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MD-R2
A
B
L-CH
J101
ANALOG
LINE IN2
R-CH
C102
C120
0.022
0.01
C
D
E
J301
COAXIAL
DIGITAL IN2
D301
R301
MTZJ5.1B
C310
0.022
C315
0.01
F
R307
22K
3
2
1
G
RX302
DIGITAL IN-1
(OPTICAL JACK)
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 43.
1
DIGITAL RECORD SIGNAL
DIGITAL PLAYBACK SIGNAL
C107
R109
R103
1K
1/50
1K
+
5
C109
(1/2)
220P
R105
C105
–
6
47K
220P
R107
100K
R111
1.5K
C113
47P
L101
C108
R104
R110
0.22 H
1/50
1K
1K
3
+
C110
(2/2)
220P
2
R108
–
R106
C106
100K
47K
220P
R112
1.5K
C114
47P
C119
0.022
IC301
74HCU04
INVERTER
C301
0.01
R302
330
14
3
2 1
1
1 1
1
0
9
8
VDD
C302
82
0.022
GND
1
2
3
4
5
6
7
R305
R303
56K
C313
220K
0.022
R304
2.7K
4
3
2
7
6
5
IC302
GND
74HC10AP6
NAND GATE
2 1
8
9
1
0
1 1
1
R309
10K
L302
10 H
C304
0.022
R308
22
L301
R310
10 H
3.3K
C305
C311
3 2 1
0.022
0.022
TX302
DIGITAL OUT
CNP301
3 2 1
4
CN1904
P35 12 - C
TO MD MAIN PWB
2
3
Figure 30 SCHEMATIC DIAGRAM (1/6)
IC101
NJM4560D
OPE AMP.
C115
L-CH
47/10
7
8
+7V
R113
1K
R115
C117
100
100/10
IC101
NJM4560D
C116
47/10
R-CH
1
4
–7V
R114
1K
R116
100
C118
100/10
C314
0.022
1
C470
100P
VDD
3
14
R313
47K
R552 39K
R312
82K
R553 68K
+B
C675
0.001
CNP471
9 8 7 6 5 4 3 2 1
24
23 22 21 20 19 18 17 16 15 14 13 12 11 10
CNS471
CN1902
P35 12 - F
TO MD MAIN PWB
4
– 30 –
ANALOG PLAYBACK SIGNAL
ANALOG RECORD SIGNAL
(0.6V)
R601
C601
47/10
470
(0.8V)
R602
C602
470
47/10
L201
10 H
C201
100/10
14
13
12
11
10
9
IC201
UDA1340
AD/DA CONVERTER
15 16 17 18 19 20 21 22 23 24 25 26 27 28
R414 8.2K
R415 8.2K
R416 8.2K
R401 560
R402 560
R403 560
R404 560
R405 330
R409
220K
C531
R554
0.1
68K
MD +7.5V/+5V
C524
1000/6.3
1
4
5
6
7
8
9
2
3
CNS472
TO DISPLAY PWB
5
R607
1K
C60
220
C603
R605
220P
22K
R60
1K
R608
1K
C60
220P
C604
R606
220P
22K
R61
1K
C202
C203
47/10
47/10
R418
R417
1K
1K
C2
4.7
C212
OS
3.3/16
C206
1/50
8
7
6
5
4
3
2
1
C519
0.022
10
11
12
13
14
15
16
17
18
19
CNP902
P32 1 - D
6
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