I have a 56-inch Samsung flatscreen projection TV. On cable it has 5 equally spaced vertical green bars. Each green bar is comprised of 8 smaller vertical lines. It also has intermittant purple horizontal bars. You can see a distorted picture behind the bars. On AUX 1 & 2 my Xbox 360 and DVD player operate perfectly. What could be the problem and can I fix it myself?
That is a problem with your main board - some of your inputs work fine and another is bogus. The tv input is not working because there could be a defect in your tuner. If you have cable try a different input for the signal.from the box. If you are using OTA, then use an external HD OTA tuner to feed your set.
SOURCE: have a 56-inch Samsung flatscreen projection TV.
sound like you have a bad digital pcb. its not easy to change these boards and they sometimes requir adjustments after replacement
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