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According to SharpUSA the problem with the "Loss of Sync" error message is that (most probably) the cables (between the box and the display) are not connected properly (so remove and reconnect them carefully, on both units) or a cable is defective.
Also, after you reconnect the cables try turning on the unit, if no success then depress the "clear" button on the external box (under the door on the front and on the bottom left and try turning on the TV again).
It is, most likely, that the cables are not seated properly. Reseat the cables on both the display and the external box.
Hopefully, this will clear the problem
if still does not solves your problem just replace all the cables connected between .u can get the new cables at radioshack web site.just place an order they will provide you.
on Sep 19, 2018
Sharp aquos lcd screen goes blank
i was having these same problems with the screen going black, and i found that when i hit the back of my tv it would work sometimes. so, i improvised on some of the advice on this page and so far no problems. here is what i did (its very easy):
1. lay the tv on the floor and take off the back panel. (i think 12 screws)
2. on the right side of the tv (as you are looking at the back) you will notice a large metal covering that is held in place by 6 screws. unscrew these and remove the metal cover.
3. you will notice that the three screw holes on the left side of the board have some sort of metal or solder around them, in sort of a star pattern. when i looked closely i noticed that most of the metal (solder) was tarnished, or kind of blackened. (this must mean that the ground screws werent getting a good connection and this would explain why it would work sometimes when i hit it because it would vibrate the screws enough to get a good connection! )
so, take a pencil eraser and erase all the black or tarnish off the metal surrounding the screw holes. thats it! (to be safe i took some sandpaper and cleaned up the screw holes on the back of the metal covering, but i dont know if that was necessary)
at this point i followed another gentleman's advice to do a hard reset. this involved unplugging the 8 connections although i dont know if this was really necessary because i believe my problem was a ground issue. i did it just to be safe. his advice is on this site if you want to do this step.
4. i put everything back together and it worked! i performed a soft reset at this point which puts your tv back to factory settings. just go to menu>setup>reset>return to factory settings? yes
this will turn your tv off and back on. that's it. so far so good for me.
on Mar 02, 2018
Blinking power light.
i hve the same problem. I turned on my Sharp Aquos lc-32d62u HDTV last night for the first time, but it is black and a blinking green light.
did you find a solution?
on Sep 22, 2017
I have a sharp aquos
Your lack of channels is from a specific group and is usually caused by poor signal from your aerial. A new larger aerial may solve that.
Freesat is OK if you have a dish installed.
on Jun 03, 2017
Sharp LC 37HV4M Flashing red light on screen
your main board or powersupply is faulty
One problem involves the lamp cage being loose. The fix is easy. All you do is remove the lamp and put it back in, making sure everything is tight. I guess they had a problem at the factory, for a while, not tightening the lamp cage. After a certain number of heating cycles, the lamp quits making connection.
thank you for using fixya,rate my answer
on Dec 21, 2016
HAVING GOT TO aUTO iNSTALLATION. I AM ASKED FOR A
Try 0000 and 1234 as the PIN - the age old solution to problems such as this.
Failing that, google "Sharp Aquos LC-32G4U default pin" - that might get you a result, or at least point you closer to the solution.
If a PIN has been set up before, there will be a way of re-flashing a chip to default the PIN code. Again, google your model number for moe detailed help on your specific problem.
on Aug 22, 2016
My tv does not change channels nor does it turn off with or without the remote
Fault at its main digital board. Short circuited component/s at it
. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.
on May 20, 2016
TV won't show picture the
The main tv Tuner signal board have problems or it is dying or might be dead already.But sometimes this tv will still work and can be used,i have the same tv have the same problems it work for me all the times.By doing this process.Everytimes Power and OPC lights blinks.Just push the remote power switch again for tv to repower the tv power and OPC lights again,have go thought this process pushing power remote switch again have to do this like 3 or 4 times sometimes before the tv to work.Tries websites like Shopjimmy.com or Ebay.com to buy a whole new refurbish main tv Tuner signal board for the replacement.
on May 09, 2016
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