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NLG Members who host their own Repair Logs of Various Games. => Channelmaniac's Arcadecomponents' Old School Repair Logs => Topic started by: channelmaniac on February 09, 2010, 05:15:13 AM



Title: Sega Game Consoles
Post by: channelmaniac on February 09, 2010, 05:15:13 AM
Model: Sega Master System
Symptom: Dead

The SMS has a direct line between the power socket, through the switch, to the 7805 voltage regulator. If a power supply of the wrong DC polarity or an AC supply is plugged in, it will kill the regulator. Replaced the voltage regulator and tested the system.