Street Fighter 2 (bootleg) Repair Logs
Model: Street Fighter 2 bootleg (One large single board) Symptom: Garbage on screen
Board had some strange RAM chips on it. They were surface mount 62256 chips on DIP carriers. Replaced 2 bad video RAM chips and tested board. Board had graphic glitches - it did not like the replacement SRAM chips for video. Swapped the video SRAM chips for the main CPU SRAM and played several games. The replacement SRAM chips functioned fine as CPU RAM.