20 Most Recent Sharp LC-40LE550U 40" LED TV 1920x1080, 60 Hz, HDTV Questions & Answers


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.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Sharp... | Answered on Mar 01, 2016


Please follow as per attached file and checked.
26027025-uiyjskm2k1iftrkqu1fm2l2h-5-0.jpg

Sharp... | Answered on Jan 13, 2016


That's all you can do, the screen is bad and unless there is a donor screen, it is time to get a new one, you tried. Sorry ;{

Sharp... | Answered on Feb 11, 2015


Menu on remote and make sure you have it on wide screen or 16 to 9

Sharp LC... | Answered on Jan 17, 2019


Hello
If your Roku 3 player is not connecting to WiFi, it is possible that the WiFi signal from the router is out of range. In order to strengthen the signal, move the router and Roku 3 so that there are fewer objects and walls between them.
For any help or support just visit us: www Roku Com Link

Sharp LC... | Answered on May 26, 2018


When you say WD box, do you mean a Western Digital Hard Disk Drive? If so, get a Solid State Drive (SSD), and connect it via USB3.
The HDD or the USB connection is not fast enough to keep up with the required speed of the video.

If you mean something else, please add details.

Sharp LC... | Answered on Dec 05, 2017


Check the high voltage circuit on the board that has the 120 volts input. The high voltage should be close to 400 volts - nothing less than 390 volts. The capacitor is failing to hold the voltage and needs to be replaced.

Sharp LC... | Answered on Oct 29, 2017


un plug tv and try to force on by pressing vol_ and input button from tv then plug back in see if tv comes on .

Sharp LC... | Answered on Dec 16, 2016


Look for it at its bottom side [stand]

Sharp LC... | Answered on Sep 26, 2016


Hi,

Here you can get solution of your question/problem.
https://support.roku.com/hc/en-ca/articles/209403268-Roku-TV-Introduction

Sharp LC... | Answered on Sep 17, 2016

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