Sharp CD-BA1200H Service Manual page 24

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