Question about JVC AV-32F703 32" TV
My tv ,goes to a split screen when I use the green ,blue,and red cables,for HD .Ive been trying to use my x-box cables works but only in split screen almost seems like I need to use a v hold,If there was one anymore.
Hi and welcome to FixYa,
Almost always, when an electronic device/equipment fails when powered with and by a generator, it is the power supply unit (PSU). The PSU circuitry expects a fairly constant/stable power source (120 or 220). The output of the generator tends to fluctuate especially under varying electrical load. Additionally, the AC frequency (60Hz) of the generator's output also tend to vary which most PSUs don't like. A noteworthy point to consider is that the generator is floating electrically, its output has no reference to earth/ground.
If you are considering a DIY (do-it-yourself), foremost to inspect would be the PSU particularly the regulator transistor and determine if it outputs +5 and ~+135 VDC. Another to check would be the HOT (horizontal output transistor). If when the TV was used powered by a generator, there was considerable vertical rolling, the vertical deflection IC would also be a suspect.
A friendly reminder, exercise caution when repairing TVs. It stores up EHV (extremely high voltage). It would be to your advantage to reference a service manual (JVC AV-36D303) or at the very least a schematic diagram with voltage readings.
Good luck and Thank you for using FixYa.
Posted on Jan 05, 2009
Well this happened for my tv aswell its usually a closed captioning setting if u press ur closed captioning button a few times it will go back to normal
Posted on Oct 05, 2009
The set has been put into the "text" mode. In the closed caption portion of the setup menu there is a setting for text. Turn it off.
Posted on Oct 21, 2009
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