Smps Board; 23" Power Block; 23" Smps Diagram - Samsung LE40R88BD Service Manual

13 Circuit Descriptions

13-3 SMPS Board

13-3-1 23" Power Block

Line
AC
Filter
Rectifier
Part
AC Input
(90Vac~264Vac)

13-3-2 23" SMPS Diagram

EMI
FILTER
INPUT
AC Input
90V~264V
13-4
PFC
PFC
Switching
Rectifier
Part
PFC
Controler
TDA4863
Stand-By
Controller
VIPer12A
PFC
PFC DC
Rectifier
Output
450V
150uF
TDA4863
Trans EE2020
Resonance
Resonance
Switching
Transformer
Part
Resonance
Controller
MC33067
On/Off
Control
ST-BY
Transformer
Current
Resonant Type
F222L
VIPer12A
On/Off
Control
Output
Rectifier
Part
DC/DC
MC33167
Regulator
KA78R09
Output
Stand-By
Rectifier
Part
Trans EER3944
INVERTER
24V
Main
+13V
Regulator
Sound
+9V
DC/DC V5D
+5.3V
Converter
Stand-By
5.2V
Power On/Off
Signal
Inverter
SMPS
24V
Signal
5.3V
Signal
13V
Sound
12V
On/Off
5.2V