Sharp CD-BA250 Service Manual page 26

CD-BA250/CD-BA2600
A
B
C
D
E
F
PLAY
-
TAPE
M
MOTOR
+
SOLENOID
CASSETTE
G SOLENOID
PH
TAPE MECHANISM
PWB-D
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 37.
1
DISPLAY PWB-B1
R746
1K
C561
R561
270P
10K
R565
C562
33K 270P
R567 C565
0.0027
68K
R570
C564
12K
0.0027
D716
DS1SS133
C567
0.0068
C568
0.0068
R573
R575
56K
470K
R577
150K
R579
15K
FFC702
1
T2 PLAY
1 1
GND
2
2
T2 RUN
3
3
D710
D709
+MTR DS1SS133
DS1SS133
4
4
SOL2
5
5
SOL1
6
6
F_REC
7
7
T1 RUN
8 8
CNS702
8
2 3
Figure 26 SCHEMATIC DIAGRAM (7/9)
Q703
KTC3199 GR
C706 C707
47/50 1/50
R752
33
+B
+B
+B
+B
+B
IC561
KIA4558P
+B
OPE AMP.
R562
R563
820K
270
-B
R566 -B
2 4
D561 DS1SS133
220K
3 1
R569
R568
C563
100K
220K
2.2/50
5 8
6 7
R572
R571
100K
390K
IC562
C566
KIA4558P
2.2/50
OPE AMP.
R574
1M
-B
2 4
C570
3 1
0.022
R576
D563
2.2M DS1SS133
5 8
6
7
C571
0.022
R580
180K
ZD561 C569
2.2/50
DZ6.2BSB
C712
47/50
4
– 26 –
FL DISPLAY
49 48 47 44 43 42 41 40 39 38 37 36 35 34 33 32
D703
DS1SS133
R760
10K
R740
R739
R759
1K
10K
R758 R738
22K
10K
R736
R756 R735
10K
1K
+B
+B
-B
+B
+B
+B
R578
R770
100K R772
10K
10K
Q706
KTA1273 Y
Q707
KTA1271 Y
Q708
KTA1271 Y
5
FL701
31 30 29 28 27 26 25 24 23 16
81 82 83 84 85 86 87 88 89 90
P10
80
79
VLOAD
78
P11
77
P12
76
P13
IC
75
P14
74 IX03
P15
73
P16
SY
72 P17
MICROC
71 P18
70 P19/DIST0
69 P20/DIST1
68 P21/DIST2
67 P22/DIST3
66 RDS-READY/ESS_DO
65 RDS-RDCL/ESS_DI
64 RDS-RDDA/ESS_STB
63
RDS-RST/ESS_ACK
62
NO USE / MPEG_POW
61
KARAOKE LATCH
60
NO USE
59
DISTOUT/SW OUT
58
LCK 0
57
MIC SW
56
FPB
1K
55
FPA
54 PLAY SW_B
53 NO USE
CD CLAMP
52
1K
SW
51
T2
T1
RUN
50 49 48 47 46 45 44 43 42 41
RUN
+B
R734
R731
1K
10K
R732
1K
R761
1K
+B
+B
M12V
R777
10K
+B
R778
10K
+B
R779
10K
6