Download Print this page

Sharp SM-SX1 Service Manual page 18

1-bit amplifier
Hide thumbs

Advertisement

SM-SX1/SX1W
CNWAM1
A
1
2
TO MAIN PWB
P15 8-A
3
4
CNWAM1A
1
B
2
3
TO MAIN PWB
P14 5-A
4
5
6
C
CNWAM2A
D
E
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
1
1BIT AMP.PWB-B
CA86
CNPA2
ANALOG IN R-CH
2.2
R
1
1
RA86
100K
AGND
2
2
CNWAM1B
ANALOG IN L-CH
CNPA1
AGND
1
1
L
2
2
RA85
CA85
CNWAM1C
100K
2.2
CNPA4
DIGITAL IN R-CH
R+
1
1
ZDA81A
HZ7A2
2
2
AGND
ZDA82A
HZ7A2
R-
3
3
CNWAM2B
DIGITAL IN L-CH
CNPA3
L-
1
1
ZDA83A
HZ7A2
AGND
2
2
ZDA84A
HZ7A2
3
3
L+
CNWAM2C
3
DA2
RA30
1SS355
47K
RA22
4.7K
5
DA4
RA32
1SS355
47K
RA24
4.7K
QA4
2SA1483
DA3
RA31
1SS355
47K
RA23
4.7K
QA3
2SA1483
DA1
RA29
1SS355
47K
RA21
4.7K
QA1
2SA1483
2
Figure 18 SCHEMATIC DIAGRAM (5/10)
RA70
20K
AGND_AD
AGND_AD
RA71
20K
CA82
RA2
2.2
10K
ZDA81B
RA82
HZ7A2
100K
ZDA82B
AGND_AD
HZ7A2
RA84
RA4
CA84
100K
10K
2.2
ZDA83B
CA83
RA83
RA3
HZ7A2
100K
2.2
10K
AGND_AD
ZDA84B
HZ7A2
RA81
RA1
CA81
2
100K
10K
2.2
4
+B
+B
DA6
RA34
RA38
47K
1SS355
390
RA42
CA24
QA2
390
0.22
2SA1483 RA26
GND_SW
4.7K
-B
QA6
2SA1483
5
RA46
RA50
1K
1K
-B
+B
+B
RA36
DA8
RA40
1SS355
47K
390
CA26
RA44
0.22
390
RA28
GND_SW
RA48
RA52
4.7K
1K
1K
QA8
2SA1483
-B
+B
+B
RA35
DA7
RA39
1SS355
47K
390
RA43
CA27
390
0.22
RA27
GND_SW
RA47
4.7K
1K
QA7
2SA1483
RA51
1K
-B
-B
+B
+B
DA5
RA33
1SS355
47K
RA41
RA37
CA25
390
390
0.22
RA25
GND_SW
RA45
RA49
4.7K
1K
1K
QA5
2SA1483
-B
3
4
– 18 –
+B
7Th ORDER
CONVERSION LSI
2
13
DGND_AD
14
15
RA6
RA8
75K
16
75K
AGND_AD
RA94
6.8K
17
CA6
10/63
18
CA5
RA92
10/63
6.8K
19
AGND_AD
20
21
22
23
RA7
RA5
75K
75K
+B
+B
CA7
24
0.22
RA91
6.8K
AGND_AD
RA93
6.8K
-B
-B
ICA4
6
CA32
HIP2100
CA28
0.22
0.22
-B
VDD
LO
1
8
GND_SW
-B
HB
VSS
2
7
CA36
HO
LI
3
6
0.22
HS
HI
4
5
CA40
GND_SW
-B
CA34
ICA6
CA30
0.22
HIP2100
0.22
-B
GND_SW
VDD
LO
1
8
-B
2
HB
VSS
7
CA38
HO
LI
3
6
0.22
4
HS
HI
5
-B
CA35
ICA7
CA31
0.22
HIP2100
0.22
-B
VDD
LO
GND_SW
1
8
2
HB
VSS
7
CA39
HO
LI
3
6
0.22
4
HS
HI
5
CA43
GND_SW
-B
CA33
ICA5
CA29
0.22
HIP2100
0.22
-B
GND_SW
VDD
LO
1
8
-B
2
HB
VSS
7
CA37
HO
LI
3
6
0.22
4
HS
HI
5
5
ICA1
IX2815AF
MODULATION
TEST
MCK
NC
12
NFR1(+)
GNDX
11
NFR2(-)
XO
10
GNDA
XI
9
+
R-CH IN
VDDX
8
R-CH Vref
VDDR
7
C
0
L-CH Vref
OUTR(+)
6
L-CH IN
OUTR(-)
5
RESET
GNDD
4
NFL2(-)
OUTL(-)
3
NFL1(+)
OUTL(+)
2
VDA
VDDL
1
-B
-B
ICA4~ICA7:FET D
DA10
-B
RA56
SM1XP2
10
DA12
SM1XP2
-B
RA54
-B
1.0
10
ZDA4
HZU12B3
CA44
HZ
1.0
+B
CA46
-B
RA58
1.0
10
CA42
ZDA8
1.0
HZU12B3
GND_SW
RA60
10
HZU
DA16
+B
SM1XP2
DA14
SM1XP2
DA13
-B
RA59
SM1XP2
10
DA15
SM1XP2
RA57
1.0
10
ZDA7
HZU12B3
CA45
H
1.0
+B
CA47
1.0
GND_SW
CA41
ZDA3
1.0
HZU12B3
RA53
10
HZU
RA55
+B
DA11
10
DA9
SM1XP2
SM1XP2
6

Advertisement

loading

  Related Manuals for Sharp SM-SX1

This manual is also suitable for:

Sm-sx1w