SoundMax SM-LCD710, Instruction Manual

Page: 9 / 19

9
Troubleshooting
The following occurrences do not indicate that the television is faulty. Before
you request repair, follow the listed methods to check the device.
Occurrences Possible reasons
No picture and
sound
AC adapter or Car adapter is not properly connected.
Uncertified power is being used. Power switch is off.
Signal source is not properly chosen.
No picture Check to see if the channels are selected correctly.
Readjust automatic channel tuning. Channels should be
reset in a new region.
No sound Check to see if the audio volume is off or audio system
is improperly set and the earphone is inserted. Poor
signal or the sound mute function is on. Sound system
is not properly chosen.
Poor reception Check if the audio system is correct. Antenna is
correctly adjusted and that the channel is tuned
correctly.
Dark picture Check that the brightness and contrast are set
correctly. Also that the environmental is too low.
Vague picture or
unstable picture Check that the antenna is correctly adjusted. Possibly
the grounding signal is too weak. Snowflake
interference is possibly affected electric wave
interference from vehicle motors, trains, high-voltage
power wired or neon lights.
No color Check that the color and the video system are adjusted
correctly. If you are receiving bad signal.
Remote control
doesn’t work
Check to see that whether batteries are exhausted and
strong sunshine’s on the receiver.