Question about Sharp Aquos Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
Most of these have internal line fuses inside of the casing. Once you remove the housing that covers the top and sides, follow the wires from the cord and they should lead you to the fuse. They are usually on the front rh side looking at it from the front. Be careful, even though unplugged, this unit still stores alot of electriacal energy in the capacitor.
Posted on Oct 27, 2008
SOURCE: No power on LC32D50U Sharp
This is glennac. I figured out what happened and thought I would update for others. The display had stopped working soon after mounting it to a wall mount. I discovered, when I began removing it to take it to the shop, that it started working again once I had loosened one of the mounts screws. Tightening it back in caused the display to lose power again. What I discovered was that there is a spot on the back against which the mount plate rests which, if pressed too hard, cuts the power. Backing the screw out relieved the pressure on this spot and now the TV works again. Facing the back of the display, the spot is at about the 11:00 o'clock position from the center, halfway between the center and the top.
Posted on Mar 15, 2009
If you have no indication of power you may have lost all of the voltages to your power supply, including the 5 VDC standby voltage. I am not sure if you can get a new G board, but you should be able to get the individual components that you need. I would look for the cause of the power supply failure first, and I think I would look at your Horzontal Output Transistor. I am thinking it is Q501, Q401 or something like that. I have repaired many of these and the HOT is most likely the problem. A shorted HOT would cause the power supply fusables to blow and the entire set would appear to be dead.
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Posted on Nov 28, 2009
If you have a meter and know how to use it Google for the service manual online and start checking. If not head for a tech or a shop to examine the TV.
Posted on Aug 30, 2012
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