AUDIOVOX FPE3000 _ PRIMA LC30B1 - LCD TV _ TROUBLESHOOTING_SOFTWARE UPDATE
TROUBLESHOOT [CUSTOMER]
Picture is
out of focus or jumping
|
- Bad status in signal receiving
- Maybe broadcast signal itself is not good
- Check if the outdoor antenna is disconnected.
- Check if the antenna is
correctly oriented.
|
Fringe in
picture
|
- Check if the antenna is correctly oriented.
- Maybe there is electric wave
reflected from hilltop or building
|
Picture is interfered by stripe
shaped
bright spots
|
- Possibly due to interference from automobile,
train, high voltage transmission line, neon lamp etc.
- Maybe there is interference
between antenna and power supply line. Please try to separate them in a
longer distance.
|
There appear streaks or light color
on the
screen
|
- Check if interfered by other
equipment and if interfered possibly by the equipment like transmitting
antenna, non professional radio station and cellular phone.
|
Unable to
switch the power on
|
- Check to see if the power plug
has been inserted properly into the socket.
|
No picture
and sound
|
- Check to see if the power supply of liquid
crystal TV has been switched on. (as can be indicated by the red LED at
the front of the TV set)
- See if it’s receiving the signal that is
transmitted from other source than the station
- Check if it’s connected to the wrong terminal
or if the input mode is correct.
- Check if the signal cable
connection between video frequency source and the liquid crystal TV set
is correct.
|
Deterioration
of color phase or color tone
|
- Check if all the picture
setups have been corrected.
|
Screen
position or size is not proper
|
- Check is the screen position
and size is correctly set up.
|
Picture is
twisted and deformed.
|
- Check to see if the
picture-frame ratio is properly set up.
|
Picture
color changed or colorless.
|
- Check the “Component”
or”RGB”settings of the liquid crystal TV set and make proper adjustment
according to the signal types.
|
Picture
too bright and there is distortion in the brightest area
|
- Check if the contrast setting is too high.
- Possibly the output quality of DVD broadcaster
is set too high.
- It maybe also due to improper
terminal connection of the video frequency signal in a certain position
of the system.
|
Picture is
whitish or too bright in the darkest area of the picture
|
- Check if the setting for the brightness is too
high
- Possibly the brightness grade
of DVD player (broadcaster) is
set too high.
|
No picture
or signal produced from the displayer if “XXX in search” appears.
|
- Check if the cable is disconnected.
- Check if it’s connected to the
proper terminal or if the input mode is correct.
|
There
appears an indication - “outside the receivable scope)
|
- Check if the TV set can
receive input signal. The signal is not correctly identified and VGA
format is beyond the specified scope.
|
Remote
control cannot work properly
|
- Check if the batteries are installed in the
reverse order.
- Check if the battery is effective.
- Check the distance or angle from the monitor.
- Check if there is any obstruct between the
remote control and the TV set.
- Check if the remote control
signal- receiving window is exposed to strong fluorescence.
|
No picture
and sound, but only hash
|
- Check if the antenna cable is
correctly connected, or if it has received the video signal correctly.
|
Blur
picture
|
- Check if the antenna cable is correctly
connected.
- Of if it has received the
right video signal.
|
No sound
|
- Check if the “mute” audio frequency setting is
selected.
- Check if the sound volume is set to minimum.
- Make sure the earphone is not connected.
- Check if the cable connection
is loose.
|
When
playing VHS picture search tape, there are lines at the top or bottom of the
picture.
|
When being
played or in pause VHS picture search tape sometimes can’t provide stable
picture, which may lead to incorrect display of the liquid crystal TVIn this
case press “auto” key on the remote control so as to enable the liquid
crystal TV set to recheck the signal and then to display correct picture
signal
|
SOFTWARE UPGRADING
- Select a serial connection wire and a
VGA connection wire and then connect them by means of a patch panel; Use a serial wire to connect the PC to the patch panel and set TV
set to off state; Open the
software upgrade file holder and double click; "FlashUpgrader NT.exe. icon.
The
following interfaces will show up after running the program:
- Based
on the computer features, set up the serial port(COM Port). Select
corresponding serial port (if it’s unable to FLASH WRITE, change to another
port). Baud is selected to be 115200. Then select Reset Target After Download.
Click FLASH push button, it’s ready to run.
- Switch on TV set the FLASH write
program begins to run;
- After FLASH write is over, push button “cancel”
will become flash. Then shut the main power supply and it’s OK just switch it
on again.
Note: Do not shut the power off or turn the TV
set on during the FLASH write. Otherwise it may lead to no way for flash to
rewrite.