Samsung PS42D51SX/XEC Service Manual page 92

1. Block Diagram
Vs Input Part
DC DC SMPS receives Vs input (195~215V) from the Main SMPS and the necessary Vscan, Vset and Ve voltages are output to
operate the PDP Module as shown in the block diagram above.
Samsung Electronics
Transformer
Auxiliary
Control
Power
and
Switching Block
Transformer
Auxiliary
Control
Power
and
Switching Block
Transformer
Auxiliary
Control
Power
and
Switching Block
Vscan Output
Rectification
Block
Feedback
Block
Vset Output
Rectification
Block
Feedback
Block
Ve Output
Rectification
Block
Feedback
Block
Circuit Description
13-7