AOC A20S431, Service Manual

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AOC A20S431
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1.2 LCD TV Description
The LCD TV will contain a main board, a power board, a tuner board, a key board, IR board, and a headphone
board. The main board and power board will house the flat panel to control logic I2C bus, brightness control logic
for LCD panel, DC-DC conversion to supply the appropriate power to the whole board and transmitting TTL level
signals into LCD Module to drive the LCD display circuit.
The inverter board will drive the six CCFLs (Cold Cathode Fluorescent Tube).
The switching power board will provides the power ON/OFF to control the TV and control LED indicator for DPMS.
The function keyboard and Remote Control will provide the OSD control signal to the Main Board.
1.3 Interface Connector
1) RF TV port
2) Earphone output port
3) Right audio input port
4) Left audio input port
5) AV video port
6) S-VIDEO video port
7) Power input port