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CD-BA3000 (serv.man4). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 8

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– 21 –
CD-BA3000H
Figure 21 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
TUN_L
REC_L 
EC_R 
0V
-VCC
M_+10V
CHASSIS
CD_GND
S_MUTE
10KHz
63Hz
63Hz
10KHz 
R 
L 
L 
R 
-20dBATT
L-CH  1K 
R-CH  1K 
S_MUTE
VF1
VF2
-VF
AC_RLY
CON
UN SW
5V
+5V
SP_RLY
SP-DET
TUN_SM
A_+10V
D_GND
CLK
DI
CE
DO
A_GND
TUN_R
TUN_SM
DI
CE
DO
CLK
SPAN
RCH
SPAN
LCH
M_+10V
T_T1  T2
-20dBATT
T_BIAS
REC/PLAY
D_GND
D_GND 
L 
R 
+VCC
P22  1 - D
TO DISPLAY PWB
CD_+B 
  CD_GND 
L-CH
A_GND 
R-CH
0V
0V
11.7V 
11.6V 
11.6V 
0V
0V
0V
0V
0V
R-ch 
L-ch 
- 
+ 
+ 
- 
- 
- 
+ 
+ 
+ 
+ 
- 
- 
- 
+ 
+ 
- 
GND
 
V
3
4
5
2
1
3
4
5
8
6
10
5
2
3
4
9
1
7
2
1
3
2
2
3
4
5
1
7
8
9
6
12
13
14
15
11
17
18
19
10
16
22
23
24
25
21
27
28
29
20
26
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
+B
-B
-B
+B
+B
+B
+B
PLAYBACK SIGNAL
MAIN PWB-A1(1/ 2)
RECORD SIGNAL
FM SIGNAL
CD SIGNAL
VIDEO SIGNAL
P27  10 - H
TO TUNER SECTION
1
2
3
CNS701
SWITCHING
1
7 
4 
8 
3 
2 
6 
5 
2
3
6
5
2
3
6
5
2
3
6
5
7
8
1
4
7
8
1
4
7
8
1
4
CNP11
P19  12 - D
TO CD SERVO 
PWB
1
29
BIAS
BIAS OSC
28 1/50
26 1/50
24 1/50
30 1/50
C641
0.0033(ML)
R618
820
C643
0.0022
22 4.7/50
20 1/50
C612 0.0027
R606
3.9K
0
C608
0.1 
C614
10/50 
R608
10K 
02 22/50
R861
68K 
R863
33K 
C861
0.022 
R864
150K
R862
33K 
C862
0.022 
R860
22K 
IC860
KIA4558P
OPE AMP.
100K
199GR 
NG
R158
220
R164
4.7K
R162
47K 
Q124
2SA1015GR 
L103
100
µ
H 
C154
0.047(ML)
R166
22K 
Q126
KRC104M
R167
47K 
C150
0.0082
(P.P.)
R168
4.7 
Q128
KTC3203Y
L104
330
µ
H 
C152
47/25 
C151
0.039(ML) 
R160
82
R633
39K 
R634
39K 
C632
390P
C631
390P
R632
4.7K
R631
4.7K
D562
1SS133
R569
100K
C564
2.2/50
C573
0.022 
R580 330 
R573
220K
C567
0.022 
R562
470K
R564
33K 
R565
390K
C562
270P
C563
0.0068
R563
12K 
C561
270P
R566
220K
R561
47K 
D561
1SS133
R570
100K
D563
1SS133
C565
2.2/50
C566
0.0068
C603
0.022
R568
2.2M
R567
2.2M
C569
0.022 
R575
150K
C568
0.022 
IC561
KIA4558P
ZD561
MTZJ6.2C
R577 330 
C572
47/25 
C571
0.022 
IC562
KIA4558P
C574
0.0027
R578
150K
R579
220K
C570
0.022 
R589
100K
C579
2.2/50
C578
2.2/50
R590
100K
J128
1K
J129
1K
J130
1K
D566
1SS133
D565
1SS133
D564
1SS133
R581
68K 
R582 12K
R583
68K 
C575
0.0027
R586
220K
R584
12K 
C576
0.0027
R585
220K
R587
390K
IC563 
KIA4558P
R157
220K
R637
470K
C160
0.01
R574
100 
R638
470K
D601
1SS133
D602
1SS133
C577
0.0027
R588
390K
CNP702
IC561~IC563: OPE AMP.
JK601
VIDEO IN
BI11
CNS11
FFC701
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