Acer AT2703 Service Manual

The maximum resolution supported by the LCD panel is 1366 x 768.

The Acer AT2703 supports PAL, NTSC, and SECAM video formats, as well as 480i/576i, 480p/576p, 1080i, and 720p formats.

The main components of the Acer AT2703 as shown in the block diagram include the Panel, Inverter, I/O Board, Power Board, Main Board, IR & power button Board, Speaker-L, Tuner, Scart RGB, Key & Earphone Board, and Speaker-R.

The Acer AT2703 has an Audio-in port for connecting audio sources. For AV3, Composite, and component inputs, the audio is shared through the same audio port.

To switch from TV/AV mode to Teletext mode, press the 'TELETEXT' button.

Acer recommends the following priority for connecting external devices: 1. HDMI, 2. DVI, 3. Component, 4. SCART, 5. Composite. Note that HDMI is only available for models AT2604/AT2704/AT3204/AT3704, and DVI is only available for models AT2604/AT2703/AT2704/AT3204/AT3704.

To access the OSD (On Screen Display) menus, press the MENU button on the remote control or the MENU button on the control panel. This will bring up the main OSD menus, which include Picture, Audio, Channel management, Options, Settings, and Empowering.

To navigate the OSD menus, use the up and down directional keys to select the desired menu. Once in a menu, use the up and down keys to scroll through the options and the left and right keys to adjust the settings. To save the settings, hold down the Enter button on the remote control for more than two seconds. You can also interact with these menus using the front panel controls.

To change the default setting of the Empowering Key, press and hold the Empowering Key for more than two seconds to open the menu. Use the directional keys to navigate to the Empowering Technology icon and select your preferred setting. Press MENU to exit.

To manage and lock a specific channel, follow these steps: Navigate to the channel, press the MENU key, go to the Channel management menu, select Lock this channel, enter your PIN, reconfirm it, and then press MENU to exit.