Kenwood DM-3090 Service Manual

CN1902
Q1820
Q1251
L1251
D1251
CN1252
C1252
R1251
C1251
Q1252
D1252
CN1602
C1700
R1702
R1714
C1702
R1713
R1701
C1701
C1711
IC1701
L1702
L1701
C1717
C1720
R1715
Q1701
R1717
R1711
R1710
R1712
R1807
C1716
C1709
C1810
R1806
Q1804
R1811
R1810
Q1806
C1704
C1460
R1735
R1734
R1707
R1708
R1733 R1731 R1994 R1995
CJ172
C1729
C1724 C1722
L1950
LR190
R1461
R1463
C1425
R1459
Q1822
R1939
R1827
R1466 R1464 R1462 R1460 R1458 R1454 R1452 R1456
C1904
Q1451
Q1821
Q1404
Q1403
C1927
J1921
IC1251
R1252
Q1254
Q1253
R1253
C1255
C1254
R1223
R1967
R1969
R1968
R1964
IC1916
IC1202
C1206
IC1906
IC1907
C1964
C1958
R1965
C1951
R1971
R1409
IC1990
C1954
R1963
R1962
C1955
C1990
D1990
C1953
C1992
R1961
C1952
CN1603
L1601
R1668
R1669
R1617
Q1601
R1609
R1612
R1611
C1604
R1610
R1614
R1613
C1610
XL1201
C1207
RC120
C1203
R1202
C1205
R1201
C1204
R1261
R1262
R1263
R1266
R1255
R1221
R1269
C1210
L1203
R1471
C1424
R1107
C1101
R1106
C1145
R1166
C1211
C1202
R1100
L1102
L1201
C1209
R1210
R1211
C1208
CN1101
IC1201
MD MAIN PWB – A (FRONT)
1
24
28
15
14
105
20
25
1
17
8
14
1
2
1
7
8
14
1
8
916
1
7
8
14
1
3
4
5
1
5
6
10
11
15
16
20
1
28
1
5
10
15
20
25
26
30
35
40
45
50
51
55
60
65
70
75
76
80
85
90
95
100
1
2
1
2
32
A B DC E
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD
(
Component side view
)
DM-3090(K) COVER 97.11.29 0:19 AM y[W 21

Kenwood DM-3090 Specifications

Digital Audio Performance

frequency response (playback mode)	8 Hz ~ 20 kHz, ± 1 dB
signal to noise ratio (playback mode)	More than 100 dB
wow & flutter	Less than unmeasurable limit

Analog Specifications

analog input sensitivity / input impedance	0.5V / 22 kΩ or more
analog output level/output impedance	2.0 V / Less than 2 kΩ
headphone output	15 mW/32 Ω load

Digital Input/Output

digital input coaxial	0.5 Vp-p / 75 Ω
digital input optical	- 15 dBm ~ - 21 dBm
digital output optical	- 15 dBm ~ - 21 dBm

General Specifications

power consumption	17 W
dimensions width	440 mm (17 - 5 / 16”)
dimensions height	94 mm (3 - 11 / 16”)
dimensions depth	300 mm (11 - 13 / 16”)

Weight

weight	3.55 kg (7.9 lb)