Sharp CD-PC1881V Service Manual page 17

Q702
M
~
1 2 3 4
Q703
MM1
APE MOTOR
51 52 53 54 55
50
H/P
49
FPA
48 T1 FAS
47
CAM SW
+B7
46
VDD
51
45
T MOT
44
T SOL
43
42 U/D SW
41 DNO SW
40
REMOCON
39
38 SYS STOP
33
O/C SW
37
32
+B7 36
PUIN SW
31
35
1
34
AVDD
3
RX701
33
2 32
31
+B7
30 29 28 27 26
REMOTE
SENSOR
+B5
PHM1
KEY
SW701~SW721
SW722~SW725
SW728~SW733
SUB WOOFER
IC471
7
VOLUME
VR701
KIA4558P
OPE. AMP.
Q401 Q403
Q402 Q404
VOLTAGE
REGULATOR
+B3
+12V(ANALOG)
+B4 3
+12V(MOTOR)
+B5
+7V(CD)
3
+B8
+5.6V
+B2
3 IC806 1
2 CONSTANT VOLTAGE
ZD801
+5V
+B6
13 9 7
CENTER OUT
1
IC951
REAR OUT
6
LA4451
POWER AMP.
11 4 UNSWITCH
+B7
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FL701
FL DISPLAY
~ ~ ~
15 16 25 26 28 29 36 37 38 39
57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
56 74 75 76
81 S9
S8
82
52 53 54
S7
83
S6
84
IC701
IX0340AW
SYSTEM CONTROL
MICROCOMPUTER
G2
99
KEY IN1
100 G1
KET IN2
KEY IN3
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
+B7
IC650
IC651
Q704
XL701
KIA4558P
4.19MHz
OPE AMP.
Q601,Q602
Q603, Q604
3
Q904
4
18
L-IN 12
16
R-IN IC902
FRONT
9 L-OUT
POWER AMP.
8 R-OUT
STK40724
20
–B
1
7
10
4
3
5
D801
+B1
D802
VOLTAGE
REGULATOR
D803~D806
KIA7812P
IC804 1
VOLTAGE
2
REGULATOR
KIA7806P
1
IC805
2
AN78L05
REGULATOR
D807
Q801
~D809
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q802
AN78L05
CONSTANT VOLTAGE
REGULATOR
3 1
IC803
2
Figure 17 BLOCK DIAGRAM (3/3)
Q705
Q706
Q707
TO CD VIDEO
SECTION
77 78 79 80
81
82
83
84
S5 85
86
S4
87
S3
88
S2
89
S1
G11 90
G10
91
G9 92
G8 93
G7 94
G6 95
G5 96
G4 97
G3
98
99
100
1
RESET
IC704
KIA7042AP
3
2
IC601
3 1
NJM4560D
7
OPE AMP.
5
4
PT801
MAIN POWER
TRANSFORMER
F802
T5A L 250V
230-240V
F803
T5A L 250V
220V
F804
T3.15A
127V
L 250V
110V
T.F
F805
T1.6A L 250V
PT802
SUB POWER
D811~D814 TRANSFORMER
– 17 –
CD-PC1881V
18
2
3
4 15
14
5
6 13
12
7
11
10
+B
UNSWITCH
+B7
MEMORY
+B4
BACK UP
M902
M
FAN MOTOR
+B4
TO CD VIDEO
SECTION
M901
M
Q905
FAN MOTOR
+B5
JK601
HEADPHONES
SO901
SPEAKER
RL901 TERMINALS
SUB
WOOFER
F903
T3.15A
L 250V
Q907
F902
RL902
T3.15A L 250V
FRONT
SPEAKER
F901
T3.15A L 250V
Q906
CENTER
SPEAKER
SURROUND
SW801
SPEAKER
VOLTAGE
SELECTOR
AC POWER
RL801
SUPPLY CORD
AC 110/127/220/230-240V
50/60Hz