Question about Televison & Video
Can you help me. My Aquos LC52D65U tv on two days old just started turning itself off after 30 seconds. Cannot get it to stay on.
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Posted on Jan 02, 2017
Call Sharp for warrenty repair.This problem very common in Sharp tv.Picture will come on turn power on/off button few times will work.But still under Wareenty call to Sharp to replaced the main Tuner Signal board.
Posted on Jan 15, 2010
Testimonial: "Have tried turning on/off a few times but still doesn't work. thanks anyway"
SOURCE: Sharp Aquos 30" monitor only
The monitor will not work without the AVC box.
Do you still have the monitor? Is it in good condition? Would you be willing to sell it? If so, please email me at email@example.com
Posted on Jun 10, 2011
it might mean there is an intermittent connection or cold solder joint somewhere inside the set.
But I wouldn't just settle on that.
Here are some other things to check:
1) Replace the batteries on your remote control.
2) Try resetting the logic functions on your tv by unplugging it for a minute, then plugging it back in.
3) Try covering up the infra-red receptor on the front of your TV to see if you're getting unwanted signals from the receptor. taping a piece of foil over that area is perfect. If it doesn't stop after doing these two things you'll probably need to take it to a shop.
4) If this does stop it, then look for unexpected signal sources. Have you added a remote control extender? Added a new device to your audio-video system? Changed to a new remote?
Here is what I suggest:
ONE: Give it a hard reset. Possibly the software codes in the power management are corrupted. Just unplug the tv line cord for 4 hours. That will reset everything internally to factory defaults.
TWO: Give it the old whacking test. Just bang on the cabinet in many places with your hand or fist. That will restart any cold solder joints or loose connections.
THREE: If the above procedure does not help, then you will have to call in an expert tv tech; OR just live with it and put in a line cord switch so that when it is OFF, it is really OFF.
Posted on Jan 17, 2009
SOURCE: my sharp aquos lc52d65u dosent
It is possible that there is a failure of some components in the main board or a possible break of connectivity. You must be familiar to open the set and have some basic knowledge of the electronics inside. Use a good source of light to check for physical indications of burnt out, dry solder joints or connections.If after soldering there is no result then you will have to take a voltage check and see for any short in the main output drive, short in the capacitors. Take your time to make a good check for open circuits as the feedback is required for the smps to power on. Hope you get this right. Good day
Posted on Aug 02, 2010
This issue is related to a power problem in as much as the TV turns off on it's own.
The problem is consistent with overheating on the power supply board of the TV.
The power supply board of the TV has few capacitors and IC. If any of these IC's gets short or become weak, it can cause the TV to turn off on it's own.
When current passes from electric outlet to the power supply board of TV. The current also goes to the weak/faulty part, then the current stops or slow and the board overheats and TV shuts off on it's own.
This is a common problem faced by many other users too. To solve this issue, check the power supply board and read it with a meter and continuity tester, in order to detect the faulty part and replace the faulty part on the board which is short due to which power supply board
It's a bit technical job but yes its not at all a costly repair to do or get it done by the technician.
You can buy these part at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.
Posted on Aug 13, 2011
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