Text preview for : 07. Block Diagram.pdf part of Samsung syncmaster 920NW By Prem



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7 Block Diagrams

7 Block Diagram
7-1 Power tree

7-1

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7 Block Diagrams

7-2 Main Board part

7-3 IP Board Part (Power part)

7-2

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7 Block Diagrams

7-4 IP BOARD part(Inverter Part)

Vin voltage (+14.2V) DC to DC (+14.2V to 5.0V) Brightness control signal ON/OFF MosFET U501 MosFET U502 Transformer T502 CCFL1 CCFL2 Transformer T501 CCFL1 CCFL2

CCFL PWM Control IC IC501

Voltage feedback Current feedback

7-3

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7 Block Diagrams

Memo

7-4