Sharp SD-EX200 (serv.man12) Service Manual ▷ View online
SD-EX200H
– 16 –
Figure 16 BLOCK DIAGRAM (5/6)
R-CH OUTPUT
OFFSET
ADJUSTMENT
OFFSET
ADJUSTMENT
L-CH OUTPUT
OFFSET
ADJUSTMENT
OFFSET
ADJUSTMENT
24
23
22
21
20
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
CXA100
LFA402
LFA403
CNA100
DA404
8
4
11
12
11
12
4
3
2
1
7
6
5
4
3
2
1
CNA101
TO MAIN SECTION
TO POWER SECTION
AMP_VCC
A+5V
D+5V
D+5V
A+5V
QA400
QA416
QA414
QA415
RCH_1
LCH_1
COMPA
OFFSET
11.2896 MHz
A+5V
AGND_AD
DGND_AD
D+5V
VCC
VKK
VKK VCC
L-CH_IN 1
AGND 1
R-CH_IN 1
PROTECT
PROTECT
OFFSET
RESET
NFR1(+)
NFL2(—)
NFL1(+)
NFR2(—)
GNDA
R-CH IN
L-CH IN
RESET
VDA
VDDL
GNDD
OUTL(+)
OUTL(—)
OUTR(—)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
ANALOG IN R-CH
ANALOG IN L-CH
3
2
1
V
V
ICA100
IX0498AW
7TH ORDER
∆∑
MODULATION
CONVERSION LSI
PROTECT
DETECT
PROTECT
DETECT
PROTECT
DETECT
CURRENT
SENSOR
VRA101
VRA100
– 17 –
SD-EX200H
Figure 17 BLOCK DIAGRAM (6/6)
BIA103
LFA101
DA107
DA116
LFA100
ICA401
TJM4558CD
TJM4558CD
8
4
LFA400
ICA102
SLA5515M
SWITCHING AUDIO
POWER AMP.
ICA101
SLA5515M
SWITCHING AUDIO
POWER AMP.
PSA400
11 10
9
8
7
6
5
4
3
2
1
12 13 14 15
16
17 18 19 20 21
1
2
3
7
6
5
11 10
9
8
7
6
5
4
3
2
1
12 13 14 15
16
17 18 19 20 21
5
4
3
1
6
5
4
3
1
BIA104
TO PROTECT SECTION
FROM POWER SECTION
OPE AMP.
OFFSET VOLTAGE
DETECTOR
OFFSET VOLTAGE
DETECTOR
AMP_VCC
+B_AMP
GND
+B
GND
VBOOTA
VBOOTB
DTADJA
OUTB
VBBB
DTADJB
OUTB
SA
VCC
SB
GND
VKK
VKK
OUTA
VDD
INB
OUTA
VBBA
VBBB
INA
VBBA
VKK
VKK
GND
SB
VCC
SA
OUTB
DTADJB
VBBB
OUTB
DTADJA
VBOOTB
VBOOTA
VDD
VBBB
INB
OUTA
VBBA
INA
VBBA
OUTA
L-CH_+1
L-CH_—1
R-CH_—1
R-CH_+1
DRIVER_+9V
+B
2
3
1
3
1
2
VDD
VSS
—
+
—
+
– 17 –
SD-EX200H
Figure 17 BLOCK DIAGRAM (6/6)
BIA103
LFA101
DA107
DA116
LFA100
ICA401
TJM4558CD
TJM4558CD
8
4
LFA400
ICA102
SLA5515M
SWITCHING AUDIO
POWER AMP.
ICA101
SLA5515M
SWITCHING AUDIO
POWER AMP.
PSA400
11 10
9
8
7
6
5
4
3
2
1
12 13 14 15
16
17 18 19 20 21
1
2
3
7
6
5
11 10
9
8
7
6
5
4
3
2
1
12 13 14 15
16
17 18 19 20 21
5
4
3
1
6
5
4
3
1
BIA104
TO PROTECT SECTION
FROM POWER SECTION
OPE AMP.
OFFSET VOLTAGE
DETECTOR
OFFSET VOLTAGE
DETECTOR
AMP_VCC
+B_AMP
GND
+B
GND
VBOOTA
VBOOTB
DTADJA
OUTB
VBBB
DTADJB
OUTB
SA
VCC
SB
GND
VKK
VKK
OUTA
VDD
INB
OUTA
VBBA
VBBB
INA
VBBA
VKK
VKK
GND
SB
VCC
SA
OUTB
DTADJB
VBBB
OUTB
DTADJA
VBOOTB
VBOOTA
VDD
VBBB
INB
OUTA
VBBA
INA
VBBA
OUTA
L-CH_+1
L-CH_—1
R-CH_—1
R-CH_+1
DRIVER_+9V
+B
2
3
1
3
1
2
VDD
VSS
—
+
—
+
– 17 –
SD-EX200H
Figure 17 BLOCK DIAGRAM (6/6)
BIA103
LFA101
DA107
DA116
LFA100
ICA401
TJM4558CD
TJM4558CD
8
4
LFA400
ICA102
SLA5515M
SWITCHING AUDIO
POWER AMP.
ICA101
SLA5515M
SWITCHING AUDIO
POWER AMP.
PSA400
11 10
9
8
7
6
5
4
3
2
1
12 13 14 15
16
17 18 19 20 21
1
2
3
7
6
5
11 10
9
8
7
6
5
4
3
2
1
12 13 14 15
16
17 18 19 20 21
5
4
3
1
6
5
4
3
1
BIA104
TO PROTECT SECTION
FROM POWER SECTION
OPE AMP.
OFFSET VOLTAGE
DETECTOR
OFFSET VOLTAGE
DETECTOR
AMP_VCC
+B_AMP
GND
+B
GND
VBOOTA
VBOOTB
DTADJA
OUTB
VBBB
DTADJB
OUTB
SA
VCC
SB
GND
VKK
VKK
OUTA
VDD
INB
OUTA
VBBA
VBBB
INA
VBBA
VKK
VKK
GND
SB
VCC
SA
OUTB
DTADJB
VBBB
OUTB
DTADJA
VBOOTB
VBOOTA
VDD
VBBB
INB
OUTA
VBBA
INA
VBBA
OUTA
L-CH_+1
L-CH_—1
R-CH_—1
R-CH_+1
DRIVER_+9V
+B
2
3
1
3
1
2
VDD
VSS
—
+
—
+
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