Samsung LE40R81BX - Page 41

13 Circuit Descriptions
13-8
13-3-5 37" Power Block
13-3-6 37" SMPS Diagram
Line
Filter
Part
PFC
Switching
Part
Resonance
Switching
Part
Resonance
Transformer
Output
Rectifier
Part
DC/DC
MC33167
DC/DC
LM2576
Inverter
SMPS
24V
Signal
5.3V
Signal
13V
Sound
12V
Stand-By
5.2V
Regulator
KA278R12
Resonance
Controller
F9222L
PFC
Controler
TDA4863
Stand-By
Controller
Viper22A
AC Input
(90Vac~264Vac)
AC
Rectifier
PFC
Rectifier
On/Off
Control
On/Off
EMI
FILTER
AC Input
90V~264V
INPUT
Rectifier
F9222L
Viper22A
Current
Resonant Type
450V
150uF
TDA4863
PFC DC
Output
Trans EER4445
Trans EE2020
PFC
Regulator
DC/DC
Converter
Sound
+12V / +9V
V5D
+5.3V
Stand-By
5.2V
INVERTER
24V
Main
+13V
DC/DC
Converter
On/Off
Control
Power On/Off
Signal
ST-BY
Transformer
Output
Rectifier
Part