20” LCD TV TCL LCD20W5HE
15
2.3 LCD TV Description
The LCD TV will contain a main board, a power board, an IR board, a key board, a tuner board and a
headphone Board. The main board and power board will house the flat panel to control logic I²C bus, DDC,
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 five 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.
2.4 Interface Connector
(A) Power Cord Connector.
(B) RF Signal Connector.
(C) Video / Audio Signal Connectors.
(D) PC D-sub 15 pin Connector.
(E) PC Audio Connector
(F) SCART Connector
(G) S-Video Connector
(H) Composite Connector
(I) Component Connector
(J) HDMI Connector
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