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NLG Users Repair Logs and Other Ramblings. Request your very own topic. Just ask any site staff. => Channelmaniac's Arcadecomponents' Old School Repair Logs => Topic started by: channelmaniac on May 04, 2014, 05:48:18 PM
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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.