Tip & How-To about Sony BRAVIA KDL-40S2010 40 in. LCD Television

Why LCD TV have No Picture only sound

Flat-panel LCD TVs have a lifespan newly approaching 100,000 hours on average. The lifespan of an LCD TV is generally longer than that of similar-sized plasma televisions. Some manufacturers even claim that their LCDs can last upwards of 100,000 hours when used continuously under controlled conditions (e.g., in a room with "standard" lighting conditions and 77° temperatures throughout). Just how realistic such claims are is debatable. After all, whose living room has no windows and remains at a perfectly comfortable 77 degrees year-round?
In any case, the pictures on fluorescent backlit LCD TVs will show some "wear" because they are generated by powerful lamps, which, like any lighting appliance, will dim over time and with use. The picture you see will dim ever so slightly as the backlighting bulbs dim. One other consideration is that CFL fluorescent backlighting will change colors over time. This will change the white balance on your TV and cause color calibrations to be thrown off.
Therefore, the most important thing to consider when it comes to the lifespan of your LCD TV is the actual lifespan of the light source in your LCD. LCD TVs last as long as their lightsources do. So, the lightsource in your LCD TV is the critical component of your LCD display unit. Newly introduced LED backlit LCD TVs will have the best long term performance. LED backlighting is superior in that the white balance of the TV will not be affected by changing bulb color over time. It's a more consistent bulb technology and will also maintain its brightness longer.
The edge lit version of LED TVs will use far less energy while local dimming LED backlighting will be more accurate and present a better picture while using more power. We believe that local dimming LED backlighting will be slightly less stable from a life span standpoint.
To ensure the integrity of your lightsource for the duration of your LCD display's lifespan, you will definitely want to adjust the CONTRAST setting of your LCD TV. Too high of a CONTRAST level will prematurely age your lightsource because it will have to work harder to maintain such light intensities. Your best bet is to keep your CONTRAST set appropriately for the conditions under which your view your LCD display. Brighter ambient light levels require slightly higher CONTRAST levels, while lower ambient light levels demand less CONTRAST
If there is sound but no picture, only sound it has more chances of faulty back light repairable from Service Support.
Hope this helps, if so do rate the solution.

Posted by on

Sony BRAVIA KDL-40S2010 40 in. LCD Television Logo

Related Topics:

Related Questions:

1 Answer

how often should spark plug wires be changed 2003 kia optima?


Spark plug wires are usually recommended to be changed between 60,000 and 100,000 miles. However, good quality wires will often last a lot longer and lifespan may be stretched. You should definitely replace them if you're experiencing ignition issues and they have approached their replacement interval.

Jun 26, 2014 | 2003 Kia Sedona

2 Answers

the TV fell and the flat screen is damaged. TV is not under a waranty anymorre, and i would like to check the price for replacing the screen - model is 26PF5320. thaks!


Sorry,the tv LCD screen panel it is very important and the most exspensive part of the tv and very limited in productions as parts by the tvs industries.U will not able find it for a LCD screen panel for a replacement anywhere except the tv corporations themselves.As the tvs LCD screens panels are in limited in productions and very important to the tvs,they'll sell it to,but they'll charges for a new LCD screen panel to u the same as a new tv.Sorry ur tv dosen't worth as a whole tv anymore.Tv now only can be used as a salvavges tv for it as refurbish used electronics circuit boards for other tvs as parts only now.

Aug 11, 2011 | Philips 26PF5320 26 in. LCD Television

2 Answers

no picture on screen only sound


Flat-panel LCD TVs have a lifespan newly approaching 100,000 hours on average. The lifespan of an LCD TV is generally longer than that of similar-sized plasma televisions. Some manufacturers even claim that their LCDs can last upwards of 100,000 hours when used continuously under controlled conditions (e.g., in a room with "standard" lighting conditions and 77° temperatures throughout). Just how realistic such claims are is debatable. After all, whose living room has no windows and remains at a perfectly comfortable 77 degrees year-round?
In any case, the pictures on fluorescent backlit LCD TVs will show some "wear" because they are generated by powerful lamps, which, like any lighting appliance, will dim over time and with use. The picture you see will dim ever so slightly as the backlighting bulbs dim. One other consideration is that CFL fluorescent backlighting will change colors over time. This will change the white balance on your TV and cause color calibrations to be thrown off.
Therefore, the most important thing to consider when it comes to the lifespan of your LCD TV is the actual lifespan of the light source in your LCD. LCD TVs last as long as their lightsources do. So, the lightsource in your LCD TV is the critical component of your LCD display unit. Newly introduced LED backlit LCD TVs will have the best long term performance. LED backlighting is superior in that the white balance of the TV will not be affected by changing bulb color over time. It's a more consistent bulb technology and will also maintain its brightness longer.
The edge lit version of LED TVs will use far less energy while local dimming LED backlighting will be more accurate and present a better picture while using more power. We believe that local dimming LED backlighting will be slightly less stable from a life span standpoint.
To ensure the integrity of your lightsource for the duration of your LCD display's lifespan, you will definitely want to adjust the CONTRAST setting of your LCD TV. Too high of a CONTRAST level will prematurely age your lightsource because it will have to work harder to maintain such light intensities. Your best bet is to keep your CONTRAST set appropriately for the conditions under which your view your LCD display. Brighter ambient light levels require slightly higher CONTRAST levels, while lower ambient light levels demand less CONTRAST
If there is sound but no picture, only sound it has more chances of faulty back light repairable from Service Support.
Hope this helps, if so do rate the solution.

Jan 28, 2011 | Samsung Televison & Video

2 Answers

Why does my TV have sound but no picture?


Hello
Flat-panel LCD TVs have a lifespan newly approaching 100,000 hours on average. The lifespan of an LCD TV is generally longer than that of similar-sized plasma televisions. Some manufacturers even claim that their LCDs can last upwards of 100,000 hours when used continuously under controlled conditions (e.g., in a room with "standard" lighting conditions and 77° temperatures throughout). Just how realistic such claims are is debatable. After all, whose living room has no windows and remains at a perfectly comfortable 77 degrees year-round?
In any case, the pictures on fluorescent backlit LCD TVs will show some "wear" because they are generated by powerful lamps, which, like any lighting appliance, will dim over time and with use. The picture you see will dim ever so slightly as the backlighting bulbs dim. One other consideration is that CFL fluorescent backlighting will change colors over time. This will change the white balance on your TV and cause color calibrations to be thrown off.
Therefore, the most important thing to consider when it comes to the lifespan of your LCD TV is the actual lifespan of the light source in your LCD. LCD TVs last as long as their lightsources do. So, the lightsource in your LCD TV is the critical component of your LCD display unit. Newly introduced LED backlit LCD TVs will have the best long term performance. LED backlighting is superior in that the white balance of the TV will not be affected by changing bulb color over time. It's a more consistent bulb technology and will also maintain its brightness longer.
The edge lit version of LED TVs will use far less energy while local dimming LED backlighting will be more accurate and present a better picture while using more power. We believe that local dimming LED backlighting will be slightly less stable from a life span standpoint.
To ensure the integrity of your lightsource for the duration of your LCD display's lifespan, you will definitely want to adjust the CONTRAST setting of your LCD TV. Too high of a CONTRAST level will prematurely age your lightsource because it will have to work harder to maintain such light intensities. Your best bet is to keep your CONTRAST set appropriately for the conditions under which your view your LCD display. Brighter ambient light levels require slightly higher CONTRAST levels, while lower ambient light levels demand less CONTRAST.
Hope this helps

Jan 08, 2011 | RCA Televison & Video

2 Answers

where can i find a replacement for my broken screen


The tvs screen panels are 90% important to the tvs.Sorry,LCD tvs screen panels or any other tvs screen panels for that matters are limited production by the tvs industries.No, where u will able to find and buy or replaced the tv LCD screen panel,but must buy the LCD screen panels from the tv industries themselves.They'll sell it to u,but they'll charge like the new LCD screen panel same as a new tv.Sorry ur tv now dosen't worth as a whole tv anymore,now it only worth as a salvage tv for it electronic boards for parts,that it.

Oct 27, 2010 | Toshiba 32AV500U 32 in. LCD HDTV

Not finding what you are looking for?

3,956 people viewed this tip

Ask a Question

Usually answered in minutes!

Top Sony Televison & Video Experts

kakima

Level 3 Expert

102366 Answers

The Knight
The Knight

Level 3 Expert

73691 Answers

Jerry Greenberg
Jerry Greenberg

Level 3 Expert

1667 Answers

Are you a Sony Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Loading...