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CD-C411H (serv.man13). Block diagrams - Sharp Audio Service Manual (repair manual). Page 3

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– 19 –
CD-C421H / C411H
 Figure 19 BLOCK DIAGRAM (3/3)
47
33
48
56
71
61
51
50
34 35
23
27
46
17
35
34
43
47
9
XL701
10
11
12
3
1
2
19 21 22
18
16
15
14
13
14 15 16 17 18
20
31
33
48
30
8
29
52
71
54
70
72
80
1
4
6
7
5
37
8 6 5
7
2 1
24 20
28
8
29
30
52 40
9
10
11
12
13
19
21
22
23
31
67
5
6
7
45
80
72
70
2
VF1
(AC)
~
IC701
IX0223AW
SYSTEM MICROCOMPUTER
~
~
~
Q702
+B7
+B7
SW701~SW724
KEY MATRIX
SW725,726
KEY1
KEY5
Q703
Q704
ZD701
SYS STOP
RESET
POWER
REMOCON
DI
CLK
DO
CE
RX701
REMOTE
SENSOR
REMOCON
TUN SD
TUN SM
TUN MUTE
CLEAR
MAIN SO
MAIN SI
MAIN SCK
MAIN STB
CLEAR
MAIN SO
MAIN SI
MAIN SCK
CD RES
T1 RUN
T2 RUN
CUM SW
AFP
CD SL–
CD SL+
D CQCK
CD COIN
SQOUT
CD WRQ
CD RWC
CD PUIN
CD DRF.
MAIN STB
+B3
+B7
+B8
+B7
+B8
MEMORY
BACK UP
–VP
–VP
Q701
FL701
IC601
IX0225AW
MAIN SYSTEM
MICROCOMPUTER
+B2
POWER
REC MUTE
REC/P.B.
TA MOT SW
TA SOL
T1/T2
BIAS
~
~
~
13
4
3
11
MUTE
L
R
R
L-OUT
R-OUT
9
2
5
12
R-IN
L-IN
7 VCC
14
NF
8
+12V (DRIVER)
+12V (AUDIO)
+B5
+B4
OUT
L
R
IC961
LA4550:421H
LA4551:411H
POWER AMP.
+B4
VDD
X-BASS
VSS
VREF
LVREF
RVREF
AVSS
GRAPHIC EQUALIZER
VOLUME
58
55
R
R
L
L
L
APE
IDEO
UNER
D
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
+B2
+B3
+
–
JA961
HEADPHONES
+5V
+5V
+B1
+5V
+B6
 (MECHA)
 (UCOM)
+12V
CD SECTION
TO CD SECTION
IC941
VF1
–VP
VF2
IC942
IC401
LC75394E
AUDIO PROCESSOR
23
16
33
17
32
19
30
21
28
14
35
56
63
50
26 27
12
37
11
38
10
39
24 25
57
CL
DI
CE
T.F
AC 230V 50Hz
SO901
L901
CORE
PT901
POWER TRANSFORMER
AC POWER
SUPPLY CORD
VOLTAGE
REGULATOR
Q901
Q941
D909
D911
F902
T1.6A L 250V
F941
T500mA L 250V
F901
T3.15A L 250V
CD-C421H Only
~
D905 ~ D908
D901 ~ D904
ZD901
9
43
6
40
8
44
5
41
7
45
4
42
+
–
+
–
+
–
SO961
SPEAKER TERMINAL
FRONT
SPEAKERS
REAR
SPEAKERS
XL601
4.19MHZ  
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