Schematic Diagram - Main Section (4/4) - Sony HCD-AZ1D Service Manual

7-10. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) —
FB401
6
37
MAIN
BOARD(3/4)
Q413
DTC114YK
(Page 30)
MA01
7
21
MAIN
PON
BOARD
(3/4)
(Page 30)
30
3
MAIN
BOARD(1/4)
(Page 28)
32
31
35
M
4
33
34
MAIN
BOARD(2/4)
(Page 29)
N
HCD-AZ1D
• See page 46 for IC Block Diagram.
PC
MAIN BOARD
(4/4)
Q401,Q412
Q413,Q414 USB I/F
IC401
USB MUTE
DA CONVERTER
3.3
3.3
A
0
0
0
R442 22K
0
4.9
Q414
DTC114YK
IC403
8.4
INVERTER QUAD ANALOG
SWITCH
0
9.8
Q408
DTA114YKA
9.7
0
0
Q408, Q409
SWITCH
50V
50V
IC B/D
MTZJ3.3A
C437 0.1U
10V
8.4
INVERTER
0
9.8
A
SWITCH
9.7
0
C440
1000P 0
SWITCH
V 50V
0
15K
50V
V
L405
0
R220A 120K
R218A
2.2K
R120A 120K
R118A
2.2K
IC B/D
IC401,IC402,IC403
VOLTAGE CHART
IC401
Pin No Voltage(V)
1 3
2 -
2
3
3.3
4 -
0 5 -
6 0
2
7 3.3
A
MUTE
8 0
0
9 0
10 3.3
A
11
0
MUTE R447 R451
100K 100K 12 0
13 3.3
14 0
31 31
IC402
QUAD ANALOG
SWITCH
IC B/D
2
Q405,Q406
MUTE
0
2
0
A
0
C419
V
+
V
IC402 IC403
Pin No Voltage(V) Pin No Voltage(V) Pin No
Voltage(V)
0 1 0 1 0
15
16 3.3 2 0 2 0
3 3
17 0 0 0
18 0 4 0 4 0
0 5 8.4 5 8.4
19
8.4 8.4
20 3.3 6 6
21 0 7 0 7 0
0 0
22 0 8 8
23 0 9 0 9 0
0 0
24 10 10 0
25 11 0 11 0
3.3
26 3.3 0
12 12 0
27
0 13 0 13 0
9.8
28 3 14 14 9.8
No mark : FM
( ):REC
HCD-AZ1D
1
L
MIC CONTROL
2
3
BOARD
CN603
(Page 39)
5
36
MAIN
BOARD(3/4)
(Page 30)