Teac CX-225iDAB Service Manual page 20

CX-225iDAB/MC-DX450iDAB
1 2
A
A U D R R 2 6 3 0
D A B _ R
S H E E T 0
A U D L R 2 6 4 0
D A B L _
A _ G N D
A U D _ S D O U T 0
A U D _ S C L K C N 1 8
D A B M O D U L E
A U D _ S F R
D A B a P t r
1 1 2 . V
A U D _ M C L K
2 3 3 . V
S P _ I S C L K
3 G N D
S P _ I M O I S
V E N C I E 5
4 G N D
S P _ I M S I O
1 3 S C P 2 D A T A
S P / D F I O U T
M C D - X 0 4 D A B
1 4 S C P 2 C L K
S Y S _ R E S E T
M C D - X 4 0 5 D i A
2 9 A U D L _
G I P O A 1 4
3 0 A U D _ R C X 2 - 5 2 D i A B n o
S P C I S 2
* O h t r e P N I : N C .
S 1 D O U T
S 1 D N I
B
S C P 2 C L K
R 2 6 5 1 0 0
S C P 2 D A T A R 2 6 6 1 0 0
G I P O B 1 0
G I P O B 4
C I P O A 1 2
C I P O B 1
C I P O C 1 5
G I P O A 5
G I P O _ B 1 1
G I P O C 1 4
+ D A B 3 3 . V
G N D
G N D
G N D
3 3 . V
1 2 . V
+ D A B 1 2 . V
1 2 . V
C I 2 6
G N D
2 3
O t u n I
Q 2 0 2
C
1
G N D
G N D G N D G N D
+ T U N E R 3 3 . V
C N 1 9
R 2 6 7
R D I S G N D
I C I
R 2 6 8 0 3 3
V E X
R 2 6 9 0
L A R 2 7 0
3 3
2 I C _ D A T A
R 2 7 1 3 3
2 I C _ C L K
R 2 7 2
3 3
V C C
D C 5 5 4
T U R -
T U N E R _ R
A G N D
1 u F
S H E E T 0
C 5 5 7
T U L -
T U N E R L _
A G N D 1 u F
P I O D
F M A / M
+ S T 3 3 . V
G N D 1 P I O D _ D
C N 1 9
T U N E R a P t r 2 P I O T _ R
T U N E R M O D U L E
3 G N D
1 R D I S M C D - X 0 4 n o y l
4 P I O D L _
2 I C I
5
G N D
3 V E X
P I O D _ C
6
F M
4 L A
7 P I O D _ S
5 2 I C _ D A T A T U N E R a P t r
8 P I O D _ S
6
2 I C _ C L K
9 G N D
7 V C C 3 ( 3 . ) V
M C D - X 0 4 D A B 1 0 + 5 V
8 T U _ R
P I O D _ R
M C D - X 4 0 5 D i A B 1 1
9 A G N D
P I O D _ T
1 2
C X 2 - 5 2 D i A B n o y l
1 0 T U L _
1 3 K E Y 1
E
MAIN PCB
3
M C
+ S T 3 3 . V
Q 2 0 1
A 1 0 7 S
R 2 9 0
4
1 0 0
D 2 0 1
1 S S 3 5 5 T
+ S T 3 3 .
0 . G N D G N D G N D G N D
B
y l
D A B _ C L K
D A B _ D A
7 5 7 4 7 3 7 2
7 6 N C .
R 2 4 5 0
D A B _ C L K
7 7 D A B _ C L K
B O O T
7 8 B O O T M O D E
G N D
7 9
D A B _ D A R 2 4 7
0
8 0 D A B _ D A
+ M A N I 5 V
8 1 N C .
8 2 N C .
L A
C I 2 7
8 3 L A
3 3 . V
T U N E R _ C L K R 2 4 4 3 3
8 4 T U N E R _ C L K
T U N E R _ D A T A R 2 4 3 3 3
8 5 T U N E R _ D A T A
2 3 D I M M E R _ S W 1
O t u n I
8 6 N C .
D I M M E R _ S W 2
8 7 N C .
+ S T 3 3 . V
1 8 8 N C .
8 9 D V C C
9 0
N C .
9 1 D V S S
K E Y 0
G N D
G N D 9 2 K E Y 0
K E Y 1
9 3 K E Y 1
R 2 4 9
9 4 N C .
2 2 K
9 5 N C .
N C .
9 6
9 7 N C .
R 2 5 0 2 2 K
9 8
O P I T O N
9 9
R 2 5 1 1 0 K
1 0 0
V R E F H
C 2 1 2
1 2 3 4
0 1 . u F
+ T U N E R 3 3 . V
R D I S
< O P I T O N R E S > .
V e s r o i n R 2 5 2 V O L T A G E
L A
1 8 . K 0 5 . V
M C D - X 4 0 E U R
T U N E R _ D A T A M C D - X 4 0 D A B 4 7 . K 1 V
M C D - X 4 5 D i A B 8 2 . K 1 5 . V
T U N E R _ C L K C X 2 - 2 5 D i A B 8 2 . K 1 5 . V
P I O D _ D E T
4
P I O D I V D E O O U T
C N 2 2
1 2 3 4 5
E T
C H
C H
G N D
V B S
C -
+ A C C 5 V
Y -
X
X
G N D
1 3 1 1 9 7 5 3 1 G
G N D
1 2 3 4 5 6 7
1 2 1 0 8 6 4 2
C X 2 1
C N 2 1
U S B B
1 V O U T
2 G N D
U S B B D '
3 D +
P I O D B D '
4 G N D
7 P W A F E R C A B L E
5 - D
1 5 P F F C C A B L E
6 G N D
7 K E Y 1
4 5
U / T U N E R / D A B P A R T
+ S
S H E E T 0 1
S H E E T 0 1
+ M C U 3 3 . V
R 4 6 7 3 3
R 4 6 8 3 3
V
R 2 4 1 + S T 3 3 . V
G N D
C I 2 5 A D
N C .
S G I N A L S T A
M O D E 1 M O
1
1
7 1 7 0 6 9 6 8 6 7 6 6 6 5 6 4 6 3 6 2 6 1 6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 1
E E P R O M _ C L K
R 2 3 1 3 3
5 0
E E P R O M _ D A T A R 2 3 0 3 3
4 9
N C .
4 8
4 7
R 2 2 8 3 3
F _ V _ D A T A 4 6
R 2 2 7 3 3
F _ V _ C L K 4 5
R 2 2 6 3 3
F _ V L _ A T C H 4 4
N C . 4 3
C I 2 1
R 2 5 3
0
L C D _ S C L 4 2
C V T I 5 C C 1
R 2 2 4 0
L C D _ C S B 4 1
R 2 5 4
0
L C D _ I S 4 0
R 2 2 3 0
L C D _ R E S E T 3 9
R 2 7 4 0
L C D _ R S 3 8
3 7
M C U 2 5 6 K
R 2 0 1 3 3
R D I S 3 6
R 2 2 2
R E M O T E _ N I 3 5
3 3
N C . 3 4
N C . 3 3
X T _ O U T
G N D
X T 2 3 2
X T _ N I
X T 1 3 1
R E S E T
3 0
D V C C
2 9
- X N I
2 8
C 2 0 3
D V S S
2 7
- X O U T
0 1 . u F
2 6
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 9 9
0 1 . u F
C 3 0 0
0 1 . u F
G N D
R 2 1 9
1 K
S H E E T 0 4
S H E E T 0 3
+ A C C 5 V
C U R R E N T I L M T I
+ S T 3 3 . V
R 3 2 5 1 0 0 K
G
C U R R E N T I L M T I C I
3 4
L F G V N I
5 V O U T E N 1
G N D
2
C I 3 3
G N D
G N D
N D G N D
2 4
1 3 5
D '
5 ( ) V
T Y P E 0 2
M C U U P D A
7 P F F C C A
6 7
M C D - X 4 5 0 D i A B C / X 2 - 2 5 D i A B o n y l
A P L P E
+ M C U 3 3 . V
A U T H E N T C I A I T O N
C 1 2 5
T 3 3 . V V r e 2 . 0 . b
N C . G N D
L C D _ R S
C I 2 5
+ M C U 3 3 . V
V C C
G N D
R 2 5 6
2 I C _ S C L n R E S E T
L C D _ R E S E T
2 I C _ S D A 0
M O D E 0 M O D E 1
G N D
L C D _ C S B R 2 5 7 0
L C D _ I S R 2 5 8 0
C V C I P V 1 1 2 P I O D 2 0 B
0
G N D L C D _ S C L R 2 5 9
G N D
D R E S S O P I T O N
+ S T 3 3 . V
T U S 2 I C A D D R E S S
+ S T 3 3 . V
+ S T 3 3 . V
D E 0 W R T I E R E A D
C I 2 2
Q 2 0 3
0 0 2 x 0 0 2 x 1 E E P R O M 2 K
A 1 0 7 S
1 0 2 x 2 0 2 x 3
V C C A 0
D M I M E R _ S W 1
W P A 1 D 2 0 2
C V D 1 S S 3 5 5
G N D
+ M A N I 5 V
S C L A 2 B A C K L G I H T
C I 2 8
P O W E R
C V K I A I 7 8 R 3 3 F
S D A G N D 1 3
F _ V _ D A T A E E P R O M 2 K 2 S p e i c c i f C I
G N D
S H E E T 0 4 4
F _ V _ C L K 5
F _ V L _ A T C H + S T 3 3 . V
G N D
L C D _ S C L
S W 1 S W 2
L C D _ C S B G N D
H H
L C D _ I S
D M I M E R _ S W 2
L
L
L C D _ R E S E T
H L
L C D _ R S K E Y 0
K E Y 1
R D I S R D I S
R E M O T E _ N I R E M O T E _ N I
C 2 0 7
1 2 P
G N D
C 2 0 6
S I P _ M O D E
1 2 P
X T ' A L 3 2 7 . 6 8 K H z
2 2 P
E X T _ R O
C 2 0 5
Q 6 0 5
K R C 1 0 7 S
0 2 2 P
U S B _ U P D A T E
R 2 2 5
C 2 0 4
X T ' A L 2 7 M H z
G N D
G N D
C I 2 4 R H 5 V T 1 8 C
+ S T 3 3 . V
1 2 3
G N D
1 8 . V R E S E T
C D _ O P E N _ S W
R E M O T E _ N I
N D
C D _ C L O S E _ S W
6
7
C N 2 3
C N 2 3
M C U U P D A T E
1 G N D
2 R E S E T
V C C 3 ( 3 . ) V
3
4 G N D
T E
5 R X
B L E 6 T X
CX-225iDAB/MC-DX450iDAB
7 B O O T
Micro Hi-Fi System
8
+ S T 5 V
L C D M O D U L E
R E S E T
1 3 P F F C C A B L E
V S S
V D D
C S B
I S
S C L
R S
+ S T 5 V
C 1 P
C 2 1 5
C 1 N
1 u F
V _ N I
C X 2 2
C 2 5 8 V _ O U T
2 2 . 5 / 0 V L C D
A
1 R E S E T
K
2 V S S
3 G N D
C S B
G N D 4
T
5 I S
6 S C L
7 R S
8 C 1 P
9 C 1 N
1 0 V _ N I
1 1 V _ O U T
1 2 A
G N D
1 3 K
+ S T 3 3 . V
+ S T 3 3 . V
K E Y P A D B D '
K E Y 0
5 P W A F E R
C N 1 4
K E Y 1
K E Y P A D
1 G N D
G N D
2
G N D
G N D
K E Y 1
3
4 K E Y 0
5 + S T 3 3 . V
G N D
L E D / O P S W B D '
5 P W A F E R
M
G N D
O P E N S - W
C N 1 7
M G N D
S E N S O R
1
M G N D
M G N D
G N D 2 O P E N _ S W
3 G N D
S E N S O R C / L B D '
3 P W A F E R
+ S T 3 3 . V
3 3 . V B N 2 0
S E N S O R
G N D
+ S T 3 3 . V
1
R E M O T E _ N I 2 G N D
3 R E M O T E _ N I
C L O S E S - W
4 C L O S E _ S W
M G N D 5 M G N D
G N D
M G N D