Block Diagram; Smps Block Diagram - LG XC102 Service Manual

BLOCK DIAGRAMS

1. SMPS BLOCK DIAGRAM

RECTIFICATION
SMOOTHING
CIRCUIT
ZNR &
FILTER
AC INPUT
T
R
AMP
A
Switch
N
IC # 1
S
#1
T
R
MAIN
A
Switch
N
IC # 2
S
#2
3-20
AMP (+) 3 1.5V
FEED BACK
3.5V (278R35)
12V (78R12)
5V(P-SEN S)
6.1V (KIA278R05)
-12V
-31. 5V(VKK)
FL1-FL2 (4. 5V)
FEED BACK
3-21
P9701
P9702