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Display contrast is low maintenance method of fault

Time£º2014-01-26 15:08:14  Source£ºNetwork  Author£ºUnknown  Clicks£º1274
  

 Symptom: xSNservice manual download site

 
The so-called low-contrast layering is dropped, and the color is not as bright before. 
 
Understand the point of failure errors: 
 
Many people think that after adjusting the contrast invalid contrast control circuit is faulty or has been aging CRT, these views are not quite right. 
 
Cause and Countermeasures: 
 
In most cases this is due to too much dust on the display caused, of course, we can not rule out the contrast control circuit section of a problem, but the possibility is very small, and the amateurs almost impossible for maintenance, so on the screen after cleaning invalid best to find a professional electrical maintenance personnel.