Sega Game Gear
| Problem Description | Symptoms | Solution | Source |
|---|---|---|---|
| No power. | Check out this comprehensive RetroSix article on the issue. | Source | |
| Won’t read game cartridges. | - Check for bent pins in the cartridge reader. - Check for degraded/cut traces - Check for shorts around the MPU - Check for shorts around the RAM | Pinouts for these chips | |
| No audio. | Most likely has a problem with the audio board. Capacitor leakage can often destroy traces requiring you to have to run a jumper wire to fix them. You can use an oscilloscope to help diagnose the problem - Check connector to see if you have L and R audio and 5V. L and R should read around 100mV. If you don’t then you have a problem with the main board - Use the schematics and an oscilloscope to diagnose any broken components or broken traces - The trace that brings 5V to pin 2 on IC1 often breaks, you can run a jumper wire to fix it | Source |