Try unplugging,and try with other stuff disconnected to see if they are causing this,if nothing is connected and resetting,unplugging does nothing,then a trip to the repair shop.
SOURCE: I have a LT-46244 and there are two vertical black
No format burn-in if thats what you mean, tv needs to serviced. good luck Julio [email protected]
SOURCE: our tv has a split screen - it is a lt 32jm30. we
Try looking for 'PIP' button on the remote.
SOURCE: 2 year old Mitsubishi LT-46149 46" LCD Flat Panel
Does it come and go? I would try reseting the ribbon cables between the LCD panel and the T-CON board first.
The Flexible Printed Circuit BoardS (FPCB) are ultrasonic welded to the LCD TFT panel, they are not SOLDERED on! The connections do get bad due to very delicate nature of how the LCD panels are made. You can also try squeezing the around the top area of the screen where the lines are to see if the lines go away.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
SOURCE: my mitsubishi lt 40134 is showing red horizontal lines...How can I repair?
Your panel is bad. Not cost effective to replace.
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