Sharp CD-C471H Service Manual page 21

1
~ 8 6 5 7 2 1
37
–VP
Q701
VF1
(AC)
14 15 16 17 18
4
CD RES
5
CD SL–
6
CD SL+
7
CD CQCK
9
CD COIN
10
CD SQOUT
11
CD WRQ
12
CD RWC
01
13
CD PUIN
19
1AW
CD DRF
21
MPUTER CD O/C SW
53
CD D.NO
54
CD U/D
55
24
25 IC561/562/563
SPE1-5
26
27
28
~ 66 64
57 65 63 61
1
4
7
+B2
–B1
OR
REAR
OUT
20
UALIZER
VOLUME
28
CENTER
OUT
VOLUME
R
17
CENTER
REAR L 31
IN
6 30
42 18
R L R
S-IN C-IN
IN
L
SS
R
+B3
Q609
–B1
T
T
+B1
TO CD UNIT
+B4
+B5
13 14 15 16 18
5
–VP 71
7
6
4
1
IX0170AW
80
MICROCOMPUTER
72
70
54
8
52 29 30 48 33 31 20
+B5
+B6
MEMORY
BACK UP
IC562(1/2)
N5M4558L
N5M4558L
OPE AMP.
OPE AMP.
2
8
8 7
6
6
Q675 Q603 POWER ON/STB
Q201
Q601 Q602
SWITCHING
Q676 Q604
IC651
NJM4558L
+B3
OPE AMP.
OUT
8
3
L
1
5
7
R
4
+B3
8
3 7
IC451
4
NJM4558L
SUB WOOFER AMP.
VOLTAGE
REGURATER
–15V
VOLTAGE
REGULATOR
+7.3V Q820
Q822
T500mA
VOLTAGE
REGULATOR
+12V (ANALOG)
Q824
Q827
Q825
+12V (MOTOR)
Q823
Q826
VOLTAGE
VF1(AC)
REGULATOR
–VP
VF2(AC)
Figure 21 BLOCK DIAGRAM (3/3)
VOLTAGE
REGULATOR
+12V
+5V
+B2
Q609
19 21 22
KEY5 23
KEY0
28
IC701
37
CLOCK
38
36
RESET
Q704
17
SYS STOP
46
9
12 11 10 35 34 43 42 47
XL701
+B2
REMOCON
+B4
IC681
NJM4560L
HEADPHONE AMP.
H/P MUTE
Q671 Q672
Q673 Q674
POWER AMP.
13 REAR-IN
9 CENTER-IN
7 VCC
14
12
NF
8 STAND-BY
R 11
4
3
L
FRONT
R-IN
12
14
IC901
10
L-IN
STK40704
POWER AMP.
+B 15
–B
3
JK451
1 2
SUB WOOFER
OUT
D801
D802
F832
D803 ~ D806
L250V
ZD801
D807
Q801
D809
VOLTAGE
REGULATOR
– 21 –
+B5
SW704~708
KEY MATRIX
SW701~SW703
SW709~SW716
SW718,719,721,723,724
SW725,726,728~732
SW733,734,736~740
DATA
INPUT/OUTPUT
2
16
EXPANDER
3
LED701~LED705
LCK
13
4 IC702
LED706~LED711
9
BU2092F
5
1 17 18
+B2
Q705
+B2
Q706
ZD701
RX701
REMOTE
1 3 +B2
SENSOR
2
CNS12
TO CD UNIT
+B1
–
M
Q905
+B3
8
3 1
5 7
4
IC951
LA4450
REAR-OUT
2
5
CENTER
OUT
Q903
SO901
SPEAKER TERMINAL
Q901 Q902
FRONT
L-OUT
6
7
R-OUT F901
T4A
L250V
F902
T4A
L250V
F802
T3.15A
L250V
T801
F803
POWER
T3.15A
TRANSFORMER
L250V
F804
T4A
L250V
T.F
F805
T1.6A
L801
L250V
CD-C471H
CNP12
+
M901
FAN MOTOR
JK700
HEADPHONES
+
–
REAR SPEAKER
–
+
–
CENTER SPEAKER
+
+
–
FRONT SPEAKER
–
+
AC POWER
SUPPLY CORD
SO801
AC 230V 50Hz