2.3. Driver Board Block Diagram
The circuitry of Driver Board can mainly divided into five sections. They are Charger
circuit, UPS System Source Circuit, Input Power Factor Correction Circuit, DC to AC
Converter Circuit and DC Booster circuit. A block diagram is illustrated as follows:
2.4. Display Board Block Diagram
The circuitry of Display board can mainly be divided into two sections; one
is the display of LED and the other is the function keys. A block diagram is illustrated
as follows:
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