TROUBLESHOOTING
Picture OK but no sound
• Press the VOL +/- buttons.
• Sound muted? Press the MUTE button.
• Try another
channel.
The problem
may be caused
by the
broadcaster.
No output from one of the
• Adjust the Balance settings in the AUDIO menu.
speakers
• A change in ambient humidity or temperature
may result in
Unusual sound from
an unusual noise when the TV is switched on or off and does
inside the TV
not indicate a fault with the TV.
No sound when
• Check if the input source is HDMII/HDMI2/HDMI3.
connecting HDMI
• Keep the RF coaxial cable away from the other connected
Audio noise
cables.
• Select the SET Password
setting in the LOCK menu, then
Lost password
enter the following
master
password
"8899".
The master
password
clears your previous
password and allows you to
enter a new password.
• Adjust
the resolution,
horizontal
frequency,
or vertical
frequency.
The signal is out of range
(invalid format)
Vertical bar or stripe on
background
& Horizontal
Noise & Incorrect position
Screen color is unstable
or show a single color
• Use Auto configures or adjust clock, phase, or H/V position.
• Check the signal cable.
• Reinstall the PC video card.
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