Read Sharp SD-AT100 (serv.man5) Service Manual online
– 83 –
SD-AT100H
Figure 83 SCHEMATIC DIAGRAM (12/23)
7
8
9
10
11
12
Q905
KTC3199 GR
R973
1K
ZD924
DZ270BSA
R972
2.7K
C971
0.1
C972
100/25
IC926
TA78DL12AF
3
2
1
R978
4.7K
R979
4.7K
R974
820
3
2
1
10
9
8
7
6
5
4
3
2
1
1
2
3
5
4
6
7
8
10
9
12
11
13
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
5
2
4
3
1
2
3
1
2
3
CHASSIS
GND
CNP704
P84 1 - A
TO
EAKER A PWB
GND(D1)
1
3
2
1
2
3
1
2
2
1
INH
FB/
S
GND
VCC
CONT
CHASSIS GND
IC923
+B
-B
-13V
+13V
POWER C PWB-D3
AC POWER
SPPLY CORD
POWER A PWB-D1
When Servicing, pay attention as the area
enclosed by this line ( ) is directly
connected with AC main voltage.
enclosed by this line ( ) is directly
connected with AC main voltage.
R901 68K(2W)
R995
8.2K
F901
T2.5A L250V
C901 0.1
C902 0.1
C916
0.001
C917
0.001
C918
0.0022
L902
ACLINE FILTER
L903
ACLINE FILTER
D907
TS6B05GM
R919
1M
SO900
AC INPUT SOCKET
230 V
50 Hz
C904
0.0022
C913
0.0047
C912
0.0047
NS906
CNP906
T991
SWITCHING POWER
TRANSFORMER
D924
SFPB76
C939
220/63
C933
470/25
C932
470/25
PS925
6.2
POSISTOR
D925
SFPB76
IC901
STR6629B
SWITCH
D921
DX0522CE
C938
220/63
C921
5600/16
D923
DX0522CE
D927
SFPW56
PS921
THERMISTOR
C906
680P
R906
100
R907
39K
C929
5600/16
C925
1000/16
C931
1000/16
R921
1.5K
R905
4.7K
C909
470P
R912
680
R913
0.15
(3W)
R914
2.2K
R911 3.3K
D905
SFPL52V
D904
AW04
ZD901
DZ10BSB
R910
10
D903
SFPL52V
D902
SFPL52V
Q902
KTA1266 GR
ZD903
DZ6.8BSC
L922
4.7
µ
H
L921
4.7
µ
H
IC923
SE012N
ERROR
DETECTION
AMP.
ZD925
DZ3.0BSA
D926
AK06Z
C928
0.0047/400
R923
1.8K
C920
0.0047
R922
220
C924
0.01
C914
0.0022
C915
0.0022
R915
220K
D931
S1VBA60
C963
0.047
(ML)
C964
0.047
(ML)
C941
470/35
PC901
TLP621
PC902
TLP621
T901
SUB POWER
TRANSFORMER
C905
220/400
D906
SARS02
R904
47(2W)
R903
47(2W)
R902
220K(2W)
C907
0.01
TH901
THERMSTOR
C903
0.0022
C910
180P
Q901
KTA1266 GR
Q903
KTA1266 GR
R909
10K
ZD902
DZ200BSB
C911
33/25
R908 100K
Q904
2SC3852 A
VA901 10D471K
C908 47/25
CNP905
CNS904
CNP904
BI901B
BI901A
BI902
CNS902
RZ903
120K
RZ904
120K
RZ905
150K
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