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Re: half of screen rolls
This sounds like a leaky electrolytic capacitor in the unit's video circuitry. You will have to take the unit to a qualified technician for repair, because there are no user serviceable parts inside, & the capacitor in question is about the size of a BB.
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Try disconnecting everything from the tv *except* the DVD player (that includes cable tv). You are using a component or digital connection, right? Some of these HDTVs are **** at displaying a composite feed. If this clears up the problem then the lines were probably caused by a fault in your cable tv, and you need to take it up with them.
ANYWAY, if the rolling lines remain even with everything else unplugged, it could also be electrical interference from something near by, like power cords or something.
After checking today to see no one offered any suggestions - I solved the problem the hard way - I went into settings and although the screen rolled, I was finally able to click onto the ntsc setting after about a half hour of tries and once I clicked it, my screen returned to normal -- i was then able to enter the code that made the player an all region player and was happily able to play a pal dvd I received recently. The procedure was simple -- offered by a European Cyberhome user -- the company is in bankruptcy so you cannot gt help from them. Note - my Cyberhome dvr is 1500- not 1600 as you listed it.
is this a horizontal black line going up or down? if yes, this sympton is caused by a trouble in the integrated circuit or in the vertical oscillator circuit.
this symptons has 2 variations. one is the intermittent rolling of the picture. this referred to as the "loose vertical hold" the other variations is the continuous upward or downward rolling of the picture