Sharp LC-C3234U Support Question
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Question posted by marktalamante on August 23rd, 2011
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Current Answers
Answer #1: Posted by TVDan on August 24th, 2011 11:44 AM
I have seen many of each of these problems. To force it back on for testing purposes only (see below), unplug the AC power cord for 15 seconds or so, press and hold the [vol dn] and [input] buttons on the TV keyboard. Plug in the TV ac power cord and release the buttons as soon as the power LED indicator turn green.
This should over ride the shut down temporarily, and allow to see what the back lights are doing.
If they never light up, then it's probably the inverter/power.
If they light up for a second or two, before turning back off and blinking again, then it could be one of the lamps is not working correctly. If you looked very closely, you probably would have noticed that there was a darker region on the screen. It would have been a horizontal bar or darker area. This is the failed back light. It could be either the lamp inside the panel (not worth repair, too expensive),the inverter board has a section in-op, or the inverter/power board has pulled loose from the panel (simply push back into place).
Once the repair has been done, then a technician can clear the lamp errors so the set will turn on in the normal way.
TV Dan
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