Read Sharp CD-BA2000 (serv.man7) Service Manual online
– 27 –
CD-BA2000H
Figure 27 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
17
16
15
14
13
12
11
10
9
8
CLK
VDD
VREF
ROUT
RBASS
RTRE
RIN
RSEL0
R4
R3
R2
R1
+
-
+
-
-
-
+
-
+
-
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
+
+
-
-
Hich=CHROME
56K
56K
-
-
+
+
+
+
-
-
-
+
+
-
TUN_SM
A_+10V
D_GND
CLK
DI
CE
DO
TUN_L
A_GND
TUN_R
REC_L
REC_R
KOK OUT(R)
KOK IN(R)
M_10V
KOK IN(L)
KOK OUT(L)
S_MUTE
16KHz
63Hz
63Hz
16KHz
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
DI
CE
DO
CLK
SPAN_RCH
SPAN_LCH
A_+10V
T_T1 T2
-20dBATT
T_BIAS
REC/PLAY
D_GND
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
L
R
-VCC
+VCC
CHASIS
TO DISPLAY PWB
P28 1-D
TO TUNER SECTION
P33 9-G
0V
0V
0.7V
0.7V
0V
0V
11.7V
11.6V
11.6V
0V
0V
0V
0V
0V
VIDEO
IN
Rch
Lch
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
29
28
27
26
25
24
23
22
21
20
19
17 18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2
1
3
A
B
C
D
E
F
G
H
I
J
MAIN PWB-A1(1/2)
IC601
LC75341
AUDIO PROCESSER
C602
22/50
C614
10/50
R608
10K
R606
3.9K
C608
0.1
(ML)
C610
0.1(ML)
C620
1/50
C622
4.7/50
C624
10/50
10/50
C626
10/50
C646
0.0022(ML)
C650
0.001
R618
3.3K
C628
10/50
C630
10/50
C644
0.0033
C132 270P
C134
22/25
R140
1.5K
R142
100
C140
0.0033
C142 47/25
R146
10K
Q122
KTC3199GR
R156
220K
220K
R154
10K
R153
10K
Q121
KTC3199GR
R157
220K
C136
0.022
C145 22/25
C146 220/10
R158
220
R162 47K
Q124
2SA1015 GR
R164 4.7K
Q126
KRC104 M
R160
82(1/2W)
Q128
KTC3203 Y
R168 4.7
R166 22K
R167 47K
C154
0.047(ML)
C150
0.0082
(PP)
C152
47/25
L104 330
µ
H
C151
0.039(ML)
R145
10K
C141
47/25
C133
22/25
R141
100
C139 0.0033
R139 1.5K
C131
270P
R631
6.8K
C631
390P
R633
33K
R632
6.8K
C632
390P
R634
33K
JK601
D601
1SS133
D602
1SS133
C634
0.001
C573
0.022
ZD561
MTZJ6.2C
R569 100K
R570
100K
100K
C564
2.2/50
D562
1SS133
D563
1SS133
C565
2.2/50
R568
2.2M
IC562
IC562
KIA4558P
OPE AMP.
R565
390K
390K
C561
270P
270P
C562 270P
R564
33K
R563
12K
R562
470K
C563 0.0068
R561
47K
R567 2.2M
C566
0.0068
R638
470K
470K
R637
470K
470K
C574
0.0027
R587
390K
390K
C575
0.0027
R581
68K
R582
12K
C576 0.0027
R585
220K
D564
1SS133
R584
12K
R588
390K
390K
R583
68K
IC563
IC563
KIA4558P
OPE AMP.
C577
0.0027
D566
1SS133
C578
2.2/50
C579
2.2/50
R589 100K
C647
0.001
C572 47/25
C571 0.022
R577
330
R580
330
R576 330
IC561
IC561
KIA4558P
OPE AMP.
R579
220K
R578
150K
C570 0.022
C569
0.022
C568 0.022
C567
0.022
R575 150K
R573
220K
D565
1SS133
R590
100K
CNP701
CNP704
FC701
C135 0.022
C612
0.0027(ML)
R574
330
R586
220K
D561
1SS133
R566
220K
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