18
Appendix
Troubleshooting
Look through the trouble shooting information. Some simple checks or minor adjustment of
the unit on your part may help resolve the problems. If the problems prove to beyond your
capability, you had better hand it over to a professional qualified technician.
The integrated circuits are easily breakdown by static. Make sure the antistatic protection has
been well taken before maintenance.
Troubles
Possible Cause
Suggested Solutions
No power
The power cord has not been well
connected
Plug the power cord into the outlet
tightly and turn on the power; if still
no power, turn off the power again,
and wait for 5-10 minutes, then
restart again.
Can
not
scan
programs
The antenna is not adjusted well
Adjust the antenna or use an
outdoor antenna.
Antenna incorrectly
Use
an
antenna
with
75
Ω
impedance input.
Parameter input incorrectly
Input
Frequency,
Bandwidth
parameter correctly.
No picture
Output cord is connected incorrectly
Connect the output cord correctly.
If the problem is still exit, the
output cord may damage.
The video output mode of the unit is
different from the mode of monitor
Reset the mode
No Color
The video output system of the unit is
different from the mode of monitor
Reset the color system
Image
distortion
at channel shift
normal
The
remote
control
fails to
work
Batteries incorrectly installed
Install the battery correctly
Batteries exhausted
Replace the battery
Beyond the effective operation range
Operate within an effective range
The remote sensor is pointed to by
bright light.
Place the unit elsewhere for a
change
Audio track and
subtitle language
are
not
the
chosen items
Has not chosen the right sound track
Press the Audio button to shift the
track
No sound
The unit is in a mute status
Cancel the mute
Volume is too low
Augment the volume
Cable is connected incorrectly
Connect the cable correctly
No
sound
by
chance
There might be a short circuit
Correct
the
output
cable
connection, and turn on again.
In mute status
Cancel the mute
Stay asleep
Turn on the unit
Poor
picture
quality
Too much interferential signals
Adjust the position of antenna.
Flash Drive can’t
be read
The USB cable connected incorrectly
Connect the cable correctly.
The flash drive’s current is too heavy,
the product wouldn’t afford it.
Provide external power source.
The flash drive runs self-protection
program because of external device
short circuit.
Change the short circuit device
and restart the product.
