Read Sharp SD-AT50H (serv.man13) Service Manual online
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SD-AT50H
Figure 35 SCHEMATIC DIAGRAM (6/11)
7
8
9
10
11
12
5
4
2
1
3
2 1
3 2
1
2
3
1
3
AC_DETECT
AC_DETECT
POWER
CHASSIS GND
FB/SYNC
SYNC
OCP
GND
VIN
1
2
3
CHASSIS GND
2
1
4
3
AC POWER SUPPLY CORD
+B
-B
+B
+B
+B
+B
When Servicing, pay attention as the
area enclosed by this line ( ) is
directly connected with AC main voltage.
area enclosed by this line ( ) is
directly connected with AC main voltage.
R918
39K(2W)
R901
33K(2W)
C918
3300
T901
SWITCHING POWER TRANSFORMER
D924
1N4004S
R950
10K
C961
0.0056
R951
33K
C963
0.018
(ML)
Q923
KTC3199 GR
C962
560P
D915
EK19
C924
0.0047
D913
SF10SC9
D914
EK19
C923
0.0047
C935
1000/25
C922
0.01
R952
10K
C936
1000/25
R927
6.8K
R946
4.7K
ZD912
DZ5.6BSB
C957
220/25
ZD911
DZ9.1BSB
R947
4.7K
C959
1/50
Q918
KTC3199 GR
Q922
KTC3199 GR
R945
33K
R928
100K
Q924
3199 GR
R936
100K
R929
4.7K
F901
T3.15A L 250V
SO901
AC SOCKET
AC 230 V, 50 Hz
C901
0.1
R915
390K(1/2W)
VA901
10V471K
L901
AC LINE
FILTER
L902
AC LINE
FILTER
C903
0.001
C902
0.001
C904
0.0022
C905
0.1
C908
0.0022
C909
0.0022
D901
D5SB60
C907
0.0022
C906
0.0022
C910
180/400
TH901
R909
47K(2W)
C911
0.001
C917
0.01
C916
0.01
R912
0.18
(2W)
R911
0.18(2W)
R910
220
ZD904
DZ20BSC
D902
D1NL20U
R905
4.7K
R903
10
D903
D1NL20U
ZD902
DZ36BSD
R904
15K
R917
22(1/2W)
ZD901
DZ20BSB
Q901
2SD1616 A
R906
3.3K
D905
D1NL20U
C913
820P
D904
D1NL20U
C919
33/35
R953
150K
C915
4.7/50
R907
1.5K
C914
0.0047
D907
SARS03
IC901
STRF6267
SWITCHING REGULATOR
R949
15K
Q920
KTC3199 GR
Q921
KRC106 M
D921
D1NL20U
R932
3.9K
(1/2W)
BT148
TRS901
D916
EU02A
D919
D1NL20U
D923
D1NL20U
R934
1K
(1/2W)
C960
0.0015
(ML)
R935
1.5K
R933
3.3K(1/2W)
C926
22/50
D918
D1NL20U
D917
D1NL20U
C921
0.01
D911
SF10SC9
D912
EK19
R939
680
D922
D1NL20U
PC901
PC123FY8
R921
2.7K
D906
D1NL20U
C912
220P
R908
1M
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