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My sharp lc-46D64U ONLY TURNE BY PRESS THE VOL- AND IMP, AT THE SOME TIME THAN GOES OFF IN 2 OR 3 SEGUND

MY SHARP LC-42D64U ONLY TURNE ON BY PRESS THE VOL- AND THE INPUT AT THE SOME TIME, THAN GOES OFF IN 2 OR 3 SEGUND, THE LETTER K APPEAR ON LEFT SIDE OF SCREN, THE PICTURE GOES OFF BEFOR THE SOUND PLEASE HELP ME THANKYOU

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Sharp LCD LC-46D64U

Try resetting the TV. Here's how to do it - Unplug the TV's power cable. Keep the Channel Down and Volume Up buttons on the TV pressed and plug the power cable back into the outlet. You will hear a click when you plug it back in if the reset is successful. Hopefully this should restore your video and audio.

Posted on Feb 06, 2008

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Russmann
  • 203 Answers

SOURCE: Sharp Aquos LC-20B6U-S TV NOW

This can be caused by many different things. Check power supply fuses. If ok suspect inverter board which drives screen. Check for bulging capacitors and open transformers or just find replacement cost using numbers on board. That may fixya.

Posted on May 29, 2008

Russmann
  • 203 Answers

SOURCE: Sharp model LC-20B6U-S now has

By this description it sounds like you have backlight to the picture which means the power supply in the set is working and the inverter board which powers the screen is working. Your problem may be on the main board if this is the case. I have repaired this set for the same symptom with two different problems. First it could be on the inverter board, and second it could be on the main pcb. Once on this model a piece of metal heatsink slid down due to operating temp. of set and touched bottom of main pcb causing a failure of the sound and picture. Either way, if you have no on-screen-display you will be replacing a circuit board. If you whine loud enough to the mfg. co. they may help you. But good luck.

Posted on Jun 02, 2008

SOURCE: I recently purchased a Sharp

I think the USB port is just for software updates.

Posted on Jul 29, 2008

Benimur
  • 6966 Answers

SOURCE: we have a dish sat.

Hi,

Depending on how the satellite receiver is wired to the Sharp TV. I suppose your best try would be to select the input source on the Sharp, something like AV1 or Video (1) not channels. Channel selection would be done on the remote of the satellite receiver.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Aug 15, 2008

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