Read Sharp SD-EX200 (serv.man12) Service Manual 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
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