Sharp CD-BA120 Service Manual page 26

CD-BA120/125
A
B
C
D
E
F
TAPE MECHANISM PWB-E
B
A
MM1
M
TAPE +
MOTOR
- -
SWM2
1
T2 PLAY
2
3
G
PH1
4
SOLM2
5
SOLENOID
SOLM1 6
SOLENOID
7
SWM4
8
R.PLAY PH2
9
10
SWM1
11
T1 PLAY
12
SWM3
13
F.PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
C708
1/50
R743
33
+B
+B
+B
R748
R749
R750
R751
R753
+B
T2 PLAY
1
+5V +B
2
T2 RUN
3
+MTR
4
SOL2
5
SOL1
6
7
T1 RUN
8
C710 D703
9
47/25 1SS133
T1 PLAY
10
GND
11
D702
12
F_REC
1SS133
13
CNP703
2 3
Figure 26 SCHEMATIC DIAGRAM (9/10)
1 2 3 4 5 7 8 9
6
C705
100/10
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
R742 1K
60
59
58
57
+B
56
R737 1K
55
R736 1K
54
R735 1K
53
R734 1K
52
R733 1K
51
10K
10K
10K
10K
10K
+B
C711
R760
10/16
1K
C712
R761
10/16
1K
12V
0V
12V
Q704
KTA1271Y
12V
0V
R767
Q705
10K
KTA1271Y
12V
4
– 26 –
FL701
FL DISPLAY
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
VLOAD -20dBATT
P9
100
80 P8 9G
P10
P11
P14 REC/PLAY
P20 RES OUT
P13
P16
P15
DIST0
IC701
DIST1
IX0336AWZZ
DIST2
DIST3
SYSTEM
MICROCOMPUTER
CD CLK
31 KEY 0
KEY 1
32
SPN
33 KEY 2
DISTOUT/SW OUT
KARAOKE LATCH 54 T2 PLAY SW_B
MIC IN 53 T1 PLAY SW_A
FPB 52
CD CLAMP SW
M-BUSY/TUN SM
FPA 51 T2 RUN
SPEANA3
SPEANA2
SPEANA1
SPEANA0
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
+B
LED722
4204SRT
+B
+B
R775
10K
R776
10K
R777
Q702
10K
2SC3331
R768
10K
Q706
KTA1273Y
5 6
29 30 31 32 33
2
1
R
1
1
VDD
2
S-BUSY 3
R702
T-BIAS 4
R703
T_T1/T2 5
R704
6
R705
7
R706
8
DRF
R707
WRQ 9
R708
10
RESET
X2 11
X1 12
XL70
VPP/IC 13
XT2 14
R709
CD INT 15
VDD 16
R710
17
R711
CD DI 18
R712
CD DO 19
R713
CD CE 20
R714
CE 21
R715
CLK 22
R716
DI 23
R717
24
DO
AVSS 25
26
27
28
29
30
+B