Sharp CD-BA3100 Service Manual

– 29 –
CD-BA3100
Figure 29 SCHEMATIC DIAGRAM (4/10)
7
8 9 10 11 12
0.7V
0V
0V
0V
0.7V
0V
0V
0V
11.6V
0V
0V
0V
11.7V
11.6V
Q121,Q122 : MUTING
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
9 10
11
12
131415161718
8
7
TUN_L
CE
CLK
DO
A_+10V
GND
A GND
DI
TUN_R
REC_L
REC_R
+B
+B
+B
+B
+B
+B
+B
+B
CE CLK DI DO REC/PLAY T-T1 T2 T_BIAS –20dB ATT +5V A_+10V D_GND M_+12V M_GND AIN
S_MUTE
–20dBATT
CHASSIS
R
TO DISPLAY PWB
P30 1-E
TO TUNER SECTION
P35 11-H
R-CH
L-CH
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
1
1
2
3
4
56789
10
11 12 13
14
15
15
VCC
ALC GND ALC
RIPPLE
Nor/CrO2
+
+
–
–
Hich=CHROME
56K
56K
1
2
3
4
5
6
7
8
9
1
2
3
C132
270P
3
.
9K
R140
1.5K
C136
0.022
R142
100
C140
0.0033
C142
47/25
R146
10K
C134
22/50
C145
22/50
C146
220/10
Q121
KTC3199 GR
R153
10K
Q122
KTC3199 GR
R154
10K
R156
220K
R157
220K
5
5
5
0
R641 1K
R642 1K
R643 1K
C602
22/50
R608
10K
C614
2.2/50
R606
3.9K
C608
0.1(ML)
C610
0.1(ML)
C612
0.0027(ML)
C620
1/50
C622
1/50
C624
1/50
C626
1/50
C628
1/50
C630
1/50
R631
6.8K
R632
6.8K
C631
390P
C632
390P
R633
33K
R634
33K
JK601
VIDEO/AUX
IN
D601
DS1SS133
D602
DS1SS133
C634
0.001
CNP602
FFC702
CNP702
C152
47/25
Q128
KTC3203 Y
BIAS OSC
R168
4.7
C150
0.0082
(PP)
L104
330µH
C151
0.039(ML)
C154
0.047(ML)
R166
22K
R167
47K
R160
82
Q126
KRC104 M
BIAS
R164
4.7K
Q124
2SA1015 GR
R162
47K
R158
220
C157
1/50
C156
47/25
C155
22/50
R145
10K
C141
47/25
C139
0.0033
R141
100
C133
22/50
R139
1.5K
C131
270P
6
.
8K
3
.
9K
IC101
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK AMP.
R637
180K
R638
180K
C135
0.022
R626
8.2K
R624
10K
R623
10K
R625
8.2K
N
G

Sharp CD-BA3100 Specifications

General

Brand	Sharp
Model	CD-BA3100
Category	Stereo System
Language	English