Sharp SM-SX100, Service Manual

Page: 30 / 76

SM-SX100
– 30 –
A
B
C
D
E
F
G
H
1
2 3 4 5 6
Figure 30 SCHEMATIC DIAGRAM (4/9)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 26.
CNP108
P29 9 - A
TO MAIN PWB
CNP107
TO MAIN PWB
P29 8 - A
1
2
3
4
1
2
3
4
5
6 3
2
1
3
2
1
3
2
1
2
1
3
2
1
2
1
2
1
2
1
L
AGND
AGND
R
L+
L–
AGND
AGND
R–
R+
DIGITAL IN R-CH
DIGITAL IN L-CH
ANALOG IN R-CH
ANALOG IN L-CH
AGND_AD
AGND_AD
AGND_AD
AGND_AD
AGND_AD
DGND_AD
+B
+B
24
23
22
21
20
19
18
17
16
15
14
13
VDA
RESET
R-CH IN
L-CH IN
L-CH Vref
R-CH Vref
GNDA
NFL2(–)
NFR1(+)
NFR2(–)
NFL1(+)
TEST
+B
12
11
10
9
8
7
6
5
4
3
2
1
MCK
GNDX
XO
XI
VDDX
VDDL
OUTL(+)
OUTL(–)
OUTR(–)
OUTR(+)
GNDD
VDDR
AGND_AD
+B
QA9~QA16: POWER SWITCHING
DGND_SW
+B
QA1~QA8: LEVEL SHIFT
8
7
6
5 4
3
2
1
HI
LI
VSS
LO
HS
HO
HB
VDD
–B
8
7
6
5 4
3
2
1
HI
HO
HB
LO
VSS
VDD
HS
LI
–B
–B
–B
DGND_SW
AGND_SW
AGND_SW
AGND_SW
–B
AGND_SW
8
7
6
5
4
3
2
1
AGND_SW
HI
HO
HB
LO
VSS
LI
VDD
HS
–B
+B
8
7
6
5 4
3
2
1
DGND_SW
DGND_SW
AGND_SW
AGND_SW
AGND_SW
LI HO
HI HS
VDD
VSS
LO
HB
AGND_SW
–B
–B
–B
–B
–B
+B
–B
–B
–B
–B
–B
–B
AGND_
–B
–B
AGND_SW
–B
–B
AGND_AD
+B
+B
–B
CA25
0.22
CA27
0.22
RA41
390
RA24
8.2K
RA52
1K
RA40
390
RA28
8.2K
RA36
47K
DA8
1SS355
QA8
2SA1483
QA4
2SA1483
RA48
1K
DA4
1SS355
RA44
390
RA32
47K
RA46
1K
DA6
1SS355
QA6
2SA1483
CA24
0.22
CA26
0.22
RA50
1K
RA38
390
DA2
1SS355
RA22
8.2K
RA34
47K
QA2
2SA1483
RA26
8.2K
RA30
47K
RA42
390
RA47
1K
DA7
1SS355
QA7
2SA1483
RA51
1K
RA39
390
DA3
1SS355
RA23
8.2K
RA35
47K
QA3
2SA1483
RA27
8.2K
RA31
47K
RA43
390
RA45
1K
DA5
1SS355
QA5
2SA1483
RA49
1K
RA37
390
DA1
1SS355
RA21
8.2K
RA33
47K
QA1
2SA1483
RA25
8.2K
RA29
47K
VRA1
200(B)
RA101
6.8K
RA61
680
VRA3
1K(B)
RA55
10
CA30
0.22
CA31
0.22
CA40
1.0
CA42
1.0
CA32
0.22
CA35
0.22
CA33
0.22
CA34
0.22
CA46
1.0
CA41
1.0
CA49
1.0
CA48
1.0
CA47
1.0
ICA4
HIP2100
ZDA6
HZU12B3
CA43
1.0
DA15
SM1XP2
RA60
10
ICA6
HIP2100
RA59
10
DA10
SM1XP2
CA36
0.22
ZDA8
HZU12B3
DA13
SM1XP2
CA39
0.22
CA44
1.0
CA45
1.0
CA28
0.22
ICA7
HIP2100
ZDA1
HZU12B3
DA16
SM1XP2
ZDA7
HZU12B3
RA58
10
ZDA3
HZU12B3
RA57
10
RA56
10
RA54
10
DA11
SM1XP2
RA53
10
ZDA5
HZU12B3
ZDA4
HZU12B3
ZDA2
HZU12B3
DA12
SM1XP2
CA38
0.22
ICA5
HIP2100
CA37
0.22
DA9
SM1XP2
DA14
SM1XP2
CA29
0.22
QA12 IRF530
QA10 IRF530
QA16
IRF530
QA14
IRF530
QA15
IRF530
QA13
IRF530
QA11
IRF530
QA9
IRF530
AGND_SW
RA2
10K
RA86
100K
RA85
100K
CA82
2.2
CA84
2.2
CA83
2.2
CA81
2.2
RA82
100K
RA84
100K
RA83
100K
RA81
100K
ZDA82 HZ7A3 ZDA84 HZ7A3
ZDA81 HZ7A3
ZDA83 HZ7A3
CA85
2.2
CA86
2.2
RA70
20K
RA71
20K
RA1
10K
RA3
10K
RA4
10K
CNWAM2A CNWAM2C
CNWAM2B
CNWAM1C
CNWAM1B
C
18P
1
CXA
11.2896
CA11
0.22
CA10
0.22
CA12
0.22
ICA1
IX2815AF
7TH ORDER
∆∑
MODULATION CONVERSION
CA5
10/16
CA6
10/16
RA94
6.8K
RA92
6.8K
CA7
0.22
RA93
6.8K
RA5
75K RA7
75K
RA8
75K
RA6
75K
VRA2
200(B)
RA102
6.8K
RA62
680
RA68
1.3K
RA67 1.3K
VRA4
1K(B)
RA91
6.8K
CNPA3
CNPA1
CNPA4
CNPA2
COREA1 COREA2 COREA3
CNWAM1A
FET DRIVER
FET DRIVER
FET DRIVER
FET DRIVER
1-BIT AMP
FEEDBACK
LEVEL
ADJUSTMENT
1-BIT AMP
FEEDBACK
LEVEL
ADJUSTMENT
–31.8V(8
Ω
)
–24V(4
Ω
)
31.8V(8
Ω
)
24V(4
Ω
)
–31.8V(8
Ω
)
–24V(4
Ω
)
–27.4V(8
Ω
)
–19.6V(4
Ω
)
–14.4V(8
Ω
)
–22.2V(4
Ω
)
8.1V(8
Ω
)
8.5V(4
Ω
)
8.1V(8
Ω
)
8.5V(4
Ω
)
8.1V(8
Ω
)
8.5V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
–31.8V(8
Ω
)
–24V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
3.9V
3.9V
3.9V
3.9V
–0.2V
–0.2V
–0.2V
–0.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
3.68V
3.68V
3.68V
3.68V
3.68V
3.68V
3.68V
3.68V
0V
0V
1.5V
1.5V
2.4V
2.4V
2.4V
2.4V
4.9V
1.5V
1.5V
4.8V 5V
2.5V
2.5V
2.5V
2.5V
5V
5V
1.3V
2.2V
0V
0V
–27.4V(8
Ω
)
–19.6V(4
Ω
)
–27.4V(8
Ω
)
–19.6V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
–27.5V(8
Ω
)
–19.7V(4
Ω
)
8.1V(8
Ω
)
8.5V(4
Ω
)
–27.4V(8
Ω
)
–19.6V(4
Ω
)
When it is touched with the tester, the relay is activated (oscillation is stopped.).
2
2
3
5
5
4
1
6
7
8