Acer AT2701W, Руководство по обслуживанию, Страница: 8 / 63

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LCD TV DESCRIPTION
The LCD TV will contain a main board (include audio), a switching power board (include an inverter
board), an IR board, a function keyboard, a DPF Board and an Ear phone 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 sixteen 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.
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.
PRECAUTIONS AND NOTICES
1-1 ASSEMBLY PRECAUTION
(1) Please do not press or scratch LCD panel surface with anything hard. And do not soil LCD panel
surface by touching with bare hands (Polarize film, surface of LCD panel is easy to be flawed)
In the LCD panel, the gap between two glass plates is kept perfectly even to maintain display
characteristic and reliability. If this panel is subject to hard pressing, the following occurs :
(a) Uniform color (b) Orientation of liquid crystal becomes disorder
(2) Please wipe out LCD panel surface with absorbent cotton or soft cloth in case of it being soiled.
(3) Please wipe out drops of adhesive like saliva and water in LCD panel surface immediately.
They might damage to cause panel surface variation and color change.
(4) Do not apply any strong mechanical shock to the LCD panel.