20 Most Recent Sharp LC20SH7U Television Questions & Answers

Refer its user manual for details.

Hello boomyrhodes,
can you provide further information please. Like how do you have connected (the type of cables) and whether you have a cable box or not. But to provide a quick solution is that it is possible that you have plugged in through a different input. Using your remote, look for input or source. Click on it and you will see different sources. Select each one until you see cable. I hope this helps, give me your feedback if it doesn't. Good luck.
- Joe

you have to add all channels or save so that every time you turn on tv no need to go setup.

Capacitors on the power pack are going bad they need to be replaced that should fix the problem.

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

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

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.

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.

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 .

Look for it at its bottom side [stand]

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