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Another excellent and instructive video. 30 year old hardware subjected to leaking capacitors is likely to have many broken traces and this is the way to diagnose and fix them. Thanks!!
this is very useful content for anyone looking to repair a broken game gear, hats off for sharing your advanced knowledge. Also great setup and camera work.
Excellent video mate. I finally managed to fix a Game Gear that I swapped the video ram out a few years ago. The problem persisted until now and your video gave me the inspiration to try again. D6 had a bad trace to the asic. Multimeter and continuity check did the trick, still need an oscilloscope though.
Yep seen them. I had plans to do them but probably will work with Mathijs on newer version or just make and open source one. I'm working on GBA board at the moment then will jump to GG
any videos like this or documentation for the 1 chip version? Also my power light blinks on & of & the screen scrambles or it stays black. ( it's a retrosix kit)
Brilliant video! I have this issue but no access to a scope, is there a way to test the pins for data with a multimeter? I’m learning all this as I go 😬
Possibly. Multimeter into resistance mode and probe the ASIC pin at one side and the other pin like VRAM pin with the other. Resistance should be very low. If it's above 5 ohm it's likely bad
Hi, I have the same display issue but my problem is that, my game gear starts up normally and after 5 to 10 min I will end up with this problem. Will it be more or less the same as this way to troubleshoot or do I have an overheating problem? (I have tried using original battery/power board and the ones I bought from you and even using power brick but same display problem so it should not be a power issue.)
Is there something special about the video sram? I've tried 2x HY62256ALJ-10 from a snes and they didn't work. Or I was just unlucky and are both faulty? Or it only works with pseudo sram?
@@RetroSix Thank you. yes, it works if i use the sram from another game gear, but now I need another sram for the donor console. I will try to replace it with some other brand of sram that i have at home. If it doesn't work, I'll order some pseudo sram from china.
