SOURCE: Westinghouse SK32H240S TV will not show picture...
Some solutions to this same problem were posted here, hope this helps.
SOURCE: tv guide on our LG tv
If, when selecting the guide, the entire screen is black (except for the preview in the corner), then the digital main board has gone bad and will need replaced.
Hope this helps, please rate my solution.
SOURCE: TV turns on with sound but blank black screen
This solution from troylove solved my problem.
troylove11
Rank: Wiz
Rating: 85%, 1164 votes
This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source.
SOURCE: Tv turns on cable is in tv,but no cable or anything black screen
First is the cable active? If so make sure all cables are connected propperly from the outside sorce to the tv. If all of the above are ok check the remote menu to make sure that it is acsessing the correct inport source:cable,antenna,hdmi,etc. Also with the change over to digital you may have to have the tv rescan all availlable channels.
SOURCE: TURN ON TV, SHOWS PICTURE FOR A SECOND, THEN THE
there is a bad capacitor in the power board
The Can shaped little device will have a domed or puffed up top on it the value is printed on the side you can , or have someone replace the cap and you should be all set
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