SD-AT1000 (serv.man11). Block diagram - Sharp Audio Service Manual (repair manual). Page 9

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SD-AT1000
– 20 –
 Figure 20 BLOCK DIAGRAM (9/10)
SLA5
SLA5515M
1
3
11
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15 16 17
20
21 22 23 24
1
2
3
4
5
6
9
10
11
13
12
15
16
17
18
19
20
21
14
9
10
11
6
5
4
3
2
1
9
10
11
13
12
15
16
17
18
19
20
21
14
6
5
4
3
2
1
D+5V
AMP_VCC 
D+5V
+B_AMP
A+5V
R-CH_1 
L-CH_1 
PWR_GND 
A+5V
AGND_AD 
DGND_AD 
D+5V
OUTA
VBBA
INA 
VBBA
OUTA
VBOOT
V
SA
VCC 
VKK 
VKK
VCC 
VKK 
GND
SB
SA
OUTB
OUTB
VBBB
VBBB
VDD
INB
VBOOTB
VBOOTA
INA 
VBBA
VBBA
OUTA
OUTA
L-CH_IN  1
AGND  1
R-CH_IN  1
Lch_+1
Lch_-1
Rch_-1
Rch_+1
Rch_-2
Rch_+2
DRIVER_+9V
+40V
TEST
NFR1(+)
NFL2(–)
NFL1(+)
NFR2(–)
GNDA
R-CH  IN
L-CH  IN
RESET
VDA VDDL
GNDD
OUTL(+) 
OUTL(–) 
OUTR(–) 
OUTR(+) 
VDDR
VDDL
VDDX
XI
XO
GNDX
MCK 
ANALOG  IN  R-CH
ANALOG  IN  L-CH
VKK
VCC 
VKK 
GND
SB
SA
OUTB
OUTB
VBBB
VBBB
INB
VBOOTB
VDD
VBOOTA
INA 
VBBA
VBBA
OUTA
OUTA
ANALOG
GNDX
TEST
11.2896 MHz
+  –
CNS933
FROM POWER SECTION
14
16
15
25
26
28
27
17
18
FRONT
SUBWOOFER
TO POWER SECTION
R-CH OUTPUT OFFSET ADJUSTMENT
L-CH OUTPUT OFFSET ADJUSTMENT
LFA200
DA116 
DA107 
DA400 
DA402 
DA401 
DA403 
PSA400
PSA402
PSA401
ICA102
SLA5515M
ICA
ICA101
ICA401
TJM4558CD 
OPE AMP.
QA414 
QA416
QA402
QA401
QA400
QA415
DA404 
CXA100
VRA101
VRA100
LFA403
CNA104
LFA402
LFA400
LFA100
LFA101
ICA200
IX0498AW
SWITCHING
AUDIO
POWER AMP.
SWITCHING
AUDIO
POWER AMP.
SWITC
AUD
POWER
ICA100
IX0498AW
7TH ORDER 
∆∑
MODULATION
CONVERSION LSI
7TH ORDER 
∆∑
MODULATION
CONVERSION LSI
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