31
31
HCD-AZ1D
HCD-AZ1D
7-10. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) —
Voltage(V)
Voltage(V)
Voltage(V)
Voltage(V)
IC402
IC403
Pin No
Pin No
Pin No
Pin No
IC401
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
10
10
10
11
11
11
12
12
12
13
13
13
14
14
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
3
-
-
-
3.3
0
3.3
0
0
3.3
0
0
3.3
0
0
3
0
3.3
0
0
0
3.3
0
0
0
0
3.3
3.3
0
0
0
0
8.4
8.4
0
0
0
0
0
0
9.8
0
0
0
0
0
8.4
8.4
0
0
0
0
0
0
9.8
0
2
2
0
0
0
0
0
9.7
9.8
8.4
0
0
4.9
0
3.3
3.3
0
8.4
0
9.8
0
0
9.7
0
2
2
0
0
0
No mark : FM
( ):REC
IC401,IC402,IC403
VOLTAGE CHART
R418
C417
V
50V
50V
V
470P
8
39K
R431
V
V
L405
0
1
2
3
10V
A
A
10V
MTZJ3.3A
A
A
A
15K
15K
30
31
32
33
34
35
36
37
21
PC
Q401,Q412
USB MUTE
INVERTER
INVERTER
Q405,Q406
MUTE
V
IC402
IC401
IC403
QUAD ANALOG
SWITCH
QUAD ANALOG
SWITCH
USB I/F
DA CONVERTER
A
A
Q408,
50V
50V
MUTE
MUTE
SWITCH
SWITCH
SWITCH
Q409
M
N
C419
+
MAIN BOARD
(4/4)
R439
100K
R444
100K
R447
100K
R451
100K
C437
0.1U
C440
1000P
Q413,Q414
FB401
MA01
PON
Q413
Q414
DTC114YK
DTC114YK
R442 22K
Q408
DTA114YKA
R220A
R120A
120K
120K
R218A
R118A
2.2K
2.2K
JR401
0
JW
JW
•
See page 46 for IC Block Diagram.
Summary of Contents for HCD-AZ1D
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