SEGA Game Gear Majesco
Here you will find repair resources for the SEGA Game Gear Majesco 171-7923A model. Currently there is still some work-in-progress for the schematics, but we will keep updating it!
GAME GEAR MAIN USA 171-7923A Board scans
I disassembled all parts by hand and measued them with my LCM meter. So far this is the result of the GameGear Majesco BOM.
SEGA 315-5682 Pinout
The SEGA 315-5682 chip is used by the VA4 / VA5 and Majesco variants. So far I have traced back the majority of the traces and made the following pinout. Most of the pinout is based on the VA1 SEGA 315-5535 chip. Still work in progress!