Sharp CD-BP90W Service Manual page 28

CD-BK100W/CD-BP90W
A
B
C
D
E
F
TAPE PLAY SW2
MOTOR
GND
+
END SW2
M
–
MTR+
SOL2
SOL1
F_REC
END SW1
G PLAY SW1
TAPE MECHANISM
PWB-F
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
+B
+B
R751
R750
R749
10K
R748
10K
FFC702
1
T2 PLAY
1 1
GND
2
2
T2 RUN
3 3
+MTR
4 4
SOL2
5 5
SOL1
6 6
F_REC
7 7
T1 RUN
8 8
9
9
10 10
T1 PLAY
11 11
11
2
Figure 28 SCHEMATIC DIAGRAM (9/12)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
D714
1SS133
R742
1K
10K R737
10K R736
R735
R734
D701
R733
1SS133
1K
R758
10K
Q704
KTA1271 Y
Q705
KTA1271 Y 10V
0V
10V
0V
10V
10V
3 4
– 28 –
FL701
FL DISPLAY
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
P8
80
77 P10
76 P11
75 P14
74 P20
73 P13
72 P16
71 P15
70 DIST0
DIST1
69
68 DIST2 IC701
IX0362AW
67 DIST3
MICROCOMPUTER
66 NC
65 NC
64 NC
63 NC
NC
62 SPEANA1
29
61 NC SPEANA0
30
60 SPN
59 DISTOUT/SW OUT
54 T2 PLAY SW_B
58 KARAOKE LATCH
53 T1 PLAY SW_A
MIC IN
57
52 CD CLAMP SW
56 FPB
T2 RUN
1K 51
FPA
55
1K
54
1K
53
1K
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
R768
10K
Q706
0V KTA1273 Y
MOTOR DRIVER
5
Q70
KRC1
4.9V
2
1
–
R744
1K
1
–20DB ATT
2
S_BUSY
3
VDD
1
R702
T_BIAS
4
R703
T_T1/T2
5
R704
REC/PLAY
6
R705
RES OUT
7
R706
DRF
8
R707
WRQ
9
R708
RESET
10
X2
11
X1
12
VPP/IC
13
R
XT2
14
CD INT
15
VDD
16
R710
CD CLK
17
R711
CD DI
18
R712
CD DO
19
R713
CD CE
20
R714
CE
21
R715
CLK
22
R716
DI
23
R717
DO
24
AVSS
25
M+BUSY/TUN SM
26
SPEANA3 27
SPEANA2 28
29
30
+B
R775
10K
O
6