Kenwood DM-3090 Service Manual page 38

Z
MAIN SECTION
1
2
(AUDIO)
J101A
MM: 2.5mV R103
1K
Lch 1
LINE REC IN
R104
3
1K
Rch 2
J301
DIGITAL
COAX.
2 REC IN
4
C313
0.022
5
MD-UNIT
-CN1904
6
1/2
A
MD-UNIT
-CN1902
1/2
3 2 1
B
1 REC IN
7
AA
IC101
C107 R109 (1/2)
Iu50 1K
5
+ 7
+
C109
6
-
220P
R113
7.7V
8
1K
C113
47P
+7V
+
IC101
C108 R110
(2/2)
Iu50 1K
3
+ 1
+
C110
2
-
220P
R114
-7.9V
4
1K
C114
47P
-7V
L101
+
0.22uH
+5V +5V
IC301
C301 R302
0.01 330
2.7V 1
2.7V 2
2.5V 3
3.9V
4
5
5.1V 6
7
GND
C302
COAX/OPT
0.022
DIGITAL
INPUT SEL
C303
0.022
+5V +5V
L301
C304 10uH
0.022
RX302 TX302
3 2 1
PLAY OUT
DIGITAL
OPT.
AB
C115
47u10
+
R115
100
+7V
C116
47u10
+
14 5.2V
VDD
C314
0.022
13 3.9V
R415
8.2K
12
R416
8.2K
11 5.2V
10
9
8 5.1V
R414
8.2K
IC302
DIGITAL
REC IN
+5V
+5V
R308 22
R310
3.3K
DIGITAL
OUT
4 3 2 1
CNP301
A
AC
R116
100
L201
C201
10uH
100u10
+BV
+
+
+ +
+
IC201
A/D D/A
CONVERTER
DIGITAL
OUT
DIGITAL
REC OUT
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
B
AD
-7V
+
+ +
+7.5V
+5V
9 8 7 6 5