SD-CX1 (serv.man7). Part 4 - Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 11

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SD-CX1H
– 52 –
Figure 52 SCHEMATIC DIAGRAM (11/14)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 37.
• The numbers   
1 
  to  
12 
 are waveform numbers shown in page 69.
4
3
2
1
10
6
5
7
8
+B
+B
+B
+B
–B
L-CH
3
3 
3 
3 
2
2 
2 
2 
1
1 
1 
1 
L-CH
R-CH
ANALOG  IN  R-CH
ANALOG  IN  L-CH
R-CH
17
23
22
21
20
19
18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
MCK 
GNDX
XO
XI
VDDX
VDDR
OUTR(+)
OUTR(–)
OUTL(–)
OUTL(+)
GNDD
RESET 
L-CH  IN
R-CH  IN
R-CH  VREF
L-CH  VREF
GNDA
NFR2(–) 
NFL1(+) 
NFL2(–) 
NFR1(+) 
TEST
24
2
1
VDDL
VDA 
14 
13
12
11
10
9
8
7
6
5
4
3
2
1
3
3
2
2
1 1 
VDD 
VSS
LQ
HB
HB
LQ
VSS 
VDD
HB
LQ
VSS
VDD 
1 2 
VSS 
LQ
HB
VDD
8 7 
8 7 
1 2 
1 2 
1 2 
8 7 
8 7 
1.2V
1.2V
-5V
0V
1.6V
1.6V
0V
2.5V
2.5V
2.5V
2.5V
4.5V
1.6V
1.6V
5V
2.5V
5V
2.5V
0V
2.5V
2.5V
5V
5V
1.3V
2.2V
0V
2.5V
-7.6V
-12.2V
8.1V
-16.3V
-12.2V
-16.3V
-7.6V
8.1V
-12.2V
-16.3V
-7.6V
8.1V
39
V
-7.6V
8.1V
-12.2V
-16.3V
5V
2.2V
5V
2.2V
5V
2.2V
5V
2.2V
2.5V
2.5V
2.5V
2.5V
5V
0V
-14.5V
-16.3V
OFFSET
OUTPUT
R-CH 
+B
–B
–B
–B
OFFSET
OUTPUT
L-CH 
ICA110
NC
RA100
2.2K
RA101
2.2K 
C
DA109
1SS362 
DA108
1SS362
CA152
12P(CH)  
RA112
2.2K
DA100
KDS160 
CA153
18P(CH)
RA113
2.2K 
CA154
18P(CH)
RA114
2.2K 
CA155
12P(CH)
RA115
2.2K 
DA128
1SS361 
DA127
1SS361 
DA129
1SS361 
DA126
1SS361 
ICA110
QUAD 2 INPUT AND GATE
TC74AC8T
CA110
0.1
DA102
KDS160 
DA101
KDS160 
DA103
KDS160 
CA212
100/16 
CA213
100/25 
DA130     KDS160
CA111      330/6.3  
CA198    0.1 
CA131
0.22 
CA128
0.22 
CA121
0.22 
CA118
0.22 
RA116
10K  
DA104
KDS160 
CA115
1
DA105
KDS160 
CA113
1
RA118
220K
RA117
220K 
CA112
1
DA106
KDS160 
CA114
1
DA107
KDS160 
RA120
220K
RA119
220K
RA170
RA171
ICA104
ICA103
ICA102
RA166
RA173
8.2K 
RA174
8.2K 
CA129
0.22
CA12
0.22
CA126
0.22
CA119 0.22 
CA116
0.22 
C
RA167
CA184
47/10  
RA104
75K
CA100
18P(CH) 
CA101
18P(CH)
CA106
10/10  
CA105
10/10  
CA186
47/10  
CA187
0.001 
CA107
0.1  
CA181
100P(CH) 
CA185
0.001 
CA102
0.1
CXA100
11.2896MHz 
RA202
1K 
CA104
0.1
CA103
0.1
ICA100
1 BIT AD
CONVERTER
IX2815AF 
CA188
0.001
CA189
0.001
CA194
47/16  
ZDA110
MA8051M 
RA184
120K 
VRA101
10K(B) 
RA182
120K 
RA183
120K 
VRA100
10K(B) 
RA181
120K 
CA109
10/10
RA102
20K 
CA108 10/10  
RA103
20K  
RA180 
330
RA154
1.5K 
RA178
220 
RA179 330
RA177 220
CA164
100/10 
CA165
100/10
RA176
2.2K 
RA175 2.2K 
RA109
75K 
RA108
75K 
RA105 75K  
CA1
47/2
CA1
47/2
CA182
0.1
NC
ICA101
+B
Display
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