Schematic Diagram - Main Section - Sony HCD-GP8D Service Manual

HCD-GP8D
Q Q
7-3. SCHEMATIC DIAGRAM — MAIN SECTION —
3 7 6 3 1 5 1 5 0
TO TUNER PACK
MAIN BOARD
A
TO FRONT
BOARD
CN601
(Page 25)
4.9
4.2
T E
L 1 3 9 4 2 2 9 6 5 1 3
DOWNLOAD
PORT
B
TO MPEG
BOARD
J701
(Page 23)
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2.6 0<-14.9>
(PLAYBACK/ERASE)
<-7.0>
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L-CH
REC/PB
HEAD 2.6
R-CH
<-7.0>
ERASE
HEAD
2.9<-11.1> 2.9 2.9 2.9
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3
9.6 9.5
<9.0> <2.3>
0<0.8>
9.6
<9.0>
w w w
HCD-GP8D
• See page 35 for IC Block Diagram. • See page 33 for Waveforms.
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>
2.0 2.3 1.7 <0.8>
1.2 1.2 0 0 0
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
TO MPEG BOARD J702
9 – 25 – 41 2.8 57 4.9
(Page 23)
10 5.0 26 5.0 42 – 58 0
11 0 27 x 5.0 43 0 59 4.9 a o
y
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
. i
16 0 32 0.4 48 3.2 64 4.9
http://www.xiaoyu163.com
TO
HP/MIC
G
BOARD
CW202
(Page 25)
MD IN
IC401
0
IC B/D
0
4.9
5.0
4.9
0
Q IC101 Q
3 7 6
5.0
5.0
5.0
0
5.0
9.9
5.0
4.7
4.1
5.0
IC102
9.9
5.0
4.1
4.7
9.9
IC301
5.1
0
5.1
17.6
0
0.7
C
u 1 6 3
20 20
http://www.xiaoyu163.com
2 4
8 9 9
5.2
9.6
5.1
5.2
5.2
0
5.2
5.2 0
9.6 0
IC402
0
TO AMP BOARD
TO AMP BOARD
H CN108(Page 30)
9.2 I
CN102(Page 30)
5.3
3 1 5 1 5 0 8 9 2
2.6
0
0
4.9
0.6
0
0.6
0
9.9
11.0
17.0
16.3
8.8
10.8
18.0
17.8
0
m
c o
.
2
8 9 9
DIGITAL OUT
OPTICAL
F
TO MPEG BOARD
JD701
(Page 23)
E
TO AMP BOARD
CN106
(Page 30)
+
L
SPEAKER
–
IMPEDANCE
–
R
USE 6Ω
+
4 9 8 2 9 9
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