Question about Sharp Televison & Video
The backlight is LED strips. When the television comes on the power supply senses the current draw and shuts down if it is too high. When one led on the strip burns out the current draw increases. You need to replace the LED strips or troubleshoot down to each diode and find the bad one(s)
Posted on Aug 07, 2020
Your control board seem's defective or the inverter board (associated circuits) are bad. This is common in most TFT-LCD Tv's.......
Posted on Dec 01, 2008
SOURCE: tv comes on but no picture
try unplugging the tv (no electricity what so ever going into the tv) and just let it stand vertically for atleat 24-48hours then plug it in and try it out.
if that easy fix doen't work then you either have a blown fuse or and busted lamp. contact a professional and show them your warranty.
Posted on Mar 01, 2009
In most cases, you can reset the TV by leaving it unplugged for 30mins.
If this doesn't work, I believe the circuit board that supplies power to the screen maybe bad. They call this board a backlight inverter board. It would most likely cost more to repair than replace the TV .
Posted on May 27, 2009
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