Question about Proscan 40LC45S 40 in. LCD TV

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My tv will turn on but no sound, no picture, no display,no menu will light up

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  • 26 Answers

Have you tried,
1 Changing the source.
2 Changing the batteries in the remote
3Getting a replacement remote or pushing the buttons on the tv itself
4 Asking a pro

Posted on Nov 06, 2014

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Posted on Jan 02, 2017

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Vizio tv problems


Have you checked the TV without other devices connected to the TV.
Eg. disconnect any home theatre or speakers from the TV.

Verify with audio menu if the settngs of TV speakers is on or off ?
To adjust the audio settings:
1. Press the menu button on the remote. The on-screen menu
is displayed.
2. Use the arrow buttons on the remote to highlight audio and press ok. The AUDIO menu is displayed.
3. Use the arrow buttons to highlight the setting you wish to adjust, then press left/right arrow buttons to change the setting:
• TV speakers - Turns the built-in speakers on or off.

Lastly have you tried restoring the TV to factory default settings.
To restore the TV to its factory default settings:
1. Press the menu button on the remote. The on-screen menu is
displayed.
2. Use the arrow buttons on the remote to highlight system
and press ok. The SYSTEM menu is displayed.
3. Highlight reset & admin and press ok. The RESET & ADMIN
menu is displayed.
4. Highlight reset TV to factory defaults and press ok.
5. If you have changed the default parental control passcode,
enter it now.
The TV displays, "Select Reset to restore all TV settings to
factory defaults and clear all account information."
6. Highlight reset and press ok.
7. Wait for the TV to turn off. The TV will turn back on shortly
afterward and the Setup App will begin

Apr 29, 2014 | Televison & Video

1 Answer

Sharp LC-32SB220U


If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

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1 Answer

Turn tv on. green light solid display, no picture or sound


The flashing green light is likely indicative of a self-test failure, indicating the TV has detected some sort of internal fault. With no picture or sound, one strong suspect is the power supply. Flat-panel TV's have an internal DC power supply that converts the inbound AC current, and when these fail, or are unable to supply a minimum level of power to the set, it can behave as you describe, providing only enough power for the green light to illuminate.

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If model of your TV is LC19SB25U, TV powers up, TV has back light,but on picture or menu, The problem is the part called main unit.

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2 Answers

JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound


You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.

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1 Answer

W2606c lcd tv


Nothing appears on my LCD TV display

1 Ensure the LCD TV display is turned on.
2 Verify that all the cables are properly connected to the LCD TV
display, including the power cable.
3 Check to see if there is a blue or amber light on the lower,
right-hand corner of the LCD TV display. A blue light indicates
the LCD TV display is on. An amber light means the LCD TV
display is in power save mode.
4 Ensure the proper source is selected in the Input Select menu.
See "Input Select Menu" on page 24 for more information.
5 Reconnect any devices that are currently connected to the LCD
TV display. If you are using multiple devices, connect and test
one device at a time.
6 Connect another device that you know is working properly.
7 Reset the original factory defaults. Press Menu on the remote
control, select Setup, and then select Factory Reset.

Problem Possible Solution No sound

1 Ensure mute is not turned on. Pressing the Mute button on
the remote control turns the mute function on and off.
2 If only certain LCD TV channels do not have sound, then you
need to correct the Input Select menu in the TV Menu (see
"Input Select Menu" on page 24).
3 Verify that the audio cables are firmly connected to both the
audio input connectors on your LCD TV display and audio
output connectors on your devices. Ensure that the cable colors
match the connectors colors.
4 Also, ensure that the audio cables are connected to the same
row as the video cables. See "About Your LCD TV Display" on
page 5 for the location of the connectors.
5 Reconnect the device using the same type of connector. For
example, if you are using the composite connector on the
bottom, try connecting the device to the composite connector
on the side of the LCD TV display. See "About Your LCD TV
Display" on page 5 for the location of the connectors.
After you connect the device, change the input source in the TV
Menu. See "Input Select Menu" on page 24 for more
information.
6 Connect the device using a different connector. For example,
if you are experiencing the problem using a composite
connector, try using the component connector.
NOTE: To connect to a different connector, you need the
appropriate cables for that connector. See your device
documentation for a list of supported connections.
After you connect the device, change the input source in the TV
Menu. See "Input Select Menu" on page 24 for more
information.
7 Test the device on a different TV.

Jan 05, 2009 | Dell Televison & Video

1 Answer

Blank screen, cannot get menu to display, but sound works


Does the lcd screen have a glow to it ? Or is it really dim if u get real close to screen u can see images moving ?
it it has a glow to it you panel lighting is fine but you control board is bad. If you have a dark screen and see faint images you panel back lighting is out u can check the power with a meter at the connection to inverter board on panel.

May 03, 2008 | Televison & Video

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