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 inside
an unusual noise when the TV is switched on or off and does
the TV
not indicate a fault with the TV.
No sound when connecting
• Check if the input source is HDMII/HDMI2/HDMI3.
HDMI
Audio noise
Lost password
The signal is out of range
(invalid format)
Vertical bar or stripe on
background
and Horizontal
Noise and incorrect position
Screen color is unstable or
show a single color
• Keep the RF coaxial cable away from the other connected
cables.
• Select the SET Password
setting in the LOCK menu, then
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.
• Use Auto configures or adjust clock, phase, or H/V position.
• Check the signal cable.
• Reinstall the PC video card.
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