DIAGRAMA DE BLOQUE
1. DIAGRAMA DE BLOQUE DE SMPS
RECTIFICATION
SMOOTHING
CIRCUIT
ZNR &
FILTER
AC INPUT
MAIN&
PWM IC
AMP (+) 3 1.5V
3.5V (278R35)
12V (78R12)
T
5V(P-SEN S)
R
A
5.6VA (KIA278R05)
N
S
-31. 5V(VKK)
BETWEEN FL1 AND FL2(4.5V)
FEED BACK
3-26
3-27
-12V
CN1
CN2