Power Block; Power Block Diagram - Daewoo DP-42GM Service Manual

4-3. POWER BLOCK

4-3-1. POWER BLOCK DIAGRAM

Line
Filter
ST- BY
5V
If Power is ON , V_PFC and V_LOW BLOCK is working and Voltage generated in V_LOW s
2nd Coil actuates V_ADD. After V_ADD is ON , 2nd Voltage generated in V_ADD BLOCK
acutates V_SUS BLOCK again.
Main B+
PFC
B+ 15V
Sequence
Control
Block
IC B+
Main B+
IC ON/OFF
POWER
ON/OFF
Protectio n
Control
Block
ST- BY
-30-
Vlow
Vadd
Block
IC ON/OFF
Vsus
Main B+
IC B+
5V out
12V out
30V out
15V out
5V out
3.3V out
Vadd
Discharge
Vsus
Vyer
Vyer