Sharp CD-BA1200H Service Manual page 24

CD-BA1200H
A
B
C
D
E
F
TAPE MECHANISM PWB-E
B
A
TAPE
M
MOTOR +
- -
T2 PLAY
PH
G
SOLENOID
SOLENOID
R.PLAY
PH
T1 PLAY
F.PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
C708
1/50
FFC13
T2 PLAY
1
1
+5V
2
2
T2 RUN
3 3
+MTR
4
4
SOL2
5
5
SOL1
6
6
7 7
T1 RUN
8
8
C710
9 9
T1 PLAY 47/25
10 10
GND
11
11
12 12
F_REC
13 13
CNP703
2
Figure 24 SCHEMATIC DIAGRAM (5/10)
1
C705
100/10
R743
33
+B
+B
+B
R748 10K
R749 10K
R750 10K
R751 10K
R753 10K
+B
C712
10/16
+B
Q705
KTA1271Y
D703
1SS133
D702
1SS133
3 4
– 24 –
FL701
FL DISPLAY
2 8 10 11 13 15 17
3 4 5 6 7 9 12 14 16
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
80
79 VLOAD
78
P9
80 P8
77
P10
76 P11
75 P14
74 P20
73
P13
72 P16
71 P15
70
DIST0
69 DIST1
IX0337AWZZ
DIST2
68
DIST3
67
66
MICROCOMPUTER
65
64
63
62
61 31
R742 1K
32
60
SPN
R741 1K
59 DISTOUT/SW OUT 33
58
KARAOKE LATCH 54
57 MIC IN 53
+B
56
FPB 52
R737 1K
55 FPA 51
R736 1K
54
R735 1K
53
R734 1K
52
R733 1K
51
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
+B
C711
R760
10/16
1K
Q702
2SC3331
R761
1K
12V
0V
12V
Q704
KTA1271Y
R768
10K
12V
0V Q706
R767
KTA1273Y
10K
12V
5
19 20 21 22 23 24 25 26 27 28 29 30 31 32
18
2
1
VDD
2
-20dBATT
3
S-BUSY
100 9G
R70
T-BIAS 4
R70
T_T1/T2
5
R70
REC/PLAY 6
R70
RES OUT 7
R70
DRF 8
R70
WRQ 9
R70
RESET 10
X2 11
IC701
X1 12
X
VPP/IC 13
XT2 14
SYSTEM
R7
CD INT 15
VDD 16
R7
CD CLK 17
R7
CD DI 18
R7
CD DO 19
R7
KEY 0 CD CE 20
R7
KEY 1
CE 21
R7
KEY 2
CLK 22
R7
23
T2 PLAY SW_B DI
R7
DO 24
T1 PLAY SW_A
AVSS 25
CD CLAMP SW
R7
M-BUSY/TUN SM 26
T2 RUN
SPEANA3
27
SPEANA2
28
SPEANA1 29
SPEANA0 30
+B
LED722
4204SRT7
+B
+B
R775
10K
R776
10K
R777
10K
6