Model Code: LN46A650A1FXZA There are no inputs connected, so only static shows, however, the static is split into three sections of different quality. While facing the screen the right side seems to be OK, but the middle is dark, and the left side is light as well as "lagging," essentially the picture is coming in slowly and has a trail behind it. The dark (middle) part is not like a shadow, the pixels seem darker,but are getting power.
SOURCE: Shadow Problems
Cf my issue above on LE32R87BD The repair guy came here two times and finally changed the LCD panel which is very expensive. So far, it is working again properly.
SOURCE: samsung tv turning off by itself
I had a similar problem where my 61" Samsung DLP was turning itself off very frequently I had resolved to try replacing the bulb. I called a local TV repair place to see if they had my buld in stock. The guy I spoke to actually told me how to fix my problem! There is a little blue switch behind the bulb access door. The inside of the door has a little piece that presses the switch down. The switch is supposed to work correctly weather the switch is in the up or down position but samsung forgot to take expansion from heat into account. If the switch is held in the upper position by the door and the plastic expands to a certain point, it triggers the set to shut off. This does not occur of the switch is held in the lower position. What you need to do is take the access door off and put it back on by sliding it into position from above. That will hold the switch in the down position, eliminating the problem. My set has not **** itself off ever since.
SOURCE: dark vertical lines on tv screen
If under warranty then of course use that.
This is a display problem. One solution someone knowledgeable in electronics can try.
This problem can be caused by a bad connection fitting of the flat cables on LCD controller board. Dis-connect the flat cables from the LCD controller(T-CON) and carefully reconnect them. Try the unit before reassembling the back cover. You may have to disconnect/reconnect several times to show improvements if this is the problem.
SOURCE: dark shadow on lcd tv
u need to replace the tv backlight. it can be done by urself but its kinda complicated its better to just tak eit in to a repair man. shouldnt be that costly.
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