Samsung LE32S67BDX Service Manual page 46

13-3-7 40" IP Board
EMI Filter
Power
Input
(AC90V
Rectifier
~264V)
VCC
On/Off
13-3-8 40" IP Board
SWITCHING
Power
Input
(380V)
Gate
UVLO
DRIVE
Opto-Coupler
ON/OFF
DIM
RFC
SWITCHING
(switching,
Inductor)
Feedback
Protection
FWM FWM
CONTROLLER CONTROLLER
Stand-by
CONTROLLER
(Switch)
TRANSFORMER
Opto-Coupler /
Pulse-
Transformer
CONTROLLER
Feedback
TRANSFORMER
Rectifier
Rectifier
Rectifier
Feedback
Opto-
Protection
coupler
TRANSFORMER
Rectifier
Feedback
Protection
2 nd
Balance
Resonant
Board
Voltage /
Current /
LAMP /
Detection
13 Circuit Descriptions
13.0V / 0.4A
12.0V / 2.5A
5.4V / 43.5A
6.2V / 0.4A
LAMP
LAMP
13-7
Free Datasheet http://www.Datasheet4U.com