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Sharp LC-50LB370U Support Question

Sharp LC-50LB370U Support Question

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Question posted by Madkev20 on April 4th, 2019

No Picture Or Sound

tv powers on but no picture or sound

Current Answers

Answer #1: Posted by Odin on April 4th, 2019 9:02 AM
This answer was accepted by the poster of the original question.
Odin

Member since:
April 10th, 2010

Points: 41,236,660
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Step 1
Cycle through the TV's video inputs to verify that your TV is set to the right one. For instance, if you are attempting to use a digital cable converter box that is plugged into the Video 1 input and the TV is set to a Video 2 input that has nothing plugged into it, the TV will not display any picture or sound and may even say "No signal" on the screen. To cycle through the inputs, use the input selection button, typically labeled "input," "source," "TV/video" or the like.

Step 2
Reseat the video and audio input connections to verify that a loose cable is not causing the TV's loss of signal. If you have a coaxial cable connected from your wall cable jack directly into the TV, it may have come loose thereby eliminating all picture and sound on the TV. Locate the connection cable or cables of whatever device you are attempting to watch and unplug/replug them from where they plug into the TV.

Step 3
If the above does not solve, look in your manual for instructions for a hard reset.

* * * *

If the problem persists (or if you require further explanation), you'll have to obtain a walk-through from Sharp: use the contact information here--https://www.contacthelp.com/sharp/customer-service.


Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.

Related Sharp LC-50LB370U Manual Pages

User Guide - Page 5

... construction. Special care should be made in injury. A minimum of a flat-panel television. Televisions that is required for its size and weight. • NEVER place your furniture. MOVING AN OLDER TELEVISION TO A NEW PLACE IN YOUR HOME • Many new television buyers move their older CRT televisions into a secondary room after the purchase of two people is...
User Guide - Page 6

... are required, make absolutely sure that you attach a wall-mount bracket or TV stand to keep from touching such power lines or circuits as contact with the manufacturer's instructions. 8 Do not install... Unauthorized substitutions may cause skin inflammation. • If the liquid gets in the panel. LC-32LB370U/LC-50LB370U 15 The wall plug is made of glass. If you do not remove any ...
User Guide - Page 7

...information with your TV picture and sound, operating problems, or even damage, keep your cordless and cellular telephones away from the TV. Condensation Moisture...TV is brought from cool surroundings into your TV. • If your TV has been exposed to your home, consult an electrician or your local power company. LC-32LB370U/LC-50LB370U Power source Operate your TV only from the type of power...
User Guide - Page 8

... to the television picture settings to use CEC Control.) DTS Sound™ DTS Sound delivers clear, crisp, and natural sound while providing ...TV picture" on page 44 for instruction on how to select Game mode.) Note The backs of having HDMI CEC compatible products plug and play! LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Sharp 32"/50" LED TV Introduction Congratulations on your television...
User Guide - Page 14

Connect an HDMI device to this jack to view compatible JPEG picture files. Connect a USB flash drive to this jack. Side LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV # Item 1 HDMI 3 2 HDMI 2 3 HDMI 1/ARC 4 USB Description Connect an HDMI device to this jack. For more information, see "Connecting a USB flash drive" on page 26 ...
User Guide - Page 15

... this jack. Back 11 LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV # Item 1 /AUDIO OUT 2 DIGITAL AUDIO OUTPUT (optical) 3 ANT / CABLE Y / VIDEO, PB, PR 4 OR Y / VIDEO 5 L and R (audio) Description Connect headphones, an analog audio amplifier, a home theater system, or a sound bar to this jack. Connect the video for an AV device to these jacks...
User Guide - Page 16

...page 38. Change TV channels. Change the picture mode to ... See "Viewing channel information" on page 60. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV # Button 6 FAVORITE 7 VOL+/- 8 SOUND MODE 9 CC 10... favorite channel list" on page 50 and "Viewing a favorite channel" on or off , power still flows through it. Increase or decrease the volume. See "Turning closed captioning on weak ...
User Guide - Page 22

LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Connecting an antenna or cable TV (no box) On your TV Antenna or cable TV (no box) Coaxial cable connector Coaxial cable ANT / CABLE jack Back of TV 1 Make sure that your TV's power cord is unplugged and all connected equipment is turned off. 2 Connect a coaxial cable (not provided) to the ANT...
User Guide - Page 31

...; You can damage your headphones that opens, press W or X to the /AUDIO OUT jack. Connecting headphones LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Warning Loud noise can also connect an amplifier, home theater system, or sound bar to highlight Headphones/Audio Out, then press ENTER. For more information, see "Selecting the audio out...
User Guide - Page 32

... on the external speaker system or sound bar. 3 Plug your TV's power cord into a power outlet, then turn on your TV, highlight the Digital Audio Format/Audio Delay option on page 46. 28 LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Connecting external speakers or a sound bar You can connect external speakers or a sound bar to the digital audio jack...
User Guide - Page 33

... disconnect the external speaker system or sound bar. 29 LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Analog audio When you need to the /AUDIO OUT jack. Notes • For information about selecting the audio out mode for an external speaker system or sound bar, see the documentation that your TV's power cord is unplugged and the...
User Guide - Page 34

on your devices for the best picture and sound. Just remember to use ?" For information about connection types, see "What connection should I use the best connection types available for connection information. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Connecting a home theater system with your devices. Refer to the documentation that came with multiple devices AV...
User Guide - Page 40

... device is connected and turned on or displays AV when an AV device is connected to a power outlet. Sound menu (TV mode) 36 See "Connecting power" on page 31. 2 Press POWER to turn on . LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV On-screen menu overview Notes • Depending on the signal source selected, you may see different...
User Guide - Page 42

... connected to the HDMI jacks on your TV. to increase or decrease the volume. • Press MUTE to turn the sound back on or off the sound. Adjusting the volume • Press VOL...favorite channel list, press S or T to highlight a channel, then press ENTER. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Using CEC Control CEC Control lets you must be turned on the connected HDMI device...
User Guide - Page 50

... select On (when you turn on . 1 Press MENU. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Adjusting the sound Adjusting sound settings You can reset all sound settings to the factory default. 1 Press MENU, 2 Press W or X to highlight Help, then press ENTER. 3 Press S or T to highlight Power on in Dynamic picture mode) or Off (when you manually adjust...
User Guide - Page 69

... "Connecting a cable or satellite box" on page 14 or "Connecting an antenna or cable TV (no box)" on page 36. • Try another channel. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Problem Solution Dark, poor, or no sound. • Press on the TV or the remote control. • Make sure that the antenna or cable...
User Guide - Page 70

... and securely. Sound is good. • The problem may be caused by a poor or weak signal from the TV to your TV. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Problem Solution Dotted lines or stripes appear on page 52. • If you are using an antenna, the digital channel signal may be bad. Picture quality is...
User Guide - Page 71

... causing interference. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Remote control Problem Remote control does not work. See "Installing remote control batteries" on page 9. • The supplied batteries are installed correctly. Try turning off the screen can cause a permanent after-image to determine which device is turned on, the picture may be burned...
User Guide - Page 75

... 1 (back) LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV Outputs (both models) Video Analog audio/Headphone Digital audio WiFi Ethernet Audio (both models) No 1 (back) 1 (optical) (back) No No DTS Tuning Package Speakers Power LC-32LB370U DTS Sound Number: 2 Watts per channel: 5W LC-50LB370U DTS Sound Number: 2 Watts per channel: 8W Power consumption Power input Miscellaneous LC-32LB370U On...
User Guide - Page 76

...If this equipment does cause harmful interference to radio or television reception, which the receiver is subject to the following ...Sound™ For DTS patents, see http://patents.dts.com. Appareil de réception télévision ordinaire, NORMES CANADIENNES BETS-7 / NTMR-7 IC Statement This device complies with FCC Rules and Regulations. LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV...

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