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10.2 PANEL CIRCUIT
-19-
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AD2
AD3
AD4
S
EN
1
S
EN
3
+
5V
U
_
T
X
D
1
U
_
R
X
D
U
_
T
X
D
U
_
R
X
D1
SEG
_
38
SEG
_
37
SEG
_
36
SEG
_
35
SEG
_
34
SEG
_
33
SEG
_
32
SEG
_
31
SEG
_
30
SEG
_
29
SEG
_
28
SEG
_
27
SEG
_
26
SEG
_
25
SEG
_
24
SEG
_
23
PTD5
PTD6
PTD7
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
P
T
D
4
P
T
D
3
P
T
D
2
P
T
D
1
SEG40
SEG39
SEG1
SEG2
SEG3
SEG5
SEG6
SEG4
SEG7
SEG9
SEG10
SEG8
SEG11
SEG13
SEG14
SEG12
SEG15
SEG17
SEG18
SEG16
SEG19
SEG21
SEG22
SEG20
SEG
_
1
SEG
_
2
SEG
_
3
SEG
_
5
SEG
_
6
SEG
_
4
SEG
_
7
SEG
_
9
SEG
_
10
SEG
_
8
SEG
_
11
SEG
_
13
SEG
_
14
SEG
_
12
SEG
_
15
SEG
_
17
SEG
_
18
SEG
_
16
SEG
_
19
SEG
_
21
SEG
_
22
SEG
_
20
P
T
G4
P
T
G5
P
T
G6
CO
M
_
01
CO
M
_
02
P
T
G7
CO
M
_
03
CO
M
_
05
CO
M
_
06
CO
M
_
04
CO
M
_
07
CO
M
_
09
CO
M
_
10
CO
M
_
11
CO
M
_
13
CO
M
_
14
CO
M
_
12
CO
M
_
15
SEG
_
39
P
T
G3
P
T
G2
P
T
G1
C
UE
_
LED
R
E
LOOP
_
LED
O
F
F
_
LED
AD4
AD2
AD3
U
_
T
X
D
U
_
R
X
D
P
T
D
7
R
E
TUR
N
1
R
E
TUR
N
3
R
E
TUR
N
4
R
E
TUR
N
2
R
E
TUR
N
5
R
E
TUR
N
7
K
E
Y1
R
E
TUR
N
6
K
E
Y2
U
_
R
X
D0
U
_
T
X
D
0
K EY3
K EY4
K EY5
K EY6
K EY7
OUT
_
LED
SGL
_
LED
B
-
LED
A
-
LED
PLAY
_
LED
LED
_
1
PTD6
PTD5
PTG7
PTG6
PTG5
PTG4
S
EN
2
S
EN
4
U
_
T
X
D
2
U
_
R
X
D2
CO
M
01
CO
M
15
CO
M
13
CO
M
14
CO
M
02
CO
M
05
CO
M
12
CO
M
09
CO
M
06
CO
M
11
CO
M
10
CO
M
04
CO
M
07
CO
M
03
SEG
_
40
RESET
PTG3
PTG2
PTG1
RELAY
_
LED
K
E
Y1
K
E
Y2
K
E
Y3
K
E
Y5
K
E
Y6
K
E
Y7
C
UE
_
1
P
L
AY
_
1
D
VC
C3
3
BKGD
/
MS
RESET
B
KG
D
/
MS
C
UE
_
1
R
E
TUR
N
5
R
E
TUR
N
4
R
E
TUR
N
3
R
E
TUR
N
2
R
E
TUR
N
1
R
E
TUR
N
7
R
E
TUR
N
6
P
L
AY
_
1
C
UE
_
2
P
L
AY
_
2
C
UE
_
2
P
L
AY
_
2
LED
_
1
ON
_
L ED
LED
_
1
ON
_
L ED
DVCC33
G
N
D
G
N
D
+
5V
IN
_
LED
OUT
_
LED
PLAY
_
LED
RELOOP
_
LED
CUE
_
LED
PLAY
_
LED
CUE
_
LED
OUT
_
LED
RELOOP
_
LED
IN
_
LED
A
-
LED
U
_
T
X
D
0
B
-
LED
SGL
_
LED
SGL
_
LED
RESET
G
N
D
G ND
U
_
R
X
D0
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
K
E
Y4
IN
_
LED
RELAY
_
LED
DVCC33
O
N
_
LED
D
VC
C3
3
G
N
D
AD1
S
EN
2
S
EN
1
S
EN
3
S
EN
4
AD1
PTD1
P
T
D
2
P
T
D
3
P
T
D
4
G
N
D
D
5
V
+
D5V
+
D5V
CTN
_
LED
CTN
_
LED1
CTN
_
LED
CTN
_
LED1
OFF
_
LED
OFF
_
LED
SEG
_
2
SEG
_
1
SEG
_
3
SEG
_
5
SEG
_
6
SEG
_
4
SEG
_
9
SEG
_
7
SEG
_
10
SEG
_
8
CO
M
_
09
CO
M
_
11
CO
M
_
10
CO
M
_
15
CO
M
_
14
CO
M
_
12
CO
M
_
13
CO
M
_
01
CO
M
_
02
SEG
_
30
SEG
_
27
SEG
_
29
SEG
_
26
SEG
_
25
SEG
_
28
CO
M
_
03
SEG
_
32
SEG
_
31
CO
M
_
04
SEG
_
34
SEG
_
33
SEG
_
35
CO
M
_
09
CO
M
_
11
CO
M
_
10
CO
M
_
15
CO
M
_
16
CO
M
_
14
CO
M
_
15
CO
M
_
05
CO
M
_
14
CO
M
_
13
CO
M
_
10
CO
M
_
12
CO
M
_
09
CO
M
_
11
CO
M
_
06
CO
M
_
16
CO
M
_
07
CO
M
_
15
CO
M
_
14
CO
M
_
13
CO
M
_
10
CO
M
_
12
CO
M
_
09
CO
M
_
11
SEG
_
11
SEG
_
18
SEG
_
17
SEG
_
16
SEG
_
14
SEG
_
13
SEG
_
15
SEG
_
12
SEG
_
40
SEG
_
2
CO
M
_
12
SEG
_
1
SEG
_
3
SEG
_
5
SEG
_
6
SEG
_
4
SEG
_
9
SEG
_
7
SEG
_
10
SEG
_
8
SEG
_
13
CO
M
_
13
SEG
_
14
SEG
_
11
SEG
_
17
SEG
_
15
SEG
_
12
SEG
_
18
SEG
_
19
SEG
_
16
SEG
_
23
SEG
_
25
SEG
_
26
SEG
_
24
SEG
_
27
SEG
_
29
SEG
_
30
SEG
_
28
SEG
_
31
SEG
_
33
SEG
_
34
SEG
_
32
SEG
_
35
SEG
_
37
SEG
_
38
SEG
_
36
SEG
_
39
SEG
_
21
SEG
_
22
SEG
_
20
SEG
_
24
SEG
_
21
SEG
_
23
SEG
_
20
SEG
_
19
SEG
_
22
SEG2
SEG1
SEG3
SEG5
SEG6
SEG4
SEG9
SEG7
SEG10
SEG8
CO
M
09
CO
M
11
CO
M
10
CO
M
15
CO
M
14
CO
M
12
CO
M
13
CO
M
01
CO
M
02
SEG30
SEG27
SEG29
SEG26
SEG25
SEG28
CO
M
03
SEG32
SEG31
CO
M
04
SEG34
SEG33
SEG35
CO
M
09
CO
M
11
CO
M
10
CO
M
15
CO
M
16
CO
M
14
CO
M
15
CO
M
05
CO
M
14
CO
M
13
CO
M
10
CO
M
12
CO
M
09
CO
M
11
CO
M
06
CO
M
16
CO
M
07
CO
M
15
CO
M
14
CO
M
13
CO
M
10
CO
M
12
CO
M
09
CO
M
11
SEG11
SEG18
SEG17
SEG16
SEG14
SEG13
SEG15
SEG12
SEG40
SEG2
CO
M
12
SEG1
SEG3
SEG5
SEG6
SEG4
SEG9
SEG7
SEG10
SEG8
SEG13
CO
M
13
SEG14
SEG11
SEG17
SEG15
SEG12
SEG18
SEG19
SEG16
SEG23
SEG25
SEG26
SEG24
SEG27
SEG29
SEG30
SEG28
SEG31
SEG33
SEG34
SEG32
SEG35
SEG37
SEG38
SEG36
SEG39
SEG21
SEG22
SEG20
SEG24
SEG21
SEG23
SEG20
SEG19
SEG22
CO
M
_
16
CO
M
16
A
V
C
C3
3
A
V
C
C3
3
A
VC
C3
3
A
V
C
C3
3
+
D5
V
+
D5V
+
D5V
+
D5
V
D
VC
C3
3
D
VC
C3
3
D
V
C
C3
3
+
D5
V
A
V
C
C3
3
D
V
C
C3
3
D
VC
C3
3
D
VC
C3
3
A
V
C
C3
3
A
V
C
33
D
V
C
3
3
A
V
C
3
3
D
VC
3
3
D
VC
C3
3
D
VC
C3
3
+
D5
V
U
-
TXD
1
与
U
-
RXD
1
对换
U
-
TXD
1
与
U
-
RXD
1
对换
L
QFP
C
N
4
2
P
IN
-
2
.
0
1
2
K46
OUT1
R53
20K
R17
75K
R2
2K2
L
ED
28
R
E
LO
OP
L
ED
12
O
N
/
O
F
F
1
2
3
R67
1K
C3
33P
C13
101
K45
S
EAR
CH
+
1
X
1
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470E
S
EN
2
A
1
3
4
2
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PL
/
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A
R88 100E
Q9
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SC
8
550
1
2
3
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104
C25
104
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103
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8050
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3
2
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101
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IT
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H
2
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8550
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2
3
+
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D
4
2
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/
6
V
3
R97
1K
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B
P
M
/
T
A
P
1
R102
330E
B
07
029M
(
P
)
-
204
L
C
D1
S
EG9
5
6
S
EG8
5
5
S
EG7
5
4
S
EG6
5
3
S
EG5
5
2
S
EG4
5
1
S
EG3
5
0
S
EG2
4
9
S
EG40
4
7
S
EG39
4
6
S
EG38
4
5
S
EG37
4
4
S
EG36
4
3
S
EG35
4
2
S
EG34
4
1
S
EG33
4
0
S
EG32
3
9
S
EG31
3
8
S
EG30
3
7
S
EG29
3
6
S
EG28
3
5
S
EG27
3
4
S
EG15
6
9
S
EG16
7
0
S
EG17
7
1
S
EG18
7
2
CO
M
9
7
3
CO
M
1
0
7
4
CO
M
1
1
7
5
CO
M
1
2
7
6
CO
M
1
3
7
7
CO
M
1
4
7
8
CO
M
1
5
7
9
CO
M
1
6
8
0
S
EG19
8
1
S
EG20
8
2
S
EG21
8
3
S
EG22
8
4
S
EG26
3
3
S
EG25
3
2
S
EG24
3
1
S
EG23
3
0
S
EG22
2
9
S
EG21
2
8
S
EG20
2
7
S
EG19
2
6
S
EG18
2
5
S
EG17
2
4
S
EG16
2
3
S
EG15
2
2
S
EG14
2
1
S
EG13
2
0
S
EG12
1
9
S
EG11
1
8
S
EG1
4
8
S
EG10
1
7
CO
M
1
4
5
9
CO
M
1
3
6
0
CO
M
1
2
6
1
CO
M
1
1
6
2
CO
M
1
0
6
3
CO
M
9
6
4
S
EG11
6
5
S
EG12
6
6
S
EG13
6
7
S
EG14
6
8
S
EG9
1
6
S
EG8
1
5
S
EG7
1
4
S
EG6
1
3
S
EG5
1
2
S
EG4
1
1
S
EG3
1
0
S
EG2
9
S
EG1
8
CO
M
7
7
CO
M
6
6
CO
M
5
5
CO
M
4
4
CO
M
3
3
CO
M
2
2
CO
M
1
1
S
EG23
8
5
S
EG24
8
6
CO
M
9
8
7
CO
M
1
0
8
8
CO
M
1
1
8
9
CO
M
1
2
9
0
CO
M
1
3
9
1
CO
M
1
4
9
2
CO
M
1
5
9
3
S
EG25
9
4
S
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9
5
S
EG27
9
6
S
EG28
9
7
S
EG29
9
8
S
EG30
9
9
S
EG31
1
00
S
EG32
1
01
CO
M
1
6
1
02
CO
M
1
5
1
03
CO
M
1
4
1
04
CO
M
1
3
1
05
CO
M
1
2
1
06
CO
M
1
1
1
07
CO
M
1
0
1
08
CO
M
9
1
09
S
EG33
1
10
S
EG34
1
11
S
EG35
1
12
S
EG10
5
7
CO
M
1
5
5
8
D4
IN
4
148
R68 470E
LED10
C
U
E
LED5
IN
L
ED
21
OUT
R101
10K
R72
1K
R39
330E
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2K2
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E
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1
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7
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5
5
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ED
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P
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4
148
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1
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M
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11
1
7
(
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)
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3
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t
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AY
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4
1
48
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ED
18
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GL
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ED
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EN
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8
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IN
4
148
S
E
N
1
A
1
3
4
2
Q11
2
SC
8550
1
2
3
R46
10K
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103
C
N
7
2
P
IN
-
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.
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19
IN
D6
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4
148
R3
2K2
Summary of Contents for CDN450
Page 5: ...SERVICE MANUAL Professional CD MP3 player CDN 450 Version 1 2...
Page 11: ...3 BLOCK DIAGRAM 5...
Page 12: ...4 PACKING VIEW 6...
Page 14: ...6 POINTTOPOINTWIRING DIAGRAM 8...
Page 15: ...7 EXPLODEDVIEW 9...
Page 28: ...11 PRINTED CIRCUIT BOARD DIAGRAM 11 1 MAIN LAYOUT 22...
Page 29: ...11 2 PANEL LAYOUT 23...
Page 30: ...11 3 POWER LAYOUT 24...
Page 43: ...12 14 MC9S08GBXX 37...