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View topic - Installed McWill lcd and screen distorted when powered on

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  • Joined: 12 May 2020
  • Posts: 4
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Installed McWill lcd and screen distorted when powered on
Post Posted: Thu Jun 25, 2020 9:54 pm


Looks like this

Checked and rechecked all my solder joints.

Tested screen on another game gear and it’s fine.

Checked connections from pads on McWill for display to the IC1 chip and they seem fine

Game gear has been recapped a few days ago, all boards

I have added the 0 ohm resistors in place of r13-15



Can I get some ideas or thoughts on what I can try next? At a bit of a loss
AB0E32C6-87FC-4FE1-8625-04DEF3EC0285.jpeg (3.89 MB)
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AB0E32C6-87FC-4FE1-8625-04DEF3EC0285.jpeg

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  • Joined: 22 Apr 2018
  • Posts: 530
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Post Posted: Sat Jun 27, 2020 3:52 am
You might have luck by contacting Marco at order-lynx-lcd@online.de, that's McWill. This assumes you purchased the kit through one of the official distributors of course.

Also this and https://www.smspower.org/forums/18004-McWillGameGearModGarbledGraphics make me wonder whether there is a Game Gear hardware variation we lack documentation for, perhaps a different ribbon cable conductor assignment/different LCD?
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