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R720
5.6K
IC701
R719
5.6K
IR3R61U6
C734
0.47
AUDIO
INPUT
AMP.
10
9
8
7
6
MCINL
11
+B
MOUTL
12
BIAS
13
0
MINL
14
MGND
15
AGND
16
17
18
19
20
R703
100K
+B
+B
TP742
LOGIC
IC761
4LCX86T
GND
7
6
5
4
3
2
1
L762
22 µH
C784
0.47
762
L752
R774
H6630
22 µH
15
6
D1
G2
5
C772
S2
4
0.47
L761
22 µH
761
H6630
C783
0.47
6
D1
L751
G2
R773
22 µH
5
15
• The numbers 14,
17
to 21,
7
Q711
2SD2351 W
R712
6.8K
R711
6.8K
+B
LATCH
RCAULT
5
C712
CLOCK
AUSCLK
4
100P(CH)
AUDATA
DATA
R715
3
100K
DGND
2
LOUTL
1
R716
100K
INPGCK
INPGIN
R728
1K
MCPGIN
C731
0.1
R729
4.7K
L-CH
R730
R-CH
4.7K
+B
R+
R–
L+
25
to
27
are waveform numbers shown in page 39, 40.
8
Figure 31 SCHEMATIC DIAGRAM (6/8)
C717
1
J701
OPTICAL/
C715
LINE IN
TP706
0.1
7
VCC
9
TP708
Vout
C713
8
1
GND
R713
TP707
6
10K
TP701
1
L702
TP702
L
2
L703
TP703
R
3
TP704
GND
4
L704
5
TP705
R714
C714
10K
1
R725
100
Q721
2SD2351 W
TP714
L714
4
C721
TP713
3.3/10
L713
2
TP712
C722
L712
3
3.3/10
TP711
C724
1
0.001
J702
MIC IN
L711
R+
L491
33
L+
R–
C491
0.1
RDATA
L
9
10
– 31 –
MD-DR470H/MD-DR480H
26
25
L456
TP726
6
L455
TP723
5
TP725
3
R+
TP721
1
R–
TP722
2
L–
TP724
4
L+
L457
TP727
7
L458
TP728
8
27
16
11
12
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