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Frequently asked questions
The resolution of the Haier 40D3500M TV is 1920x1080 pixels.
To turn on or off the Haier 40D3500M TV, use the PWR-ON/OFF button located on the front panel.
The Haier 40D3500M TV supports various input options including RF IN, AV, RGB, VGA, AUDIO, HDMI (3 ports), YPbPr, CVBS1, and USB PORT.
The SPDIF_OUT function is used for digital audio output. It allows you to connect external devices that support digital audio input, such as soundbars or AV receivers.
To enter Hotel Mode, press 'source-1-0-0-1' on your remote control. To exit Hotel Mode, press the 'exit' key.
If you are having trouble controlling your TV with the remote, you may need to replace the Remote Control Board or keyboard. If replacing these components does not resolve the issue, consider checking other parts such as the Mainboard, UD9, UD7, or UD8.
To check if your TV's power board is functioning correctly, you need to verify several voltage levels. First, ensure there is 5V at pin7/pin8 and 12V at pin12/pin13 in J16. Next, check for a high level (2.5V-5.0V) at pin5 in J16. If these voltages are present, power on the TV and verify if there is 5V standby voltage on the Power board.
Vertical bars can be caused by several issues, including TCP cracking or cracking, a sunken TCP, TCP lead cracking, ACF bonding short, an awful environment with electrical interference entering the LCD, misalignment between the TCP and panel, or failure of the panel itself.
Horizontal gray lines can be due to a sunken TCP, TCP lead cracking, ACF bonding short, an awful environment with electrical interference entering the LCD, misalignment between the TCP and panel, or failure of the panel itself.
The cacophony sound is likely due to mechanical noise from the backlight unit. This could be caused by issues such as bad connections between wires and electrodes, or damaged B/L wire.
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