20 Most Recent Sharp LC-20SH4U 20 in. EDTV-Ready LCD Television Questions & Answers


Yes you need a digital converter box. Your model has an NTSC Analog Tuner. It doesn't have a Digital Tuner. This is why you need the converter box.


For example, many companies like Comcast or Time Warner or TCI etc used to broadcast Analog Signals through their wires. Now they have broadcasted only Digital Signals. This makes either your TV Obsolete as a Tuner or you have to get a digital converter so your Analog TV can receive the signal.

Depending on your service, it may be worth your while to get a TV with a digital Tuner.

Then again, it also depends on if you are connecting a box receiver to your TV. For example, if you have Directv or Dish, you would then use your standard Video/Audio or Composite Cables to transmit your signal OR your Out to TV Coaxial whichever works for your receiver. Some receivers have already built in converters . You should really consider all the factors to decide and determine it based on the type of service you have or want.

Sharp LC-20SH4U... | Answered on Mar 09, 2011


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


Not on every model.

Sharp LC... | Answered on Sep 12, 2016


Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Sharp LC... | Answered on Sep 06, 2016

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