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HCD-GP8D
7-3. SCHEMATIC DIAGRAM — MAIN SECTION —
MAIN BOARD
A
TO FRONT
BOARD
CN601
(Page 25)
4.9
4.2
DOWNLOAD
PORT
B
TO MPEG
BOARD
J701
(Page 23)
2.6<-7.0>
HEAD
0<-14.9>
2.6
(PLAYBACK/ERASE)
<-7.0>
0<0>
L-CH
REC/PB
HEAD
2.6
R-CH
<-7.0>
ERASE
HEAD
2.9<-11.1>
2.9
2.9
2.9
<0>
<0>
<-0.7>
3
9.6
9.5
<9.0>
<2.3>
0<0.8>
9.6
<9.0>
HCD-GP8D
• See page 35 for IC Block Diagram. • See page 33 for Waveforms.
TO TUNER PACK
0.3
12.4
0
0
12.4
0
12.4
0
0.2
10.6 10.3
IC501
CPU
1
2
4.9
IC502
IC503
0
0
1.2
1.2
2.2
2.0
0
0
1.4
1.7
0.7<0>
7.1
0.7
<0>
1.7 <0.8>
2.0
2.3
1.2
0
0
0
1.2
0
0
0
IC201
0.7
0.7
0
0
VOLTAGE CHART
IC501
NO.
VOLT
NO.
VOLT
NO.
VOLT
NO.
VOLT
1
4.9
17
4.9
33
4.9
49
3.4
2
4.9
18
0
34
5.0
50
4.8
3
4.9
19
0.3
35
0
51
0.3
4
0
20
0
36
5.0
52
0
5
0
21
0.2
37
3.3
53
4.9
6
0
22
4.9
38
2.4
54
4.9
7
0
23
0.2
39
0
55
0
8
0
24
5.1
40
3.0
56
0
9
–
25
–
41
2.8
57
4.9
10
5.0
26
5.0
42
–
58
0
11
0
27
5.0
43
0
59
4.9
12
0
28
5.0
44
4.9
60
0
13
0
29
2.8
45
4.9
61
0
14
4.8
30
3.8
46
0
62
4.9
15
0
31
3.8
47
4.9
63
4.9
16
0
32
0.4
48
3.2
64
4.9
G
MD IN
IC401
IC B/D
4.9
5.0
4.9
0
IC101
5.0
5.0
5.0
0
5.0
9.9
5.0
4.1
5.0
9.9
5.0
4.1
4.7
9.9
IC301
5.1
0
5.1
17.6
0
0.7
C
TO MPEG BOARD J702
(Page 23)
20
20
TO
HP/MIC
BOARD
CW202
(Page 25)
5.2
9.6
5.1
0
5.2
0
5.2
5.2
0
0
5.2
9.6
0
IC402
0
TO AMP BOARD
CN108(Page 30)
H
9.2
5.3
2.6
0
4.7
0
4.9
0.6
0
0.6
IC102
0
9.9
11.0
17.0
16.3
8.8
10.8
18.0
17.8
0
DIGITAL OUT
OPTICAL
F
TO AMP BOARD
I
CN102(Page 30)
TO MPEG BOARD
JD701
(Page 23)
E
TO AMP BOARD
CN106
(Page 30)
+
L
SPEAKER
–
IMPEDANCE
–
R
USE 6Ω
+
D
TO PT BOARD
FW901
(Page 31):E,SP MODEL
(Page 32):AUS,RU,HK,
CH MODEL
-32.9
-32.4
-38.6
0
4.5
NO MARK : FM
<
> :TAPE REC
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