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Re: Tv too bright
This problem might be caused by a problem called blooming. is the picture fuzzy and does the picture look to be streched out. Since you do not have contrast and brightness control this would almost completly point to the HV section of the TV either the control and screen grids of the CRT are going bad or the HV power supply is about to go bad, I would suggest that if you have a background in electronics that you check the HV at the anode of the picture tube and make sure the voltage is from 20Kv to 40Kv using a high voltage probe. You will need a schematic to aid you in your troubleshooting
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1.Turn on the LED TV and let it warm up for 30 to 40 minutes before making any changes or adjustments. 2. Put on the lights that you would normally use when watching the TV. You want to create the same ambiance that would constitute normal watching conditions for you. Make sure there is no glare or reflection from other items in the room such as a mirror. 3.Open the menu on the screen of the LED TV with your remote control and find the options for adjusting the color, contrast and brightness. Menu options will vary by TV, but look for options that will say "Contrast," "Color" and "Brightness." 4.Start with the "Brightness" control. It would be best to have a DVD playing so that you can get a better idea of the control settings. Pause the picture at a place that you can see a variety of scenery, such as sky, mountains and people in the forefront. Adjust the "Brightness" by pressing the up and down arrows until you are happy with the picture. Press "Save" or "OK" to set the brightness at this level. 5.Repeat this with the "Contrast" and "Color" controls, remembering to save your settings. Look for the "Mode" setting. Press the arrow to get to "Normal" or "Movie/Cinema." Press that setting and save it.6.Turn off any settings that are titled "Flesh Tone Correction" or "Vivid Sports." These will make the colors unnatural, use up energy and damage the TV over time.
Do you have access to a test pattern or color bar ? .If you have a THX certified DVD ( some Walt Disney movies ) it will have calibration setup guide in the DVD menu.Or else you have to buy a calibration DVD if you are serious about your TV setup. First you have to set the contrast and brightness using the Grey-scale pattern. Seven set of vertical bars slowly progressing from white to black. If set right you should be able to make out all the seven bars with out each merging ( or overlapping ) into the other. You will be able to see the line of demarcation between each vertical bars. Then set the color to taste. If you do not want to purchase the above mentioned DVD disc a close setup figure for your Panasonic TV would be Picture Mode = Standard ( Normal ) Picture ( Contrast ) ---- 50 Brightness ---------------- 50 Color ------------------------ 33 Sharpness ---------------- 50 Hue ------------------------- In the middle This setting should give you a decent picture quality assuming your TV is new.
Some newer TV's are equipped with a ROOM SENSOR which will change the Contrast and Brightness according to the amount of light going into the Sensor.
While watching DVD's or Movies the output of light from the TV screen changes sometimes affecting the Sensor.
While Computers are pretty consistent with light output.
Go into your TV Menu and look for ROOM SENSOR or something similar and turn it off.
If not then check in the TV Menu Video controls and see if there are any Contrast or Brightness functions set to AUTO.
If so grab a DVD with THX and they have a TV Calibration that is very easy to set-up your TV too.
You can set these controls to your liking, though a lower brightness setting might increase the life of the screen. First, set the brightness and contrast to a level that is pleasing to the eyes, then adjust the color to look realistic - enough color without being disturbing. If faces area look greenish or purplish, then also adjust the tint (sometimes called Hue) until you get accurate flesh tone. Flesh tone is the best thing to adjust for; when you get good flesh tone, the rest of the picture will look great. ALWAYS make adjustments during a live news broadcast, which tends to have the most accurate balance of brightness, contrast, color level and hue. Note that commercials are all recorded in different studios with different settings, and will usually not look right - it's best to just live with this than to constantly readjust the TV. There are also DVD's available which walk you through proper TV adjustment.
you can bring more brightness by removing cover on your tv and then you will see ther 2 button ther in back of your tv one is FoCUs and other is G2 rotate the G2 button till you see more brightness on your screen put the cover back and that is if you dont know to do that go to one authorised service
*The brightness control setting determines how bright your picture will be.
*The contrast control sets the gain of the video circuit. This determines the difference between dark and light scenes. Low contrast settings make the picture "hazy". High contrast settings make the picture more distinction between dark and light scenes.
*The sharpness control determine the frequency
response of the video circiut. High sharpness settings give better resolution but also shows
more noise in your picture. Lower sharpness settings smoothe out the picture removing noise but also fine detail. It needs to be set for the best all around picture.
*Picture Enhancement is pre-set adjustments which give you
different picture qualities. You just select the one you like.