Schematic Diagram - Main Section (1/3) - Sony HCD-DX2D Service Manual

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7-6. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
3 7 6 3 1 5 1 5 0
IC501 VOLTAGE CHART
PIN.No Voltage PIN.No Voltage
1 41 2.8
4.9
2 4.9 42 -
3 4,9 43 0
4 0 44 4.9
5 0 45 4.9
6 0 46 0
7 0 47 4.9
8 0 48 3.2
9 - 49 3.4
T E
L 1 3 9 4 2 2 9 6 5 1 3
10 5 50 4.8
11 0 51 0.3
12 0 52 0
13 0 53 4.9
14 4.8 54 4.9
15 0 55 0
16 0 56 0
17 4.9 57 4.9
18 0 58 0
19 0.3 59 4.9
20 0 60 0
21 0.2 61 0
22 4.9 62 4.9
23 0.2 63 4.9
24 5.1 64 4.9
25 -
26 5
27 5
28 5
29 2.8
30 3.8
31 3.8
32 0.4
33 4.9
34 5
35 0
36 5
37 3.3
38 2.4
39 0
40 3
w w w
HCD-DX2D
• See page 21 for Waveforms. • See page 47 for IC Pin Function Description.
MAIN BOARD
(1/3)
*
* CN203
9P: US,CND
11P: AEP,UK
23P
A
KEY
BOARD
CN601
(Page 36)
1000P
5
5
SWITCH
4.2
CN502
8P
B
MPEG
BOARD(1/3)
CN1
(Page 32)
12P
x a o
y
. i
http://www.xiaoyu163.com
8
TUNER
AEP,UK
+9V REG
12.4
10
SWITCH
10.7
10.7 10.7
1000P
0
3.1
INVERTER
0
3.4
0.6
3.8
V
Q Q
3 7 6 3
IC501
SYSTEM CONTROLLER
7 8
4.9
5
4.9
5
5
IC502
RESET SWITCH
u 1 6 3
.
27 27
http://www.xiaoyu163.com
2 4
9 9 8
TV
IN
R L
( )
1000P
V
V
0.01
B
1 5 1 5 0 8 9 2 4
5
0.6
0.3
0.3
0.7
5.7
10.6 0.2
10.3
11.3
+5V REG
IC503
EP ROM
No mark:FM
m
( ):REC
c o
MAIN BOARD
1
(2/3)
(Page 28)
HCD-DX2D
2
9 9
9 8 2 9 9