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MD-R2H
A
B
L-CH
J101
ANALOG
LINE IN2
R-CH
C102
C120
0.022
0.01
C
D
E
J301
COAXIAL
DIGITAL IN2
D301
MTZJ5.1B
C310
0.022
C315
0.01
F
RX302
G
DIGITAL IN-1
(OPTICAL JACK)
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 43.
1
DIGITAL RECORD SIGNAL
DIGITAL PLAYBACK SIGNAL
C107
R103
1/50
1K
R105
C105
47K
220P
R107
100K
L101
C108
R104
0.22µH
1/50
1K
R108
R106
C106
100K
47K
220P
C119
0.022
IC301
74HCU04
INVERTER
C301
0.01
R302
330
14
3
2 1
1
1 1
VDD
R301
C302
82
0.022
1
2
3
4
R305
R303
56K
220K
C313
0.022
R304
2.7K
7
IC302
GND
74HC10AP6
NAND GATE
8
R307
22K
R309
10K
L302
10µH
C304
0.022
R308
22
L301
R310
10µH
3.3K
C305
C311
3
2
1
3 2 1
0.022
0.022
TX302
DIGITAL OUT
CNP301
2
Figure 30 SCHEMATIC DIAGRAM (1/6)
IC101
NJM4560D
OPE AMP.
R109
1K
C115
+
5
L-CH
47/10
C109
(1/2)
7
220P
8
6
–
+7V
R113
1K
R115
C117
100
R111
100/10
1.5K
C113
47P
IC101
NJM4560D
R110
1K
C116
+
3
47/10
R-CH
C110
1
(2/2)
220P
4
2
–
–7V
R114
1K
R116
100
R112
C118
1.5K
C114
100/10
47P
1
0
9
8
GND
5
6
7
C314
0.022
6
5
4
3
2
1
C470
100P
VDD
2 1
3
14
9
1
0
1 1
1
R313
47K
R312
82K
+B
CNP471
3 2 1
4
24
23 22 21 20 19 18 17 16 15 14 13 12 11 10
CN1904
P35 12 - C
TO MD MAIN PWB
CNW471
P35 12 - F
TO MD MAIN PWB
3
4
– 30 –
ANALOG PLAYBACK SIGNAL
ANALOG RECORD SIGNAL
R414 8.2K
R415 8.2K
R416 8.2K
R401 560
R402 560
R403 560
R404 560
R405 330
R409
220K
R552 39K
C531
R554
0.1
68K
R553 68K
MD +7.5V/+5V
C524
1000/6.3
9 8 7 6 5 4 3 2 1
CN1902
5
R607
1K
(0.6V)
C601
R601
C607
470
47/10
220P
C603
R605
220P
22K
R609
1K
R608
1K
(0.8V)
R602
C602
C608
470
47/10
220P
C604
R606
220P
22K
R610
1K
C202
C203
L201
47/10
47/10
10µH
R418
R417
1K
1K
C20
4.7/2
C212
C201
OS
3.3/16
100/10
C206
1/50
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC201
µUDA1340
AD/DA CONVERTER
15 16 17 18 19 20 21 22 23 24 25 26 27 28
C519
0.022
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CNW472
CNP902
P32 1 - D
TO DISPLAY PWB
6
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