Read Sharp SD-AT50H (serv.man11) Service Manual online
– 17 –
SD-AT50H
Figure 17 BLOCK DIAGRAM (7/9)
IC901
STRF6267
SWITCHING
REGULATOR
5
4
2
1
CNP901
RL911
BI901
D920
F901
T3.15A L 250V
D911
3
2
1
PC901
TRS901
IC911
SE-B2
ERROR
AMP.
2
IC912
KIA7812AP
VOLTAGE
REGULATOR
3
1
L901
AC LINE
FILTER
L902
AC LINE
FILTER
D901
D913
3
2
1
IC913
S812C37A
3.7V REGULATOR
3
2
T901
SWITCHING POWER TRANSFORMER
3
3
1
2
1
A_-15V
+12V
POWER
ETECT
NT
TIMING_CK
TIMING_CK
AC_DETECT
AC_DETECT
+3.7V(UCON)
+15V
A__+15V
RIVER
-15V
AMP_CLK
AMP_STB
AMP_SOUT
AMP_INT
AMP_SIN
D_+7.5V
-B_CONT
CON)
V
V
A_+15V
A_-15V
BUFFER
RELAY
DRIVER
Q919
Q925
Q911
Q924
Q922
Q921
Q920
Q918
Q923
Q901
FB/SYNC
Drain
OCP
SYNC
GND
Vin
13
11
12
8
1
2
3
4
5
9
7
2
6
5
4
10
3
1
4
3
2
1
SO901
AC SOCKET
AC 230V, 50 Hz
AC POWER
SUPPLY CORD
Click on the first or last page to see other SD-AT50H (serv.man11) service manuals if exist.