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Samsung LN-R460D 46 in. LCD Television Questions & Answers
One side of the screen is darker than the other...
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board
Flashing screen on lcd tv
Not sure if this model is one but a number of Samsung's have this issue and a lot of them a jumper needs to be removed on the power supply board---most likely voltage inside the power supply is pulsing
What is the black cloud
a BLACK cloud if covers the entire screen and even looks like motion swirling but very dark screen could be a bad board OR may be the front display Panel.On PLASMA SETS IT IS A PLASMA DISPLAY PANEL(pdp) OR on LCD sets Ldp ----in either case it is a sealed unit with an inert gas inside--if the panel ruptures inside you will have exactly what you describe.Sometimes there is a defect in making this unit--sometimes if set is transported even a mild jolt will do this.Bottom line is if the display panel is bad--fatal from a cost view as the part alone will cost more than the set itself.
No picture !
There is a two possible solutions to your problem, first you need to try to replace the power supply and if that does not fix the problem, you will need to replace the LCD
I would recommend you to take the TV to a service shop so they can give you a precise solution.
Won't turn on!
You need a repair....
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Samsung
Check cables for the video input and output.
Purple bars across the screen?
Unfortunatly This is a manafuctaurer defect. your panel is bad and will need to be replaced by a technician. I know it isnt want you wanted to hear but the F modelf year for samsung is very bad for this. beinf the 61F, 65F, and the 71F. Hopefully you are in the return policy still for the TV
LN-R460D 46in, channels intermingled
are you using digital or terrestrial transmission? try fine tuning it...and hey, check the antenna direction, and also the wires...if the sockets are tight enuf and are correctly connected.
Motion problems
these sets a ment for true digital input..so an analog signal will not look as clear. also you might want to set the resolution to 720p from your source..
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