Digimate LTV-2007 - Manual (Page 18)

17
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Troubleshooting
You are encouraged to diagnose the problem base on the following list before calling a
service center.
TV
Symptoms Possible Causes
Power does not turn ON
Ensure whether the power plug is securely inserted into the
receptacle.
There is no picture or
sound
‧ Ensure the television power is ON (Indicated by the green
LED on the front of the unit)
‧ Reception other than those of broadcasting stations can be
considered.
‧ Check for connection to wrong terminal or for wrong input
mode.
‧ Ensure the communication cable is properly connected
between the Video Source and the television.
There are spots on the
screen
Check whether your AV equipments is affected by
interference from automobiles, trains, high-voltage
transmission lines, neon signs or other potential sources of
interference.
Degraded colors or tints
Check whether all image adjustments have been properly
adjusted.
Improper screen
position or size Check whether screen position and size have been properly
adjusted.
The image appears
distorted Ensure the television's aspect ratio is properly set.
The image is purple
Check the "Component" or "RGB" setting in the television
and set it for the appropriate signal type.
The image appears too
bright, and there is a
loss of definition in the
brightest areas of the
image. ‧ Check whether the contrast setting is too high.
‧ The DVD player is set for a high-level output.
‧ The video signal has not been terminated properly
somewhere in the system.
The image appears too
'washed out', or the
darkest areas of the
image appear too bright.
‧ Check whether Brightness is set too high.
‧ The DVD player may be set at too high a brightness level.
If "xxx searching"
appears, the image or
signal cannot be
produced by display. ‧ Check the cable for disconnection.
‧ Check for connection to proper terminal or for proper input
mode.
Power indicator lamp
appears flashes blue
‧ Check the cable for disconnection.
‧ Check whether the screen is on power saving status
(DPMS)
"Over range" appears ‧Check whether the input signal is acceptable to the display.
Remote control does
not function properly
‧ Check for incorrect battery orientation.
‧ Check for dead batteries
‧ Check for distance and angle from the television.