Digimate LTV-2007 User Manual

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17
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.