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U
W
Y
V
X
IC1601
DM-3090 (1/2)
A
B
Q1451
Q1821
Q1822
Q1801
Q1802
Q1803
5ch MOTOR DRIVER
CN1902
5.1V
1.6V
2.5V
1.6V
1.6V
1.6V
1.2V
1.2V
1.7V
1.7V
1.6V
1.6V
2.1V
2.9V
2.6V
2.5V
2.6V
1.6V
2.4V
1.6V
2.6V
1.6V
1.6V
3.1V
1.6V
1.2V
3.7V
1.6V
1.6V
1.6V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
J1950
LR190
74
71
70
12
72
J1963
0
JC196
22P
0
J1720
JC171
22P
C1724
22P
R1708
6.8K
68P
C1917
47
22
0
R1952 47
R1940 220
R1995 0
R1994
R1951 0
R1759 1K
R1758 1K
J1730 0
+
C1661
100u10
L1601
1uH
2.2
C1801
1.8K
R1801
270
R1802
+
C1802
100u10
220K
R1804
100K
R1805
2.2
C1803
270
R1827
24
25
1
5600P
C1657
10K
R1664
23
28
27
22
6.8K
R1669
15K
R1660
0.015
C1655
C1602 1
OUT4
IN4-
IN4+
IN5+
IN5-
OUT5
VM5-
VM5+
VM4-
VM4+
VM3+
VM3-
IN3
Vm2
VBS2
IN3-
OUT3
CH3IN
R1668
6.8K
R1666
22K
22K
R1667
C1654
0.015
R1658
15K
29
28
31
30
35
34
5600P
C1656
10K
R1662
0
R1620
42
41
40
39
38
37
36
NC
35
C1631
1
DSCK
MD-ST
RESET
LOAD SW
BUCKUP
PDOWN
1
2
3
4
14
13
12
11
10
9
8
7
6
5
15
16
17
18
19
20
21
22
23
24
R1454
R1452
R1456
47
R1947
1K
R1939
MUTE
DFSO
DFSI
DADATA
BCLK
LRCLK
ADDATA
SYSCLK
DVDD
DVDD
D.GND
D.GND
D.GND
D.GND
DSTB
MODATA
KDATA
SERCH
5
12
R1466
R1464
R1462
R1458
R1460
R1461
10K
R1459
0.047
C1425
6
34
35
36
21
37
R1733 1K
R1953 47
1uH
L1950
220
220
6.8K
6.8K
6.8K
1K
3.3K
1K
R1463
10K
10K
1.25V
-
+
GND
VM2+
VM2-
OUT2
VREFO
VREF
IN2-
21
20
SS.GND
19
MUTE2
18
MUTE1
17
IN2+
16
15
REG+
REGB
IN1+
VBS1
Vm1
IN1-
OUT1
VM1-
VM1+
GND
34
GND
GND
33
32
30
31
29
2/2
MAIN
-CNW301
2/2
MAIN
-CNP471
28
27
26
24
23
22
25
1
2
3
5
6
8
9
7
4
12
11
10
14
13
)
(
)
(
)
(
)
(
(
)
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
(
)
)
(
)
(
(
)
(
(
)
(
)
)
(
)
(
)
(
)
(
)
Y22-7510-00
DM-3090
CAUTION: For continued safety, replace safe-
ty critical components only with manufacturer's
recommended parts (refer to parts list). indi-
cates safety critical components. For contin-
ued protection against risk of fire, replace only
with same type and rating fuse(s). To reduce
the risk of electric shock, leakage-current or
resistance measurements shall be carried out
(exposed parts are acceptably insulated from
the supply circuit) before the appliance is
returned to the customer.
The DC voltage is an actual reading measured
with a high impedance type voltmeter. The
measurement value may vary depending on
the measuring instruments used or on the
product. Refer to the voltage during RECORD-
ABLE MD PLAY unless otherwise specified;
The value shown in ( ) is the voltage mea-
sured at the moment of STOP. The voltage
followed by (REC) refers to the value during
MD RECORDING.
DM-3090(K)
COVER
97.11.29
0:19
AM
y [ W
20
Содержание DM-3090
Страница 31: ...DM 3090 31 PARTS DESCRIPTIONS ...