Hello, I just got a practically new Sega Genesis off Ebay and it seems to go through phases. It displays a thin horizontal line across the top of the screen. This line isn't there all the time but it always gradually appears over time when I play a game, usually getting thicker. When I switch to another game it's still there. Sometimes it's already there when I first turn on the system after not playing it for a while. I don't know if this is a normal thing for a first generation Sega Genesis (1991 model that comes with Sonic 1) but it gets me wondering. Most people wouldn't care about it but I just would like to know if it's normal. I used to have a Sega Genesis years ago and I played it on rounded cornered and sided TVs that would hide the line if the line was normal, but now with a strait-cornered TV I can see it. Could you tell me anything about this line, if it's normal or not for a practically new (Very new really) Sega Genesis? Thank you.
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Normally horizontal line [a thin vertical line across the center of the screen] fault with CRT based TVs is the fault with its vertical scan output section circuit. Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Type in this key phrase " my service table today " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.
Type in the brand name to your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.
Did you say HDMI? I don't think there are HDMI plugs for Sega Genesis. You can plug in your Sega via composite video through RCA cables (yellow, red white) or via RF signal through coaxial cable. Check your TV's specs to make sure it can display standard definition content via composite or via RF.
You can double check to make sure your Sega Genesis is working properly by plugging it into an old-fashioned CRT (fat tube) television set.
This is pretty common. The games just need a good Q-Tip cleaning, and then the weird clean pencil-eraser rubbing.
Get out a Q-Tip, and rub it inside the game, on the copper part (The part you stick down into the system.). Keep doing this with new Q-Tips if the old ones get soiled with black stuff. After the new Q-Tip comes out white, it should work.
Sometimes, that isn't enough. Use some Windex or any other rubbing alcohol, dip it onto a Q-Tip, and rub it onto the copper part. Then, use a dry Q-Tip to dry it off, and let it sit out of it's case and out of the system for about 20 minutes so that the alcohol dries.
If that doesn't work, use a pencil with a clean pink eraser at the tip. Rub it inside the game, and use a Q-Tip to get all of the eraser shavings out. This breaks the electro-static cling/friction made when the game is being read by the system.
And if none of that works, go on Amazon or Ebay or to the store Slackers and get new video and AC wires for the Genesis. Sometimes that's all it needs!
I really hope this helps!
Have you cleaned the Sega? What I mean is where the casset game goes. Push down the little flap, and there should be a little strip with contacts on the inside. Just clean it with a cotton swab and alcohol. And also, clean all your games also the same way.
Hey I had that same problem with my sega genesis,on my 52 inch rca hdtv,,its because your using the antenna plug to plug it to your tv,,look on ebay youll find for like 3 or 4 $. a s video for your genesis ,,no more lines ,, way better picture,, very clear,,hope to help,,, thanks
yes unfortunately i think its been dropped by the sounds of things,and yes it can be repaired,you can purchase a screen off ebay thier not that expensive,if you know anybody thats electricly minded if so let me know and i'll send you the webpage that shows you how to do it step by step.dont send it away to be mended what ever you do because it'll cost more to repair than its worth.