Atariuser85
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Wanted to thank the community for all the helpful information. I got the repaired unit to work ~90 percent. The first top row of LCDs are glitchy and the paddle is a bit glitchy but works well enough for game play. I ended up using rubbing alcohol to clean up the potentiometer (knob). I did not end up wanting to re-open to try to re-orient the LCD because its working. Figured if I keep moving it around may loose game play again. Also found an interesting article on cost of the Microvision and other handhelds through time. Looks like the original Microvision cost equates to in today's dollars approximately about the cost of a Nintendo Switch ($385) adjusting for inflation.
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Where do I put rubbing alcohol on the potentiometer (knob) to make the knob smoother? I already used rubbing alcohol on the contacts around the lcd area and around the cartridge plug areas. I am now trying make the knob (potentiometer) feel smoother. When I turn it, it feels like almost sand paper, so not turning too smoothly. Its smooth, but not that smooth like it should be. Was wondering how to lubricate the potentiometer.
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I tried the paper, but that did not fix the problem. Actually lost pixels. But, thank you for the suggestion anyway, sounded like a great idea. However, by reassembling the unit I now have the bottom row of the pixels. I am now missing the top row but I can now see the breakout paddle. I notice the knob (potentiometer) is a little rough to move. I have 3m silicon spray, should I spray that into the potentiometer or will that short it out? How do I clean / provide maintenance to the potentiometer? I don't have anything else besides 3M Silicon spray. Thanks
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Thanks. Where exactly do I place the paper?
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Update: So when I changed the contrast button and push hard downward on the cartridge it seems to work. However the last row of lcds closet to the knob seems to fad out or not display the panel. If I push hard I can see the bottom LCD row. Any ideas? Wow fixing this bad boy is taking more work than I thought.
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Thank you. Sorry what is flux? I have solder wire, will that not be enough?
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So how would I need to "create the connection yourself"? Can I first try to drop some solder there to see what it does?
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So it seems this unit is beyond repair in this case?
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Thank you for the helpful tip. Ok I have a solder gun and solder somewhere. I have not used a solder gun in 35 years. Any tips to follow to "reflowing" those two solder joints?
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I cleaned all the connectors - between the lcd and the motherboard. The zebra connectors. both sides of both zebra strips, the contact surfaces on the motherboard and the screen, the cartridge connector and the surface it is held down to. Screen still displaying correctly. Any ideas? Note some of the below pictures were before I cleaned the motehrboard. I noted a few solder terminals not connected (see highlight in picture). Is that correct?
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Thank you for the suggestions. I tried with another cart and have the exact same problem. When you saw I need to clean the cartridge and the screen connectors, may I a little more details on how to go about doing that? I have rubbing alcohol and q-tips. Can you map out how I should go about this process? Apologize, but a complete newbie to repairing electronics.
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Wanted to reach out to the community to please request some troubleshooting help. Just received my new screen. I followed the installation steps carefully. Game sound and game play seems to be working. However screen is not displaying correctly. See below pictures. Any suggestions or tips on how to correct this would be appreciated. Thank you in advance.
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