JVC RX-D302B Service Manual page 45
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Also See for RX-D302B:
- Instructions manual (93 pages) ,
- Service manual (79 pages) ,
- Instructions manual (56 pages)
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1
2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3
2 8
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
C C _ C S
C C _ D A T A
C C _ C L K
C C _ R S T
C 2 8 0 1
C 2 8 0 2
1 0 / 1 6
0 . 1
D / A 0
C _ B C K
C _ L R C K
P D _ D D
R S T _ D D
9 6 K / 4 8 K
1 9 2 K / 9 6 K
R 2 6 7 3
1 0 K
C 2 6 7 5
C 2 6 7 3
0 . 1
1 0 / 1 6
9
8
7
6
5
4
3
2
1
C _ I N 2
D / A 1
6 4
C _ I N 3
D / A 2
6 3
C _ I N 4
D / A 3
6 2
S _ B C K
R 2 6 8 6
2 2 0
S _ B C K
6 1
S _ L R C K
R 2 6 8 5
2 2 0
S _ L R C K
6 0
IC667
O M C K
X T A L
5 9
2 5 1 8 - C Q Z - C - W
1 0 k
A D C I N 1
R 2 6 8 4
C 2 6 7 2
5 8
A D C I N 2
R 2 6 8 3
1 0 k
5 7
C _ O U T
1 0 / 1 6
5 6
R M C K
R 2 6 8 2
2 2 0
M C K
5 5
S _ O U T
R 2 6 8 1
2 2 0
D A T A
5 4
V L S
5 3
D G N D
C 2 6 8 7
5 2
0 . 1
V D
5 1
T X P
T X
5 0
R X P 0
R X 0
4 9
C 2 6 8 6
0 . 1
4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8
C 2 6 9 4
1 2 p
C 2 7 5 1
0 . 1
0 V
V D D
3 . 3 V
0 V
V S S
I C 6 7 2
S N 7 4 A H C T 1 G 3 2 K - X
R 2 7 5 1
3 . 3 V
1 k
Q 2 7 0 3
0 V
K R C 1 0 7 S - X
0 V
7 5
7 4
7 3
7 2
7 1
7 0
6 9
6 8
6 7
6 6
6 5
6 4
6 3
6 2
0 V
7 6
E Q
0 V
7 7
C T R _ T O N E
3 . 2 V
7 8
3 D
7 9
3 D
8 0
3 . 3 V
8 1
V D D
8 2
8 3
Q 2 7 0 5
3 . 3 V
8 4
A N A / T . T O N E
K R A 1 0 7 S - X
8 5
8 6
8 7
0 V
8 8
S . M U T E
3 . 2 V
L F E . M I X
8 9
IC671
3 . 3 V
9 0
L F E _ C O N T
U P D 7 8 F 4 2 1 7 A G C 3 3 1
9 1
9 2
9 3
R 2 7 5 2
0 V
9 4
T E S T
1 0 k
9 5
9 6
9 7
9 8
9 9
100
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 2 0 2 1 2 2 2 3 2 4 2 5
C 2 7 0 3
1 0 0 p
R 2 7 0 5
8 . 2 k
C 2 7 0 2
0 . 0 1
R 2 7 7 1
C 2 7 0 1
1 k
1 0 0 / 6 . 3
C 2 7 7 1
4 7 / 1 0
1 . 4 V
0 V
1 . 8 V
C 2 8 3 2
0 . 1
C 2 8 3 1
0 . 1
I C 6 8 3
I C 6 8 4
S N 7 4 A H C 2 G 7 4 T - X
S N 7 4 L V C 2 G 2 4 1 T - X
M C K
3 . 3 V
1 O E
V C C
C L K
V C C
M C K
3 . 3 V
1 A
2 O E
D
P R
3 . 3 V
2 Y
1 Y
Q
C L R
R 2 8 3 2
1 . 6 V
G N D
2 A
G N D
Q
2 2 0
R 2 8 3 1
4 7
R 2 6 0 5
1 k
R 2 6 0 6
1 k
D A T A
S D O 4
G N D I O
C 2 6 0 6
0 . 1
V D D I O
D / A 3
R 2 6 0 1
2 2 0
S D O 3
D / A 2
R 2 6 0 2
2 2 0
S D O 2
D / A 1
R 2 6 0 3
2 2 0
S D O 1
D / A 0
R 2 6 0 4
2 2 0
S D O 0
V D D C O
C 2 6 0 7
R 2 6 0 7
1 k
0 . 1
A M O
R 2 6 0 8
1 k
P F 6
P F 7
G N D C O
P F 2
P F 3
P F 4
P F 5
C 2 6 0 8
0 . 1
V D D I O
P F 1
P F 0
G N D P L
D S P _ R S T
6 1
6 0
5 9
5 8
5 7
5 6
5 5
5 4
5 3
5 2
5 1
S C K
5 0
R 2 7 3 5
2 2 0
S S
S S
4 9
3 . 3 V
R 2 7 3 4
2 2 0
H R E Q
H R E Q
4 8
0 V
R 2 7 3 3
2 2 0
4 7
M I C K
3 . 3 V
3 . 3 V
R 2 7 3 2
2 2 0
M O S I
M I D I O _ O U T
4 6
0 V
0 V
R 2 7 3 1
2 2 0
M I S O
4 5
M I D I O _ I N
4 4
D S P _ R D Y
4 3
2 . 3 V
D S P _ C L K
4 2
2 . 9 V
D S P _ S T S
4 1
2 . 2 V
D S P _ C O M
4 0
2 . 9 V
3 9
3 8
T X
R X
3 7
3 . 3 V
A V R E F 1
3 6
3 . 3 V
R 2 7 2 1
3 5
1 0 k
3 4
A V S S
3 3
0 V
R 2 9 3 8
X
3 2
0 V
3 1
0 V
3 0
0 V
2 9
C S 4
0 V
T P 5 4
C S 3
2 8
T P 5 3
0 V
C S 2
2 7
0 V
T P 5 2
C S 1
2 6
T P 5 1
0 V
R 2 7 1 7
1 0 k
R 2 7 1 2
1 0 k
R 2 7 0 7
2 2 0
R 2 9 3 7
0
X 6 7 1
Q A X 0 7 1 9 - 0 0 1 Z
6 . 1 4 M H z
C 2 9 1 1
2 2 0 / 6 . 3
0 V
C N 6 8 1
D G N D
Q G B 2 5 1 0 J 1 - 0 7
FROM CN672 OF LVA10578-5
(SHEET 6)
R 2 9 4 3
R 2 9 4 4
R 2 8 3 3
4 7 0
R 2 6 4 1
R 2 6 3 9
1 0 k
1 0 k
R 2 6 3 8
1 0 k
R 2 6 4 2
1 0 k
R 2 6 3 7
1 0 k
F S T E
R 2 6 3 6
1 0 k
C 2 6 4 3
S D O 5
0 . 1
R 2 6 3 5
1 0 k
S D O 4
R 2 6 3 4
1 0 k
S D O 3
R 2 6 3 3
1 0 k
S D O 2
R 2 6 3 2
1 0 k
S D O 1
R 2 6 3 1
1 0 k
IC661
S D O 0
G N D C O
C 2 6 2 3
0 . 1
V D D C O
D S P C 5 6 3 7 1 A F 1 8 0
T P 2 9
M O D A
T P 2 8
M O D B
T P 2 7
M O D C
T P 2 6
M O D D
R 2 6 2 1
1 0 k
R E S E T
R 2 6 2 8
1 k
P I N I T
E X T A L
V D D P L
C 2 6 4 1
C 2 6 2 2
1 0 0 p
G N D P L
0 . 1
G N D P L
V D D P L
C 2 6 2 1
0 . 1
R 2 9 3 6
0
C 2 6 0 1
1 0 0 / 6 . 3
L 2 6 0 1
X
R 2 6 1 2
X
T P 6 1
I C 6 9 1
B D 7 8 0 0 F P - X
1
2
3
4
5
R 2 7 2 8
2 2 0
C 2 7 3 1
0 . 1
I C 6 7 3
S N 7 4 L V C 1 G 0 4 K - X
7
6
5
VDD
3 . 3 V
GND
0 V
1
2
3
4
I C 6 9 2
R 2 7 2 7
M M 1 5 6 3 D F - X
4 . 3 k
D S P C L K
R 2 7 2 5
4 . 3 k
D S P C O M M A N D
C 2 9 2 6
4 7 0 p
Q 2 7 0 2
K R C 1 0 7 S - X
D S P R E A D Y
Q 2 7 0 1
K R C 1 0 7 S - X
D S P S T A T U S
R 2 7 2 2
R 2 7 2 3
1 k
1 k
T P 1
K 2 8 6 1
R 2 8 6 1
D I G I T A L I N 1
N Q R 0 2 6 9 - 0 0 4 X
2 2 0
R X 0
1
J 6 8 1
Q N N 0 4 8 1 - 0 0 1
C 2 8 8 1
2
0 . 0 1
C 2 8 7 1
X
0
D I G I T A L
C 2 8 6 2
X
T P 2
0 . 1
3 . 3 V
V C C
U N 6 8 2
0 V
R 2 8 7 2
T O R X 1 7 7
G N D
R X 1
1 k
2 . 6 V
O U T
R 2 8 6 2
C 2 8 8 2
3 . 9 k
0 . 0 1
R X - D 3 0 1 , D 3 0 2 O N L Y
D I G I T A L
T P 3
C 2 8 6 3
0 . 1
3 . 3 V
V C C
U N 6 8 3
0 V
R 2 8 7 3
G N D
T O R X 1 7 7
R X 2
1 k
2 . 6 V
O U T
R 2 8 6 3
C 2 8 8 3
0 . 0 1
T P 4
3 . 9 k
C N 6 6 1
U S B I N
R 2 8 7 4
R 2 8 6 4
Q G A 2 5 0 1 F 1 - 0 3
1 k
2 k
R X 4
1
F R O M C N 9 6 1
G N D
C 2 8 8 4
O F L V A 1 0 5 7 7 - 4
2
0 . 0 1
F R O M C N 9 6 1
3 . 3 V
O F L V A 1 0 5 8 4 - 4
3
T P 5
C 2 8 6 7
(SHEET 11)
1
C N 6 6 2
R 2 8 7 5
R 2 8 6 5
Q G A 2 5 0 1 F 1 - 0 5
2 k
1 k
R X 5
1
C 2 8 6 8
C 2 8 6 9
W I R E L E S S U S B I N
1
1
C 2 8 8 5
2
0 . 0 1
3 . 3 V
F R O M C N 1 1
3
O F L V A 1 0 5 7 7 - 6
5 V
4
F R O M C N 1 1
O F L V A 1 0 5 8 4 - 6
R S T
5
(SHEET 5)
R 2 8 6 6
D I G I T A L O U T
2 . 2 k
T X
0 . 1 V
I N
3 . 3 V
U N 6 8 6
V C C
T O T X 1 7 7
R 2 8 7 6
T P 6
G N D
I C 6 6 2
N . I .
C 2 8 6 6
0 . 1
0 V
S N 7 4 A H C 2 G U 0 4 T - X
V D D
R X - D 3 0 1 , D 3 0 2 O N L Y
E P 6 8 1
R 2 9 4 2
0
E 4 0 9 1 8 2 - 0 0 1 S M
R 2 9 4 7
0
R 2 9 5 0
G N D
0
E P 6 8 2
Q N Z 0 1 3 6 - 0 0 1 Z
R 2 6 2 6
1 M
R 2 9 4 8
0
X 6 6 1
R 2 9 4 9
0
R X - D 3 0 1 , D 3 0 2 O N L Y
Q A X 0 7 2 2 - 0 0 1 Z
2 4 . 5 7 6 M H z
R 2 6 2 7
2 2 0
C 2 6 4 2
1 0 0 p
* M A R K L I S T
D 2 0 1 , D 2 0 2
D 3 0 1 , D 3 0 2
R 2 1 8 1
N O N E
U S E
R 2 1 8 2
N O N E
U S E
R 2 1 8 3
U S E
N O N E
R 2 1 8 4
U S E
N O N E
C 2 6 9 2
U S E
N O N E
C 2 6 9 3
U S E
N O N E
D 3 0 1 , D 3 0 2 J , C
O T H E R
P W 6 0 1
U S E
N O N E
I N 2
I N 3
SHEET 10
2-22
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