Sharp CD-BA250

CD-BA250/CD-BA2600
– 22 –
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 37.
Figure 22 SCHEMATIC DIAGRAM (3/9)
9 10 11
1415161718192021222324
8
7
6
5
4
321
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
–15V
VF1
VF2
–VP
UN_SW_5V
P_IN
M_+12V
A+10V
GND
GND
L-CH
R-CH
SW_5V
GND
GND
GND
RE
C
SP_RLY
SP_DET
(A_+B) SW_5V
CD_+B SW_5V
A_+B
A_GND
L
L
R
R
TO POWER SECTION
P24 1-G
TO CD SERVO PWB
P21 12-C
CNP7
CD_+B
CD_GND
L-CH
A_GND
R-CH
T1_R
T1_L
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
4
2
ERASE HEAD
TAPE2
RECORD/
PLAYBACK HEAD
TAPE1
PLAYBACK HEAD
R-CHL-CH
R-CH
L-CH
1
2
3
1
3
5
6
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
1
2
3
4
5
6
7
CD
TUNER
DECK
AUX
DI
CE
VSS
LOUT
LBASS
LTRE
LIN
L4
L3
L2
L1
CLK
VDD
VREF
ROUT
RBASS
RTRE
RIN
RSEL0
R4
R3
R2
R1
CCB
INTERFACE
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
LSEL0
ALC
ALC
RIPPLE
NOR/CRO2
–
–
+
–
+
Hich=T1
+
–
+
Hich=CHROME
56K
112K
56K
112K
2
1
3
2
1
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
21
MAIN PWB-A1(1/3)
+B
+B
+B
+B
+B
+B
+B +B
+B
+B
+B
-B
-B -B
BI601
CNS601
CNP101
CNP102
Q104
2SCC1845 F
C104
180P
R106
3.3K
R104
2.2K
Q102
2SCC1845 F
R108
47K
R110
4.7K
Q106
KTC3199 GR
C106
560P
R112 15K
R116
56
C112
100/25
C114
0.033
R122
33K
C116
560P
C118
47/25
R124
5.6K
R120
3.9K
R118
100K
C120
0.0022
R126
3.9K
C121
0.022
C122
3.3/50
R128
6.8K
C124
270P
R132
100
C126
22/50
C132
47/25
C130
0.0033
C128
0.022
R130
1.5K
R134
10K
C108
330P
R114
1K
C110
330P
C107
330P
R113
1K
C109
330P
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
C103
180P
Q103
2SCC1845 F
R105
3.3K
R103
2.2K
Q101
2SCC1845 F
C102
560P
C101
560P
C136
0.022
Q112
KTA1266 GR
R146
10K
R148
4.7K
R147
10K
Q113
KRC104 M
C141
100/16
C150
10/50
R149
150
C639
1/50
R621
22K
R618
330
R619
330
R604
10K
C610
1/50
C608
0.1
(ML)
R606
3.9K
C612
0.0027
C606
0.15
C614
1/50
C616
4.7/50
C618
1/50
C620
1/50
C624
1/50
C622
1/50
R608
1.2K
C626
0.0056
R602
1K
R601
1K
IC601
LC75341
AUDIO PROCESSOR
C623
1/50
C
1
C
1
C
1
C
4.
C
1
C6
0
0.
1
C
C
6
22
Q
KTC
3
R138
10K
R137
220K
R139
10K
C119
0.0022
R121
33K
R125
68K
R127
3.9K
R117
100K
C113
0.033
C111
100/25
R115
56
C115
560P
R119
3.9K
C117
47/25
R123
5.6K
C123
270P
R129
6.8K
C125
22/50
C127
0.022
R131
1.5K
R133
100
C129
0.0033
C131
47/25
R135
10K
C133
22/50
C134
220/10
C601
220/16
R614
3.3K
R615
3.3K
R613
390
R611
2.2K
C635
0.001
C636
0.001
R610
2.2K
R612
390
Q602
KTC3199 GR
Q601
KTC3199 GR
Q114
KRC104 M
R111
15K
R101
1K
R102
1K
R107
47K
C105
560P
Q105
KTC3199 GR
R109
4.7K
Q107
KTC3199 GR