- 20 -
BLOCK DIAGRAM(POWER)
INPUT
AC
100~240V
LINE FIL
TER
X-CAP
Y
-CAP
MAIN
TRANS
FORMER
EPC5050
PFC
TRANS
EER3124
ST
-BY
TRANS
EED1916
PFC
CONTROL
FEED BACK
FEED BACK
ST
-5.0V
PROTECT
OR
DETECT
OR
FEED BACK
MAIN CONTROL
ST
-BY
CONTROL
RECTIFIER & FIL
TER
RECTIFIER & FIL
TER
BRIDGE
RECTIFIER
INVERTER
24V
PWR-CTL
ACTIVE HIGH
MAIN
18V
12V
33V
MAIN
3.4V
6.0V
DC/DC
CONVERTER