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A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
A
IC901
C0HBB0000030
FL DRIVE
FL901(A2BC00000048)
FL DISPLAY
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
DIG1
1
DIG10
DIG9
DIG8
DIG7
DIG6
DIG5
DIG4
DIG3
DIG2
DIG1
DIG0
RESET
CS
SCK
S
D
ATA
P1
P0
Vcc1
XOUT
XIN
Vss
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
VP
SEG36/
DIG12
SEG37/
DIG13
SEG38/
DIG14
SEG39/
DIG15
Vcc2
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
1 2
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
46 47
44 45
48 49 50 51 52 53 54 55 56
59 60
12
2
1
3
4
5
6
7
8
9
10
11
C904
25V22
C903
25V22
C902
25V22
C901
25V22
2
1
3
4
5
6
7
8
9
10
A B C D E F G H I
J K L M
N O P Q R S T U V W X Y Z a b d e
f
g h
i
j
k m
A B C D E F G H I
J K L M
VR901
(VOLUME)
1
7
3
2
4 5 6
D902
MA1
1
1TX
3
2
1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
7
3
2
4 5 6
Z901
B3RAD0000035
REMOTE SENSOR
3
2
1
2
3
4
5
6
7
1
B
Q903
XN0450100L
LED DRIVE
CN901
CN902
Q904
UN521MTX
LED DRIVE
L
D903
SELS5923C
(
PLA
Y/
REC)
R913
560
R922
100
F
CN903
D
G
R920
100
M
A
R901
22K
C907
0.1
D901
MA111TX
K
J
I
H
N
B
C
E
D906
MAZ80510LL
R918
150
R917
150
D.GND
HP.GND
D.GND2
C912
56P
R906
33K
R904
3.3K
C913
56P
R907
33K
R903
3.3K
C914
56P
R908
33K
R902
3.3K
C910
39P
R905
27K
C906
0.01
C905
10V4.7
Q901
UN521MTX
FL DRIVE
R921
100
R919
100K
C908
0.01
C91
1
0.01
C909
6.3V100
A
B
C
d
U
V
W
X
Y
Z
a
b
N
O
P
Q
R
S
T
D
E
F
G
H
I
J
K
L
M
m
k
j
i
h
g
f
e
L
K
A
B
C
D
E
F
G
H
I
J
M
R910
820
S902
(SELECT)
S901
(POWER)
R912
330
R909
100
R911
270
D904
SELS5923C
(SELECT)
D905
B3AGA0000079
(PWR
/
)
CN904
C918
0.047
C917
0.047
C916
0.01
12
2
1
3
4
5
6
7
8
9
10
11
2
1
3
4
5
6
7
8
9
10
C
Rch
Lch
Rch
Lch
Rch
Lch
CN901
CN902
R306
12K
C308
0.01
C309
0.01
C304
100P
R308
3.3K
R305
12K
C303
100P
R307
3.3K
R304
1K
C302
100P
R303
1K
C301
100P
R310
12K
C306
100P
R312
3.3K
R309
12K
C305
100P
R31
1
3.3K
R302
100K
R301
100K
C307
0.01
JK301
JK301
JK301
IC202
NJM4558MTE1
BUFFER AMP
4
3
2
1
8
7
6
5
CK
DATA
ST
Vss
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NC
NC
V
EE
V
DD
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
IC201
NJU7313AMT2
SIGNAL SELECTOR
R208
82K
C204
330P
C206
33P
R206
27K
R204
56K
C202
330P
R202
2.2K
C205
33P
C203
330P
R201
2.2K
C201
330P
R203
56K
R207
82K
C207
50V4.7
R209
2.2K
R215
5.6K
A
B
C
D
E
F
A
B
C
D
E
F
C213
47P
R211
2.2K
C210
0.01
C215
0.1
G
H
I
J
E
D
C
C
D
E
F
G
H
J
K
L
M
N
C208
50V4.7
R210
2.2K
R212
2.2K
R214
2.2K
R213
2.2K
A
B
C
D
E
O
P
R217
4.7K
R218
4.7K
C212
47P
C21
1
47P
Q
R
S
F
K
L
M
R219
4.7K
A B
N
C214
0.1
C358
0.1
RJ44
0
RJ43
0
R216
5.6K
R205
27K
C209
0.01
RJ49
0
RJ5
0
HEADPHONE CIRCUIT
SCHEMATIC DIAGRAM-1
FL CIRCUIT
MAIN CIRCUIT
SA-DT300(E,EB,EG) FL,HEADPHONE,MAIN CIRCUIT DIAGRAM
A
C542
16V10
L542
R546
10K
C546
6.3V47
C541
1000P
R542
1K
R544
1K
A
B
C
C550
47P
X541
(4.33MHz)
C549
47P
L543
R543
1K
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
XI
N
VssD
MODE
RST
D
ATA
CLK
RDY
V
DD
D
X
OUT
TEST
CI
N
FL
OUT
VssA
V
DD
A
VREF
MPX
IN
C545
560P
C544
6.3V47
R549
1K
D541
MA8051MTX
C547
1000P
C548
0.01
R545
1K
C543
330P
R541
120
L541
A
B
IN
OUT
VCR(EXT)
TV IN
JK901
HEADPHONE
R839
10K
A
RJ504
0
RJ503
0
RJ502
0
C920
0.1
RJ601
0
RJ501
0
IC541
C1BB00000527
RDS SIGNAL DEMODULATOR
0V
0V
0V
0V
0V
0V
5.9V
-6.2V
-6.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5.9V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
-
27.6V
4.2V
3.4V
3.7V
2.6V
4.3V
1.9V
1.9V
-
23V
-
13.6V
-
13.6V
-
16V
-
25.4V
-
18.3V
-
30V
-
25.3V
-
30.5V
-
18.3V
-
23V
-
18.3V
-
27.7V
-
18.3V
-
18.3V
-
20.6V
-
25.2V
-
25.2V
-
25.2V
-
30V
-
20.6V
-
25.4V
-
30V
-
27.8V
-
30V
-
23V
-
25.4V
-
30V
-
27.8V
-
30.1V
-
23V
-
25.4V
-
20.7V
-
20.7V
-
20.7V
-
25.4V
4.2V
-
30.1V
-
27.8V
-
30.1V
5V
3.7V
4.4V
0.3V
5.2V
0V
0V
5.2V
0V
-27.8V
-27.9V
4.2V
0V
5V
T
7ms.
-30V
STOP/ PLAY
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
2.6V
2.6V
5.2V
2.6V
2.6V
2.7V
2.5V
0V
0V
0V
0.3V
5.2V
5.2V
-
27.8V
0V
5V
T
7ms.
-30V
STOP/ PLAY
0.5
s. 2V/DIV.
STOP/ PLAY
4.6V
0V
0.9V
P-P
0.5
s. 0.5V/DIV.
STOP/ PLAY
Содержание SA-DT300E
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