Sanyo PDG-DXL2000 Service Manual page 46

IC Block Diagrams
l FA7701 <DC-DC Control, IC5611>
l FA7703 <DC-DC Control, IC5631>
1
RT
U V L O
V R E F
VREF
2.2V
2
REF O S C
BIAS
1.5V
Power Good Signal
3
IN–
0.88V
+
–
P W M
E R . A M P
4
FB
FA7701
8
0.3V ON/OFF
–
+
7
5.5V
S.C.P
+
1.5V
–
S.C.DET
2.2V
+
–
6
OFF
ON/OFF
+
–
+
5
-46-
CS
VCC
OUT
GND