Sharp CD-C290X Service Manual page 15

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FL701
3
~
30
31 32
33
–VP
Q701
VF1
(AC)
23
24 25
57
VDD
L
VIDEO
16
33
R
TAPE
L
17
32
R
AUDIO PROCESSOR
TUNER
L
19
R
30
CD
L
21
28
R
14 35
56
63
50
26
+12V (AUDIO)
+B4
+12V (DRIVER)
ION
+B5
Q941
VOLTAGE
+12V
REGULATOR
+B6
(MECHA)
+5V
TO CD SECTION
+B1
(UCOM)
+5V
+B2
+5V
+B3
+B8
+B7
+B3
MEMORY
BACK UP
+B8
9
7 8
10
11
12
13
14
15
16
17
18
6
1
80
IC701
79
77
IX0191AW
72
SYSTEM CONTROL
71
MICROCOMPUTER
70
65
64
61
60
59
58
57
56
55
54
53
52
51
50
49
+B8
+B4
8
4
7
5
6
43
9
45
42
44
41
40
IC401
VOLUME
LC75394E
GRAPHIC EQUALIZER
27
12
37
11
38
10
39
13
36
14
X-BASS
Q201
17
18
8
VCC
1
IC201
SRS5250S
SRS
MODE
Q206
26
25
24
11
10
3
2
19
Q205
VOLTAGE
REGULATOR
IC941
F941
T500mA L 250V
VOLTAGE
REGULATOR
IC942
VF1
–VP
VF2
Figure 15 BLOCK DIAGRAM (3/3)
19
20
21
22
23
24
25
27
AVDD
+B8
VDD
29
AVREF
+B7
30
33
34
XL702
4.19MHz
35
CL
36
CE
37
DI
38
DO
39
DRF
40
48
47
46
45
44
43
42 41
SYSTEM STOP
RX701
1
3
+B7
REMOTE
SENSOR
2
OUT
L
L-IN
58
13
9
R-IN
55
R
7 VCC
14
NF
8
11
4
3
35
7
D901 ~ D904
15
D905 ~ D908
ZD901
D909
Q901
D911
VOLTAGE
REGULATOR
– 15 –
TO CD SECTION
TO CD SECTION
TO CD SECTION
TO POWER SECTION
KEY
SW720
SW701
SW724
SW719
TO CD SECTION
RESET
RESET
Q702
Q704
Q705
ZD701
TO CD SECTION
Q810
LED810
Q811
Q812
LED815
12
L-OUT
MUTE
2
5
R-OUT
IC961
LA4450
POWER AMP.
F901
T3.15A L 250V
F902
T1.6A L 250V
TF901
PT901
POWER TRANSFORMER
CD-C290X
JA961
HEADPHONES
SO961
SPEAKER TERMINAL
+
SPEAKERS
MIN. 4 OHMS
+
SW901
VOLTAGE
SELECTOR
AC POWER
SUPPLY CORD
SO901
AC 110/127/220/
230-240V 50/60Hz

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