Read Sharp SD-AT1000 (serv.man11) Service Manual online
SD-AT1000
– 18 –
Figure 18 BLOCK DIAGRAM (7/10)
D1_GND
D_+5V
A1_GND
AC_RELAY
FL–
FL+
VP
SP_RLY
PWR_GND
GND
D2_GND
A_GND
A_+15V
A_–15V
M_GND
2
1
3
AK09
AC POWER SUPPLY CORD
AC 120 V, 60 Hz
FB/SYNC
SYNC
OCP
GND
Vin
Drain
5
4
2 1
3
3
2
1
12
13
8
9
10
14
1
2
3
4
5
A_+5V
1
3
5
4
1
2
4
3
3
2
1
1bit_PWR_GND
1bit_+40V
1bit_DRIVER_+9V
DRIVER_+9V
TO 1-BIT AMP. SECTION
11
12
7
8
9
13
16
15
14
CNS701
FROM DISPLAY SECTION
CNA104
TO 1-BIT AMP. SECTION
C
TO MAI
1
1
2
2
IC901
STRF6229
SWITCHING REGULATOR
Q931
Q895
Q895
Q932
D902
D943
BI933
CNS933
T901
SWITCHING
POWER TRANSFORMER
D960
CNP901
D944
L931
IC933
KIA7809AP
VOLTAGE
REGULATOR
IC931
SE-B2
ERROR
AMP.
D936
D901
PC901
TH901
D942
D930
D939
D938
D945
D957
IC934
KIA7805AP
VOLTAGE
REGULATOR
PS932
PS931
F901
8A/125V
L901
L902
AC LINE
FILTER
AC LINE
FILTER
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