Sharp SD-EX220H Service Manual page 14

SD-EX220H
RCH_1
R-CH_IN 1
7
ANALOG IN R-CH
AGND 1 6
LCH_1
L-CH_IN 1 5
ANALOG IN L-CH
RESET 4
PROTECT 3
OFFSET
2
PROTECT
OFFSET
1
COMPA
CNA101
CNA100
LFA402
A+5V
1
AGND_AD
2
LFA403
D+5V
3
DGND_AD
4
R-CH OUTPUT
OFFSET
VRA100
ADJUSTMENT
VRA101
L-CH OUTPUT
OFFSET
ADJUSTMENT
A+5V
A+5V
QA415
PROTECT
DETECT
D+5V
GNDX 11
14 NFR1(+) XO 10
15 NFR2(-)
GNDA
16
XI 9
VDDX 8
R-CH IN
17
VDDR
7
OUTR(+) 6
OUTR(-) 5
GNDD
4
20 L-CH IN
OUTL(-) 3
21 RESET
22 NFL2(-)
23 NFL1(+) OUTL(+) 2
24 VDA VDDL 1
ICA100
IX0498AW
7TH ORDER Æ·
MODULATION
CONVERSION LSI
QA414 QA416 QA400
PROTECT PROTECT CURRENT
DETECT DETECT
SENSOR
4 – 4
CXA100
11.2896 MHz
D+5V
2
3
1
DA404
11 10 9
12 13 14
11 10 9
12 13 14
1
4 VSS
8
VDD
7