DSR-50/50P
4-61
4-62
DI-73 (AUDIO A/D, D/A CONVERTER) SCHEMATIC DIAGRAM
• See page 4-47 for DI-73 printed wiring board.
AUDIO A/D, D/A CONVERTER
DI-73 (6/9)
NO MARK:REC/PB MODE
*
:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
2.5
5
2.5
2.5
2.5
2.5
2.8
0
2.5
2.5
2.5
2.5
2.8
2.3
5
5
2.8
0.8
1.5
1.4
*
*
2.5
2.3
2.8
2.5
1.5
2.5
1.4
2.5
*
2.8
2.5
2.5
5
0.8
5
2.5
2.8
*
0
5
2.5
2.5
0
0
0
5
0
-4.9
0
0
0
0
0
0
-4.9
0
5
0
2.8
2.5
4.9
0
-0.2
-0.3
4.9
5
-0.2
0
4V
22u
C7061
470
R7106
4700
R7128
4700
R7139
4V
22u
C7060
BCK
220
R7144
470
R7105
470
R7112
1500
R7145
470
R7108
470
R7110
470
R7109
4700
R7130
+2.8V
0.1u
C7047
GND
XPD_DA1
4V
22u
C7059
220
R7143
LRCK
4700
R7129
16V
6.8u
C7045
0.1u
C7052
4700
R7146
6.3V
4.7u
C7054
SOD
1500
R7135
0.1u
C7046
XPD_DA2
0.1u
C7041
4700
R7127
16V
6.8u
C7039
DEM1
680p
C7069
4700
R7140
1500
R7138
470
R7107
4700
R7126
4700p
C7066
680p
C7065
4700
R7124
A.+5V
DEM0
6.3V
4.7u
C7050
680p
C7064
16V
6.8u
C7042
16V
6.8u
C7038
680p
C7068
220
R7131
4700p
C7062
4700p
C7063
470
R7111
0.1u
C7056
0.1u
C7040
220
R7134
100
R7153
A.-5V
100
R7150
100
R7151
XPD_AD1
XPD_AD2
4V
22u
C7058
SIB
MCK
SIA
SOC
AU_CH1_OUT
AU_CH2_OUT
AU_CH3_OUT
AU_CH4_OUT
AU_GND1_OUT
AU_GND2_OUT
AU_GND4_OUT
AU_GND3_OUT
0
R7116
0
R7115
0
R7120
0
R7122
AUDIO_GND
100
R7152
220
R7123
220
R7125
4700
R7137
4700
R7133
4700
R7136
2SC4081T106R
Q7008
2SA1576A
-T106-R
Q7007
47k
R7149
100k
R7148
100k
R7147
DA_CH3/4_ON
4700
R7132
4700
R7201
4700
R7202
MA132WK-TX
D7301
10k
R7301
10uH
L7301
10uH
L7302
MA132WK-TX
D7302
10k
R7302
4V
22u
C7305
4700
R7304
220
R7303
C7306
680p
1500
R7307
4V
22u
C7307
4700
R7308
1500
R7309
C7308
680p
220
R7310
AK4528VF-E2
IC7016
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
NJM3414AV(TE2)
IC7020
1
2
3
4
5
6
7
8
AK4528VF-E2
IC7018
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
NJM3414AV(TE2)
IC7021
1
2
3
4
5
6
7
8
2SC3326N
-TE85L-B
Q7005
2SC3326N
-TE85L-B
Q7004
47k
R7403
100k
R7404
4V
22u
C7401
1500
R7406
4700p
C7067
1500
R7405
680p
C7403
680p
C7404
4V
22u
C7402
1500
R7407
4700
R7408
2.2u
C7405
1
A
15-2
GND
13-2
15-1
A.+5V
AUDIO_GND
13-1
A.+5V
15-4
GND
A.-5V
13-4
15-3
AUDIO_GND
13-3
2200p
C7043
2200p
C7044
0.1u
C7051
0.1u
C7301
10V
10u
C7302
10V
10u
C7053
2200p
C7048
2200p
C7049
0.1u
C7055
0.1u
C7303
10V
10u
C7304
10V
10u
C7057
16V
6.8u
C7101
10V
10u
C7100
LRCK
BCK
A.DA_DATA2
A.AD_DATA2
LRCK
BCK
A.AD_DATA1
A.DA_DATA1
XPD_AD1
XPD_DA1
DEM1
DEM0
BCK
LRCK
MCK
XPD_DA2
XPD_AD2
A.DA_DATA2
A.AD_DATA2
MCK
DEM1
DEM0
XPD_AD1
XPD_DA1
MCK
XPD_AD2
XPD_DA2
DEM0
DEM1
A.DA_DATA1
A.AD_DATA1
E
DI-73 BOARD (6/9)
B
7
05
15
13
10
11
C
2
H
I
F
3
K
12
J
G
14
6
9
8
AUDIO A/D,D/A CONVERTER
XX MARK:NO MOUNT
-REF.NO.:10,000 SERIES-
4
5
D
IC7016
PB
REC
SIGNAL PATH
AUDIO
SIGNAL
13
DI-73 BOARD (5/9)
15
DI-73 BOARD (5/9)
DI-73 BOARD (7/9)
DI-73 BOARD (9/9)
19
20
18
DI-73 BOARD (9/9)
DI-73 BOARD (9/9)
17
21
DI-73 BOARD (8/9)
IC7018
IC7020
IC7021