Sharp CD-PC1881V Service Manual page 22

CD-PC1881V
A
CNSV2
1
MD1
1
MDO
2
MDCK
3
B
MBUSY
4
4
CNS806
UN SW_5V
1 1
SW_5V
2 2
AC.RLY-CON
3 3
SP_RLY 4 4
VF2
5 5
C
VF1 6 6
VLOAD
7 7
FFC701
CNP701
1 1
POWER
2
SR.MUTE
3
C.MUTE
4
S.MUTE
5
T_T1/T2
D
6
T_BIAS
7
REC/PLAY
8
H/PSW
9
TUN_SM
10
D_GND
11
D_GND
12
SPEANA3
13
SPEANA2
14
SPEANA1
15
M_12V
16
CLK
17
CE
18
DI
19
E
DO
20
Q11
21
ENA
22
A_GND
23
24
25 25
VR701
20K(B)
F
SUB WOOFER
VOLUME
DISPLAY PWB-A2
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
1
+B
+B
+B
M_GND
+B
TAPE MECHANISM
PWB-F
FWM1
2+
M
–
2 4 PHM1
PHOTO
MM1
TAPE MOTOR INTERRUPTER
1 3
SWM3
FOOL PROOF
CNPM2
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
CAM
FWM2
2
Figure 22 SCHEMATIC DIAGRAM (5/12)
1 2 3 4 5 6 7 8 9
Q707
KTC3199 GR
R701 R702
100K
100K
R703
C702
100K
1/50
R729
1K
R790
C721
33
47/50
D721
D722
DS1SS133
DS1SS133
+B
C703
0.001
LED724
SLI342YCJ
LED723
SLI342YCJ
SW_5V
UNSW_5V
R758
1.2K
1 1
2 2
BI701
MOTOR
3 3
1
GND
4 4
2
5 5
+12V
+B
3
6 6
T2 RUN
4
7 7
FPA
8 8
5
T1FAS
9 9
6
10 10
SOLENOIDO
7
11 11
CAM SW
12 12 8
3 4
– 22 –
FL701
FL DISPLAY
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
S10
80
VLOAD
79
S11
78
S12
77
S13
76
S14
75
S15
74
S16
73
S17
72
S18/DIST0
71
70 S19/DIST1
S20/DIST2
69
S21/DIST3
68
S22/DIST4
67
D704 66 DISTOUT
R704
DS1SS133
65 MBUSY
1K
R723
SP-DET
64
10K
R711
SPRLY
63
1K
R705
POWER
62
1K
61 HI-CUT
R706
SR MUTE
60
1K
R707
C MUTE
59
1K
R708
S MUTE
58
1K
R709
KEY JOG B
57
1K
R710
KEY JOG A
56
1K
MDO
55
R712
T_T1T2
54
22K
R713
53 T-BIAS
1K
R714
52
1K
51
R715
50 49
1K
VR702
R716
VOLUME JOG
1K
B A
C704
0.001
R746
R725
8.2K
390
+B
+B
R760
10K
Q702
12V
KTA1273 Y
12V
0V
Q703
C705
KTA1271 Y
47/25
12V 0V
D716
DS1SS133
12V
R759
10K
5
R789
1K
81 S9 1 VDD
CD
IC701
IX0340AW
C
SYSTEM CONTROL
MICROCOMPUTER
C
CD
C
SPEANA
52 REC/PLAY 28
TUN SM
51 AC RLY-CON 29
T2 RUN
30
48 47 46 45 44 43 42 41 40 39 38 37 36 35
R752 R755
8.2K 10K
R756
R753
10K
8.2K
R757
R754
10K
8.2K
+B
6