ( B J )
C L R V C C
+ 3 . 3 M
D G N D
Q 1 Q 8
D [ 8 ] D 1 D 8 D [ 1 5 ]
D C _ T R G 1 D [ 9 ] D 2 D 7 D [ 1 4 ]
Q 2 Q 7
F P G A _ N _ C F G Q 3 Q 6
V I D _ P O N D [ 1 0 ] D 3 D 6 D [ 1 3 ]
D [ 1 1 ] D 4 D 5 D [ 1 2 ]
1 0 0 X 4 1 0 0 X 4
2 R 7 6 2 R 7 8 0
Q 4 Q 5
G N D C K
+ 3 . 3 M
C 7 7 0
0 . 1 / 1 0 ( B J )
C L R V C C
Q 1 Q 8
D [ 0 ] D 1 D 8 D [ 7 ]
N P D A _ S E L D [ 1 ] D 2 D 7 D [ 6 ]
N P S E L _ N _ O E Q 2 Q 7
A D T _ S E L Q 3 Q 6
A D T _ N _ E N D [ 2 ] D 3 D 6 D [ 5 ]
D [ 3 ] D 4 D 5 D [ 4 ]
1 0 0 X 4 1 0 0 X 4
R 7 6 6 R 7 7 8
Q 4 Q 5
G N D C K
to DIGITAL 3/7
D - F F 2 1
F P G A _ N _ C S
F P G A _ N _ C S
3 F P G A _ N _ W R
F P G A _ N _ W R
M C B U S _ N _ R D
M C B U S _ N _ R D
A [ 0 - 2 3 ]
D [ 0 - 1 5 ]
A [ 1 7 ]
A [ 1 6 ]
A [ 1 5 ]
A [ 1 4 ]
A [ 1 3 ]
A [ 1 2 ]
A [ 1 1 ]
A [ 1 0 ]
+ 5 . 6 V + 3 . 3 S + 3 . 3 M
A [ 9 ]
A [ 2 0 ]
C 8 1 0 C 8 1 8 C 8 2 1
4 n o _ u s e n o _ u s e n o _ u s e A [ 2 1 ]
C 8 1 1 C 8 1 9 C 8 2 2
n o _ u s e n o _ u s e n o _ u s e
R E S E T
C 8 1 2 C 8 2 0 C 8 2 3
A [ 2 2 ]
n o _ u s e n o _ u s e n o _ u s e
W P / A C C
C 8 1 3 C 8 2 4 + 3 . 3 M
C 8 7 4
n o _ u s e n o _ u s e R Y / B Y
D G N D D G N D
C 8 1 4 C 8 2 5 A [ 1 9 ] 1 0 0 P ( C H )
n o _ u s e n o _ u s e
A [ 1 8 ]
C 8 1 5 C 8 2 6
A [ 8 ]
n o _ u s e n o _ u s e
A [ 7 ]
C 8 1 6 C 8 2 7
n o _ u s e n o _ u s e A [ 6 ]
C 8 1 7 C 8 2 8
A [ 5 ]
n o _ u s e n o _ u s e
A [ 4 ]
C 8 4 9
A [ 3 ]
n o _ u s e
D G N D
C 8 5 0 A [ 2 ]
n o _ u s e
C 8 5 1
n o _ u s e
A [ 1 ]
5
D G N D
W r i t t e n b y Y E M : Y H 6 9 2 * 0
M X I C B l a n k : X 9 6 9 7 B 0
E O N B l a n k : Y C 0 7 9 B 0
S O C K E T
+ 3 . 3 S + 3 . 3 S + 3 . 3 S
T P 8 6 7
D G N D D G N D D G N D
6
P L 3 . 0
A 1 5 7 6 U B T L R
Q 7 5 5
A 1 5 7 6 U B T L R
Q 7 6 5
D G N D
R 7 5 8
1 0 K
C 7 5 1 ( 2 1 2 5 ) n o _ u s e
1 0 0 0 P ( B )
D G N D
1 0 0 0 P ( B ) C 7 5 2
P L 0 . 3
+ 3 . 3 S C 7 5 3
1 0 0 0 P ( B )
R 7 5 0 R 7 5 1 R 7 5 2
1 0 0 0 P ( B )
1 K 9 . 1 K 1 K + 3 . 3 S 1 0 0 0 P ( B )
3 . 0 V 0 . 3 V
D G N D 1 0 0 0 P ( B )
1 0 0 0 P ( B )
Q 7 5 0
7
H N 4 B 0 1 J E ( T E 8 5 L ,
1 6 1 5 1 4 1 3 1 2 1 1 1 0 9
B 1 C 1
I C 7 6 S N 7 4 L V 4 0 5 1 A P W R
1 2 3 4 5 6 7 8
E L M T _ D C
L M T _ P S 3
B 2 C 2 C 7 5 5
1 0 0 0 P ( B )
C 7 5 6
D G N D
Q 7 5 1 1 0 0 0 P ( B )
C 7 5 7
H N 4 B 0 1 J E ( T E 8 5 L ,
1 0 0 0 P ( B )
B 1 C 1 1 0 0 0 P ( B )
C 7 5 8
1 0 0 0 P ( B )
R 7 6 1 1 0 0 0 P ( B )
E L M T _ O L V 1 0 0 0 P ( B )
L M T _ P S 1 1 M
1 0 0 0 P ( B )
L M T _ P S 2
B 2 C 2
Q 7 5 2
H N 4 B 0 1 J E ( T E 8 5 L , L M T _ O L V
+ 3 . 3 S
B 1 C 1
L M T _ D C
E L M T _ P S 1
8 B 2 C 2
Q 7 5 3
H N 4 B 0 1 J E ( T E 8 5 L ,
B 1 C 1
E L M T _ P S 2
D G N D
B 2 C 2
A 1 5 7 6 U B T L R L M T _ P S 3
Q 7 5 4
9
N O T I C E R E S I S T O R
( m o d e l )
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 )
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
★ All voltages are measured with a 10M Ω /V DC electronic voltmeter.
T C H I N A M E T A L F I L M R E S I S T O R
K K O R E A M E T A L P L A T E R E S I S T O R ★ Components having special characteristics are marked ⚠ and must be replaced
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
★ Schematic diagram is subject to change without notice.
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
C A P A C I T O R
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
Details of colored lines
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
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
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
H T H A I
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
114
D E F
J 7 5 1
0
J 7 5 2
n o _ u s e
D - F F 1 2
C 7 7 1
0 . 1 / 1 0 ( B J )
C L R V C C
+ 3 . 3 M
Q 1 Q 8
D [ 8 ] D 1 D 8 D [ 1 5 ]
R 7 7 7
1 0 0 X 4
D A C _ P O N H R T X _ N _ R S T D [ 9 ] D 2 D 7 D [ 1 4 ]
D A C Z 2 _ P O N H D I N _ H P D 1 Q 2 Q 7 H S W _ P O N
D S P _ P O N H D I N _ H P D 2 Q 3 Q 6 H S W _ N _ R S T
V D E C _ N _ R S T H D I N _ H P D 3 D [ 1 0 ] D 3 D 6 D [ 1 3 ] H D M I _ P O N
D [ 1 1 ] D 4 D 5 D [ 1 2 ]
1 0 0 X 4
R 7 8 1
Q 4 Q 5
G N D C K D F F 1 _ C L K
+ 3 . 3 M
C 7 7 2
0 . 1 / 1 0 ( B J )
C L R V C C
D I A G _ C H E C K
Q 1 Q 8
T P 7 5 7
D [ 0 ] D 1 D 8 D [ 7 ]
R 7 7 9
T P 7 5 6 1 0 0 X 4
F L P _ P O N D [ 1 ] D 2 D 7 D [ 6 ] D I R _ N _ R S T
F L D _ N _ R S T + 3 . 3 D _ P O N Q 2 Q 7 P D _ L E D
F L D _ N _ C S T U N _ N _ R S T Q 3 Q 6 P A _ B _ R Y
F L D _ P O N P R Y D [ 2 ] D 3 D 6 D [ 5 ]
D [ 3 ] D 4 D 5 D [ 4 ]
1 0 0 X 4
R 7 8 2
Q 4 Q 5
G N D C K
D - F F 1 1
+ 3 . 3 M
A 1 5 A 1 6
A 1 4 B Y T E
A 1 3 V S S
A 1 2 D Q 1 5 D [ 1 5 ]
A 1 1 D Q 7 D [ 7 ]
A 1 0 D Q 1 4 D [ 1 4 ]
A 9 D Q 6 D [ 6 ]
A 8 D Q 1 3 D [ 1 3 ]
A 1 9 D Q 5 D [ 5 ]
A 2 0 D Q 1 2 D [ 1 2 ] I 2 C 3 S C L
1 3 3
W E D Q 4 D [ 4 ] I 2 C 4 S D A
1 3 4
0 . 1 / 1 0 ( B J )
V C C I 2 C 4 S C L
D G N D 1 3 5
A 2 1 D Q 1 1 C 8 5 4 D [ 1 1 ] 0 . 1 / 1 0 ( B J ) D V D D 3
+ 3 . 3 M 1 3 6
D Q 3 D [ 3 ] D V S S
1 3 7
D G N D C 7 8 1
D Q 1 0 D [ 1 0 ] A [ 8 ] A 8
1 3 8
A 1 8 D Q 2 D [ 2 ] A [ 9 ] A 9
1 3 9
R 8 0 0
A 1 7 D Q 9 D [ 9 ] A [ 1 0 ] A 1 0
1 4 0
A 7 D Q 1 D [ 1 ] A [ 1 1 ] 3 3 X 4 A 1 1
1 4 1
A 6 D Q 8 D [ 8 ] A [ 1 2 ] A 1 2
1 4 2
A 5 D Q 0 D [ 0 ] A [ 1 3 ] A 1 3
1 4 3
R 8 0 1
A 4 O E A [ 1 4 ] A 1 4
1 4 4
3 3 X 4
A 3 V S S A [ 1 5 ] A 1 5
D G N D 1 4 5
A 2 C E 0 . 1 / 1 0 ( B J ) D V D D 3
R 7 9 6 + 3 . 3 M 1 4 6
D G N D
A 1 A 0 1 0 0 K D V S S
D G N D 1 4 7
C 7 8 2
P B 8
1 4 8
C 8 3 3 T P 8 3 3 + 3 . 3 M S _ P O N
D F F _ F R O M _ N _ R S T P B 9
1 4 9
0 . 1 / 1 0 ( B J ) A [ 1 6 ] A 1 6
1 5 0
A [ 1 7 ] 3 3 X 4 A 1 7
1 5 1
A [ 1 8 ] R 8 0 2 A 1 8
1 5 2
M X 2 9 L V 6 4 0 E B T I - 7 0 G A [ 1 9 ] A 1 9
E N 2 9 L V 6 4 0 A B - 9 0 T I P 1 5 3
T E S T
: W J 1 4 6 7 0 9 8 0 0 2 0 - 4 8 - P 1 1 5 4
A [ 2 0 ] A 2 0
1 5 5
A [ 2 1 ] 3 3 X 4 A 2 1
1 5 6
A [ 2 2 ] R 8 0 3 A 2 2
1 5 7
A 2 3
1 5 8
N C P U _ N _ I N T R 7 9 8 I N T B
1 5 9
D F F 2 _ C L K
F P G A _ N _ C S 3 3 C S 0
1 6 0
D F F 1 _ C L K
F L A S H _ N _ C S C S 1
1 6 1
C S 2
1 6 2
H S W 1 _ N _ I N T P K 0
1 6 3
+ 3 . 3 M
4 1 A [ 1 ] 0 . 1 / 1 0 ( B J )
R 7 8 6 6 3 D V D D 3
1 6 4
I C 8 0 5 I C 8 0 2 + 3 . 3 M
3 3 D V S S
1 4 V +
D G N D 1 6 5
T C 7 4 L C X 3 2 F T T C 7 4 L C X 3 2 F T C 7 8 3
D F F _ N _ C S H S W I 2 C _ O N P K 1
1 6 6
F H D M I _ N _ I N T P K 2
T C 7 4 L C X 3 2 F T T C 7 4 L C X 3 2 F T 1 6 7
9 1 2
7 V - R 7 8 8 N C P U _ S P I _ N _ C S R 7 9 7 n o _ u s e P K 3
8 1 1 1 6 8
I C 8 0 1 0 I C 8 0 1 3 A [ 2 ]
3 3 X 4
D G N D 3 3 M C B U S _ N _ W R W R
R 7 9 5 1 6 9
D F F _ N _ W R R D
1 7 0
F P G A _ N _ W R P K 6
1 7 1
F L A S H _ N _ W R P K 7
1 7 2
M C B U S _ N _ R D B O O T
1 7 3
S C 7 T X D
1 7 4
S C 7 R X D
1 7 5
+ 3 . 3 S
S C 7 S C K
1 7 6
R 8 9 6
R 7 8 5
1 M
C 7 5 9
C 7 6 0
C 7 6 1
C 7 6 2
1 6 1 5 1 4 1 3 1 2 1 1 1 0 9
I C 7 8 S N 7 4 L V 4 0 5 1 A P W R
1 2 3 4 5 6 7 8
C 7 6 4
C 7 6 5
D G N D
C 7 6 6
D G N D
C 7 6 7
R 8 4 8
+ 3 . 3 M
4 7 0 K
+ 3 . 3 M
+ 3 . 3 S
to DIGITAL 2/7
R 7 9 1
t o 0 0 2 . s h t
( V D e c )
R 7 9 3
R 7 9 4
+ 3 . 3 V
1 6 1 5 1 4 1 3 1 2 1 1 1 0 9
I C 8 9
3 4 5 6 7 8
1 2
D G N D
D G N D
D G N D
A 8 6 0 o n l y
t o O P E ( 1 1 )
n o u s e
R S - 2 3 2 C t o O P E ( 2 )
Page 119 F9
to OPERATION (2)_CB344
(RX-V681)
Page 122 F9
to OPERATION (2)_CB344
(RX-A760)
IC76, 78: SN74LV4051APWR
8-channel analog multiplexers/demultiplexers
with parts having specifications equal to those originally installed.
11
A
Red / full line: Power supply (+)
10
B
Red /dashed line: Power supply (-)
Orange: Signal detect
Yellow: Clock
9
C
Green: Protection detect
Brown: Reset signal
Blue: Panel key input
6
INH
G H I
RX-V681 RX-A760
to DIGITAL 1/7 to DIGITAL 2/7 to DIGITAL 3/7 to DIGITAL 5/7
t o 0 0 1 . s h t
t o 0 0 2 . s h t t o 0 0 3 . s h t t o 0 0 5 . s h t
( H D M I R x T X ) ( V D e c ) ( F P G A ) ( N e t / U S B )
1 0 0 P ( C H ) C 8 6 0
+ 3 . 3 M
D G N D 1 0 0 P ( C H ) C 8 6 1
1 0 0 0 P ( B ) C 8 6 2
1 0 0 0 P ( B ) C 8 6 3
C 7 8 6
D G N D + 3 . 3 M
1 / 2 5
A V D D 3
8 8
P N 1
8 7
P N 0
8 6
T B 3 I N 0
8 5
P G 1 0
8 4
P G 9
8 3
P G 8 3 3 X 4
8 2
R 8 7 2
P G 7
8 1
P G 6
8 0
P G 5
7 9
P G 4
7 8
P G 3
7 7
P G 2
7 6
MICROPROCESSOR P G 1
7 5
P G 0
7 4
I N T A
7 3
D V S S
7 2 D G N D
C 8 6 4
D V D D 3
7 1
0 . 1 / 1 0 ( B J )
I N T 9
7 0
P E 7
6 9
I C 9 0
P E 6
6 8
P E 5
6 7
T M P M 4 6 2 F 1 5 F G ( A D D 8 0 1
C E C R 8 2 3
6 6
Y H 6 9 1 A 0 2 7 K
I N T 8 R B 5 0 0 V - 4 0
6 5
P F 1 1
6 4 C E C
P F 1 0
6 3
P F 9
6 2
D V S S C 8 5 9
6 1 D G N D
D V D D 3
6 0 + 3 . 3 M
0 . 1 / 1 0 ( B J )
P F 8
5 9
S C 1 R X D
5 8
S C 1 T X D
5 7
T B 9 I N 0
5 6
No replacement part available. S C 0 R X D
5 5
S C 0 T X D R 8 3 3
5 4
3 3
S C 6 S C K
5 3
3 3 X 4
S C 6 R X D
5 2
S C 6 T X D R 8 3 2
5 1
P M 1 1
5 0
R E S E T
4 9
n o _ u s e C 8 7 2
X T 2
4 8
n o _ u s e
M O D E
4 7 D G N D
C 8 7 3
X T 1
4 6
R 8 3 0
N M I n o _ u s e
4 5
1 0 K
+ 3 . 3 M
R e n e s a s Y D 3 5 5 B 0 R 1 E X 2 5 5 1 2 A T A 0 0 I
C 8 5 7 S T M i c r o Y D 8 5 3 A 0 M 9 5 5 1 2 - R D W 6 T P / K
S T M i c r o Y D 8 5 3 B 0 M 9 5 5 1 2 - R D W 6 T P / K
E E P R O M
+ 3 . 3 M
R 7 8 3 M 9 5 5 1 2 - R D W 6 T P / K
+ 3 . 3 D S P
1 0 K
S V C C
Q H O L D
+ 3 . 3 M
R 8 2 1
W C
+ 3 . 3 M 1 M
V S S D
D G N D
2
C 7 7 5
J 7 5 8
0 . 1 / 1 0 ( B J )
1 3
2 2 0 K X 4 2 2 0 K X 4 2 2 0 K X 4 2 2 0 K X 4 1 2 M H Z
0
R 8 0 8 R 8 0 4 R 8 1 5 R 8 1 8 D G N D
X L 7 5
R 8 2 2
3.292V
1 K
0.000V
D G N D D G N D
R 9 0 2
3 3 0
+ 3 . 3 S
Q 7 6 3
A 1 5 7 6 U B T L R
Q 7 6 4
R 8 2 5
n o _ u s e
1 M
D G N D
R 8 2 6
4 7 K D G N D
C B 7 6 C B 7 8
5 2 0 4 4 P H I
V Q 0 4 4 7 0 V B 3 9 0 8 0
t o M A I N ( 1 ) t o M A I N ( 1 )
Page 125 K7 Page 124 J6
to MAIN (1)_W109 to MAIN (1)_W108
IC80: TC74LCX32FT
Low voltage quad 2 input OR gate
with 5 V tolerant Inputs and outputs
1A 1 14
3
COM
1B 2 13
13 1Y 3 12
Y0
2A 4 11
14
Y1 2B 5 10
2Y 6 9
15
Y2
INPUTS ON GND 7 8
Y4 1 16 V INH C B A CHANNEL
12 CC
Y3 Y6 2
15 Y2 L L L L Y0
COM 3 14 Y1 L L L H Y1
1
Y7 4 13
Y4 Y0 L L H L Y2
Y5 5 12 Y3 L L H H Y3
5
INH 6 11 A L H L L Y4
Y5
10
GND 7 B L H L H Y5
2 GND 8 9 C
L H H L Y6
Y6
L H H H Y7
4 H X X X None
Y7
J K
to DIGITAL 6/7 to DIGITAL 7/7
t o 0 0 6 . s h t t o 0 0 7 . s h t
( D S P ) ( D I R & D A C )
+ 3 . 3 M
+ 3 . 3 S
8
4
A 1 5 7 6 U B T L R
D G N D
D G N D
I C 9 3
M T _ N _ 5 C H R 8 5 6 E X _ S C K 2 1 6
4 . 7 K
T C 7 W H 1 2 6 F U ( T E 1 2
Q 7 6 0 + 3 . 3 M
M a i n Z o n e Q 7 5 6 I C 9 3
R 8 6 0 7
( 5 C H ) E X _ M O S I 5 3
3 3 0 T C 7 W H 1 2 6 F U ( T E 1 2
M T _ 5 C H
A 1 5 7 6 U B T L R
M T _ N _ S W R 8 5 7
4 . 7 K
S u r r o u n d / Q 7 5 7
D S P 1 _ N _ R S T R 8 6 1 M T _ S W
S u b w o o f e r
4 7 0
D S P 2 _ N _ R S T
D S P 1 _ N _ I N T
D I R 1 _ N _ I N T A 1 5 7 6 U B T L R
R 8 5 8
S P R Y _ Z 2 & F P M T _ N _ S B
S P R Y _ S B & B A 4 . 7 K
3.296V
Q 7 5 8
R 8 6 2 + 3 . 3 S + 5 . 6 V
M T _ N _ H P S u r . B a c k M T _ S B
S P R Y _ 5 C H 4 7 0
+ 3 . 3 S
M T _ N _ S W
A 1 5 7 6 U B T L R
M T _ N _ Z 2
M T _ N _ 5 C H M T _ N _ S B _ P O R 8 4 0
R P 1 3 0 K 3 3 1 D - T R
Y G 8 8 3 A 0
4 . 7 K + 3 . 3 M
M T _ N _ S B
V O U T V D D
Q 7 6 1
M T _ N _ S B _ P O D G N D R 8 4 1 M T _ S B _ P O
S u r . B a c k G N D I C 8 4 C E / C E
4 7 0
+ 3 . 3 S _ P O N
G
A C P W R _ D E T
+ 3 . 3 M
+ 3 . 3 M
1 0 0 P ( C H ) A 1 5 7 6 U B T L R
C 8 6 5
R 8 5 9
D G N D M T _ N _ Z 2
+ 3 . 3 S _ P O N
W A K E U P _ I N T 4 . 7 K
Q 7 5 9
R 8 6 3
A D _ S E L _ C Z o n e 2 M T _ Z 2
D G N D
3 3 X 4 A D _ S E L _ B 4 7 0
R 8 3 5
A D _ S E L _ A
+ 5 . 6 V
D G N D
R E M _ I N 1
E E P _ N _ C S P S 3 _ P R T
+ 3 . 3 M
V O L _ S C K
3 3 X 4 D G N D
V O L _ M O S I
4 7 X 4
R 8 3 7 N C P U _ M I S O
N C P U _ M O S I S W D I O T P 8 3 6
T U N _ N _ I N T S W C L K T P 8 3 7
2 3 2 C _ D B G _ M I S O 2 3 2 C _ D B G _ M I S O S W V T P 8 4 4
2 3 2 C _ D B G _ M O S I + 3 . 3 M
R 8 7 0
E X _ S C K
E E P _ M I S O
4 7 X 4
E X _ M O S I M C P U _ N _ R S T
M I C _ N _ D E T B O O T
M C P U _ N _ R S T M C P U _ N _ R S T 2 3 2 C _ D B G _ M I S O T P 8 4 5
2 3 2 C _ D B G _ M O S I T P 8 4 6
D G N D
R 8 6 9
2 3 2 C _ M O S I R 8 4 5
D G N D
2 . 2 K
2 3 2 C _ M I S O R 8 4 6
D G N D
2 . 2 K
2 3 2 C _ D B G _ M I S O
+ 3 . 3 M
+ 3 . 3 M
+ 3 . 3 M I C 9 1
2
R 8 4 9
W A K E U P _ I N T 4 D 7 5 1 C 8 6 8
3 3 1
1 0 / 1 0
T C 7 S H 8 6 F U 1 S S 3 5 5 V M D 7 5 4
I C 9 2 I C 7 7
2 4 R 8 4 3 R 8 4 4 2 4
1 M 0
R B 5 2 1 S - 3 0 T E 6 1
S N 7 4 L V C 1 G 1 7 D C K R
S N 7 4 L V C 1 G 1 7 D C K R
+ 3 . 3 M
+ 3 . 3 M + 3 . 3 M
R e s e t D e l a y 7 0 m s e c
R 3 1 1 6 N 2 7 1 A - T R - F
5 I C 9 4
V + V + D G N D
5 5 C D O U T
3 3
3 V D D
V - V - 0 . 0 1 5 / 1 6 ( B )
C 8 6 9 N C G N D
D G N D D G N D D G N D
D G N D
+ 3 . 3 D S P
0 . 1 / 1 0 ( B J )
R 9 0 3
4 7 0 K C 8 0 1
+ 3 . 3 D S P
C 8 0 2
0 . 1 / 1 0 ( B J )
D G N D
C B 8 0 C B 7 9 C B 8 2
P H I P H I 5 2 0 4 5
V B 3 9 0 7 0 V B 3 8 9 9 0
T H M
t o O P E ( 1 )
Page 124 K7
Page 118 G8
to MAIN (3)_W112
to OPERATION (1)_CB303
(RX-V681)
Page 121 E9
IC82: M95512-RDW6TP/K
to OPERATION (1)_CB304
512 Kbit serial SPI bus EEPROM
(RX-A760)
HOLD
High Voltage
W Control Logic
Generator
S
Vcc
C IC91: TC7SH86FU
4B
D Exclusive OR gate
4A I/O Shift Register
Q
4Y
IN B 1 5 V
3B Address Register Data CC
and Counter Register
3A
Status
Register Size of the IN A 2
3Y
Read only
EEPROM
area
OUT Y
GND 3 4
A B Y
1 Page L L L
L H H
H L H
X Decoder H H L
L M N
IC79, 81, 83, 88 : TC74VHC273FT (EL,K)
Octal D-type flip-flop with clear
D1 D2 D3 D4 D5 D6 D7 D8
3 4 7 8 13 14 17 18
1
CLR
D R D R D R D R D R D R D R D R
CK Q CK Q CK Q CK Q CK Q CK Q CK Q CK Q
11
CK
2 5 6 9 12 15 16 19
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8
CLR 1 20 V CC
Inputs Output
Function
CLR D CK Q
Q1 2 19 Q8
Clear
L X X L
D1 3 18 D8
H L L
−
D2 4 17 D7
−
H H H
Q2 5 16
Q7 H X Q n No Change
Q3 6 15 Q6
D3 7 14 D6
D4 8 13 D5
Q4 9 12 Q5
GND 10 11 CK
IC93: TC7WH126FU
Dual bus buffer
G1 1 8 Vcc
A1 2 7 G2
Y2 3 6 Y1
GND 4 5 A2
R 8 8 9 F L D _ S C K
3 3
R 8 9 0
F L D _ M O S I
3 3
IC90: TMPM462F15FG
CMOS 32-Bit Microcontroller
Cortex-M4F
NVIC FLASH
Backup BOOT
1.5MB RAM DMA
Debug or RAM ROM
192KB
1.0MB 1KB 4KB (unit A,B,C)
3.300V
+ 3 . 3 M + 3 . 3 M + 5 . 6 V
AHB-Lite
AHB Lite (max 120MHz)
AHB to IO AHB to APB
n o _ u s e Bridge Bridge
V o u t E N
G N D I C 8 7 V i n
WDT
R P 1 3 0 K 3 3 1 D - T R SIO/UART EBIF
Y G 8 8 3 A 0 (6ch)
V O U T V D D
G N D I C 8 5 C E / C E TMRB ADC
CEC
(16ch) (20ch)
SSP
MPT
RMC
(3ch)
(2ch)
D G N D PORT RTC UART
(2ch)
IHOSC
I2C
OFD LVD
(5ch)
IHOSC
X1
EHOSC CG
X2
XT1
ELOSC
XT2
C B 7 7
1 4
IC84, 85: RP130K331D-TR
+ 3 . 3 M
1
Voltage regulator
2
S W D I O
3
4
S W C L K
5
DD 4 1 V OUT
6
S W V
7
8
R E S E T
9
B O O T
1 0
R X D
1 1
T X D Vref
1 2
1 3 Current Limit
CE 3 2 GND
n o _ u s e
Pin No. Symbol Description
1 V OUT Output Pin
2 GND Ground Pin
3 CE Chip Enable ("H" Active)
4 V Input Pin
DD
IC86: MX29LV640EBTI-7
+ 3 . 3 M
64M-BIT [8M x 8/4M x 16] SINGLE VOLTAGE 3V
0 . 1 / 1 0 ( B J )
C 8 7 0 CE#
WRITE
OE#
CONTROL
PROGRAM/ERASE STATE
WE#
INPUT
RESET#
HIGH VOLTAGE MACHINE
LOGIC
BYTE#
(WSM)
WP#/ACC
STATE
ADDRESS FLASH REGISTER
LATCH ARRAY
ARRAY
A0-AM
AND
SOURCE
BUFFER HV
Y-PASS GATE
COMMAND
DATA
DECODER
SENSE PGM
DATA
AMPLIFIER
HV
COMMAND
DATA LATCH
PROGRAM
D G N D DATA LATCH
Q0-Q15/A-1 I/O BUFFER
AM: MSB address
S h e e t 4 : u - C o m
I C / C B / X L : 7 5 - 9 9
O H T E R : 7 5 0 - 9 9 9
IC94 : R3116N271A-TR-F
Voltage detecter
IC77, 92 : SN74LVC1G17DCKR
Single schmitt-trigger buffer
V
DD 2
NC 1 5 V CC
Delay OUT
1
A 2 Circuit
GND 3 4 Y
Vref
3 GND
INPUT OUTPUT
A Y 5
H H C
D
L L
Pin No. Symbol Description
1 OUT Output Pin ("L" at Detection, "Hi-Z" at Released)
2 V DD Input Pin
3 GND Ground Pin
NC
4 No Connection
5 C Connecting Pin for External Capacitor for Output Delay