LG FLATRON E1940T - Page 12

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Copyright © 2010 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only
Only for training and service purposes
BLOCK DIAGRAM-CONVERTER
Converter
Boost Circuit
Ignition LED bar
ON/OFF circuit
Current balance
Control IC ta9690
Feedback
circuit
OVP circuit
Current
Feedback
DIM circuit
12V
ON/OFF
DIM