Sharp CD-PC1881V Service Manual page 17

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