See lines in HD cable or DVD source images, also maybe a problem w/ color, see extra blue haze
Service Model: HCL4715WX / XAA
Ok, I don't know what I'm talking about here.
TV was fine earlier today, then suddenly the cable image looked funny, could see lines in the screen was the first thing I noticed. I figured my daughter accidentally hit the 'zoom' image or something, and didn't have time to look at it.
Now, coming back home, and looking at it again, not only is there lines in the screen, but the picture is a bit hazy w/ extra blue being seen as a shadow to the main images.
Checked the cables, ran a DVD and had similar problems, so it's not the cable box, or the cables.
I've seen this kind of problem before, at least w/ the color, only to realize in sliding the tv around one of the 3 component color cords was coming loose, pugged it back in and it fixed problem in the past... but that's not the case now...
I recently re-wired everything adding a receiver, but was still sending the video images via component cables in each case from the DVD and the HD Cable box directly into the TV, so I can play music on the receiver while still watching TV, so it's not a problem w/ the receiver.
I tried the perfect focus, but that didn't do anything. I looked at the convergence thing, but don't really know what to do with it.
The TV is almost 5 yrs old, maybe I have a bad bulb or something? Any troubleshooting tips to try to narrow it down, and hopefully fix it cheap myself????
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Re: see lines in HD cable or DVD source images, also...
It sounds like convergence problem to me. There are two ways to correct these concerns; Samsung does sell boards, so if you are handy you can replace the boards yourself. BUT I recommend calling a factory authorized service company. It isn't costly, the cost will run around $400 -$550.
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The problem of your tv is the convergence. Projection tv set has a 3 colors red,blue and green this 3 colors must be properly lined up to look the video normal. When this 3 colors is not properly aligned the video will produce a double image of color or like a 3d or wavy. In order to fix this problem you should adjust it in the menu program of your tv you should move any of the colors to up or down, left or right if you cannot align the 3 colors the problem is the convergence ic it must be replace. To locate the convergence ic you should remove the back cover of your tv but be sure to unplug your tv, you will see this ic attached in a large aluminum plate it has a marking of stk--- and followed by a numbers. or you could contact a service technician do do it for you and save you from stress. Good day and best regards.
when connecting a dvd player you want to try using the yellow red and white cables.. ( AV CABLES) to the television.. just match the same color on the back of the television. Once that is done change the source on your remote until it displays composite then the image should be on.
if you will like a better image quality use the component cables (green, red and blue cables) but the dvd player has to have does colors as well or else it wont work.
Picture quality problems (such as lines, fuzzy image, or wrong colors)
Check the cables and connections:
Make sure that cable connections are securely fastened to the connectors and try reaseating the connectors. If connecting a device using component cables, make sure all three color-coded cables are connected correctly into the corresponding connectors.
Check the condition and length of the cables. Cables that are longer than 3 meters (10 feet), become more susceptible to promoting signal degredation (small dots "sparkling" on the screen and image ghosting). Cables that have been bent or pinched may also cause picture quality problems. Replace the cable or try a different cable type.
Check the display issue with a different channel. Picture quality problems on a single channel or on all channels may be caused by the TV station signal (antenna) or the cable signal source.
Make sure that the image quality issue is not coming from your source signal.
For example: if the image quality issues occur while viewing TV , switch the source to a DVD player to see if the image quality problems go away.
If selecting a different input source (using the remote control) causes the problem to go away, troubleshoot the source device causing the problem - adjust aerial antennas, call the cable company for assistance, and .
If a picture quality problem occurs on all sources, the TV or its settings may be the cause of the problem.
Higher resolution TVs will make it much easier to view signal problems coming from source signals - especially TV signals. For example, if your TV cable company experiences heavy load on their system, you may be able to detect small miscolored squares that briefly scatter across the screen (macro-blocking). On a smaller standard TV, this type of quality problem is much less noticeable on a standard TV, but can become very annoying when viewed with greater detail.
Try to Reset the TV ( LCD) quality options. Please look in to User Guide to make the TV to factory Defaults..
Unplug the TV from its power source. With the power cord unplugged, press and hold the power button for five seconds. Turn on the TV . If the image quality problems still exists across all types of signal sources, the TV should be serviced.
I hope that this should resolve the issue. However, if the issue still persists then please contact LCD manufacturer for further more on the issue.
The loss of blue could be one of 3 things. First of all if you are connected to a HD cable box or a HD sat. recvr. using component cables. Make sure the BLUE connection hasn't fallen out or is loose. The possibilities is the blue CRT (picture tube) itself or something in the blue CRT driving circuit.