Mitsubishi S290U Service Manual page 82

PCB-PFC
IC9M0 FA5331M
SYNC CT CS
14 15 11
10µA
OSC UVLO
BIAS
0max
5V
15k
PWM COMP
5k
CURR.AMP
10k
R
S Q
OCP
S
Vocp
16 1
IDET IFB IIN-
REF VCC ON/OFF
13 10 12
ON/OFF
BIAS
9
8
7
ER.AMP
6
MUL
Vr
5
OVP
4
Vp
2 3
VDET
IC BLOCK DIAGRAMS
VC
OUT
GND
VIN-
VFB
OVP
15