Sharp CD-C472 Service Manual page 19

MONO/ST
ST
L
9
10
R
AM
FM/AM
SWITCHING
FM
Q343
VOLTAGE
EGURATER
+B4
7
ST FM
J501
23 24 25 56
VIDEO/AUX
VDD
L
L
AUX
52
60
R
R
TAPE L
53
59
R
TUNER L
54
R 58
CD L
55
57
R
48 64 49 63
LTIN RTIN
23 24
OGIC
S- OUT
ER
22
C-OUT
9
31 32
X501
FL701
DISPLAY
1 2 3 ~
30 31 32
6
1
80
72
71
70
65
64
61
Q707~
Q709
LED701~
LED706
SWM3
FOOL PROOF
SWM4
F. A. S
Q705
SOLM1
Q706
SOLENOID
SWM5
CAM
PRESET GRAPHIC EQUALIZER
+B4
7 41 10 38 8 40 11 37 9
IC601
VOLUME
LC75396E
AUDIO PROCESSOR
GRAPHIC EQUALIZER
26 4 42 5 43 6 44
X-BASS
3
IC451
NJM4558L
SUB WOOFER AMP.
VOLTAGE
REGULATOR
+7.3V Q820
+B1
Q822
VOLTAGE
REGULATOR
+12V (ANALOG)
Q824
+B4
Q825
+12V (MOTOR)
Q823
+B5
Q826
VOLTAGE
+5.6V
+B1 Q710 REGULATOR
Figure 19 BLOCK DIAGRAM (3/3)
CD-C472/C3400/C3400C/C3800/C3800C
+B2
MEMORY
BACK UP
33
Q701
7 8 9
10 11 12 13 14 15 16 17 18 19 20
IC701
IX0192AW
SYSTEM CONTROL
MICROCOMPUTER
60 59 58 57 56 55 54 53 52 51 50 49 43 48 47 46
+B2
3 RX701 1
2
Q603 Q601
Q604 Q602
39 12 36
OUT
REAR
20 13
28
CENTER
14
R
17
31
L
18 30
RRIN LRIN
FRONT
R-IN
16
+B4 12
L-IN
8
7
18
SUB-WOOFER
4
IN
VR701
SUB WOOFER
VOLUME
Q904
ZD801
– 19 –
UNSWITCH
+B1
21 22 23 24
25
27
AVDD VDD
29
AVREF +B2
30
33
34 XL701
4.19MHz
35
CL
36
DE
37
DI
38
DO
39
DRF
40
45 44 43 42 41
RESET
SYSTEM STOP
Q605
IC681
NJM4560L
HEADPHONE AMP.
H/P MUTE
Q671 Q672 3 1
Q673 Q674
5 7
4
IC951
LA4451
POWER AMP.
REAR-IN
REAR-OUT
9 CENTER-IN
2
7 VCC
5
CENTER
OUT
12
NF
8
STAND-BY
11
4
3
Q903
Q901 Q902
14
IC901 FRONT
L-OUT
STK40724 9
8
POWER AMP. R-OUT
20
SUB-WOOFER OUT
+B 1
–B 5
19
3 4
D801
D802
D803 ~ D806
D807
Q801
D809
VOLTAGE
REGULATOR
TO CD SECTION
TO CD SECTION
TO POWER SECTION
+B5
PHM1
KEY
SW701
SW730
TO CD SECTION
RESET
Q704
Q705
Q706
ZD701
TO CD SECTION
+B1
+
– M901
M
Q905
FAN MOTOR
JA901
HEADPHONES
SO901
SPEAKER TERMINAL
+
SUB WOOFER
–
+
–
REAR SPEAKER
–
+
–
CENTER SPEAKER
+
+
–
FRONT SPEAKER
–
+
AC POWER
SUPPLY CORD
T.F
AC 120V 60Hz