Sharp CD-PC671H Service Manual page 21

Q702
M
Q703
MM1
TAPE MOTOR
E
+B7
+B7
1
RX701 3
2
+B7
KEY
SW703~SW717
SW722~SW725
SW728~SW733
SW726,SW727
PC651H Only
PC671H
ONLY
Sub Woofer
Volume
VR701
Q401
Q403
Q402 Q404
VOLTAGE
REGULATOR
+12V(ANALOG)
+B4
+12V(MOTOR)
+B5
+5.6V
+B2
ZD801
+5V
+B6
13 7
9
1
IC951
LA4551
6
POWER AMP.
UNSWITCH
+B7
FL701
DISPLAY
1 2 3 4 ~ ~ ~ ~
15 16 25 26 28 29 36
51 52 53
54 55 56 57 58 59 60 61 62 63 64 65 66 67
50
49
48
47
46
VDD
45
44
IC701
43
42
IX0281AW
41
SYSTEM CONTROL
40
MICROCOMPUTER
39
38
37
36
35
34
AVDD
33
32
31
VDD
30 29 28
27 26 25 24 23 22 21 20 19 18 17 16 15 14
+B5 +B7
IC650
IC651
PHM1
XL701
KIA4558P
4.19MHz
OPE AMP.
Q904
IC471
7 3
4
18
16
IC901
12
POWER AMP.
IC901
STK40724
+B
15
(PC671H) –B 3
2
1
STK40704
(PC651H)
Q405 Q903
D802
VOLTAGE
REGULATOR
3 1
IC804
VOLTAGE
2
REGULATOR
3 1
IC805
F832
2
T500mA L250V
3 1
IC806
2
Q801
VOLTAGE
REGULATOR
3
IC803
2
Figure 21 BLOCK DIAGRAM (3/3)
37 38 39
Q705
Q706
Q707
68 69 70 71 72 73 74 75 76 77 78 79 80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
13 12 11 10 9 8 7 6 5 4 3 2 1
Q704
IC601
3
NJM4560D
Q601,Q602
OPE AMP.
Q603, Q604
5
Q908
FRONT
L-OUT
9
8 R-OUT
20
D801 F802
T5A L250V
F803
T5A L250V
F804
T3.15A L250V
D803~D806
F805
D807
~D809
T1.6A L250V
Q802
1
D811~D814
– 21 –
TO CD
SECTION
Q905
+B5
1
7
4
Q907
RL902
PT801
POWER
TRANSFORMER
Q906
RL801
L801
LINE FILTER
T.F
PT802
POWER
TRANSFORMER
CD-PC671H/651H
UNSWITCH
+B7
MEMORY
BACK UP
+B1
M M901
FAN MOTOR
JK970
HEADPHONES
F903
RL901 T3.15A L250V
Sub Woofer
PC671H ONLY
F902 T3.15A L250V
Front
Speaker
F901 T3.15A L250V
Center
Speaker
Rear
Speaker
SO901
Speaker Terminal
AC POWER
SUPPLY CORD
AC 230V, 50Hz