Before I go into detail, the cartridge is not dirty, it happens with them all, the cart slot is fine. Seems that's the only suggestion I find when I've been researching this issue. Now, moving on. i recently picked up a lot of 6 SNES from eBay for $20 to try and repair. Some are in REALLY rough shape, but one of them mostly works, however the sprite layer is not working properly. This was noticed when I tried loading Super Mario World. The background and sound works perfectly, but the sprites flash, or only halfway appear, sometimes nothing at all. I'll try and take a picture later. I tried Toy Story, and got all the background images, but as soon as a sprite layer is supposed to appear (menus, icons, etc), they don't work or are scrambled. The Board revision is SNS-CPU-GPM-01 I'm using an OEM AC adapter which is known-good, AV cable is good, all games are good. I checked the Voltage regulator, and my multimeter has it fluctuating between 5v and 6v. Is this normal? There could be a bit of error on my multimeter, or possibly the 7805 is going bad. Fuse is good, power jack is good. There's no signs of liquid damage on the board, but I'm going to go through checking traces soon. I'm hoping to limit the scope of my search, rather than searching all the traces, does anybody have a suggestion as to what could control this? My guess is the vram? Possibly the wRAM? I'm not sure it's the PPU, you would think that other issues would appear. Has anybody here had experience fixing missing sprites on a SNES? What is typically the culprit? Also, I've started recording some of the repairs and starting a youtube channel. I don't mean to seem like spam, but if you're bored, check it out. I've only got a couple videos up, one is repairing traces on a game cart, one is a full disassembly and clean of a system. I don't have this particular system up yet on youtube. Thanks for any help you can provide. I quickly uploaded a video of what I'm getting. Hopefully this helps with showing the actual problem. Also worth noting, it happens on a CRT as well as my Plasma. the TV is not the issue either. With Further research, I found this: https://emu-docs.org/Super NES/General/snesdoc.html#Terminology It's not perfect for what I need, but it does seem to indicate that the sprites are stored in the VRAM. I'm going to check the power in to each VRam chip, as well as the traces between the VRAM and the PPU to start. won't be able to do this for a couple days, but again, if anybody has any other insight, I'd be glad to hear it.