9 years agoReviving 820-2879 with no power no MCP and no CPU after destruction by idiot. :-(Louis Rossmann
4 years ago20 minute rant disguised as board repair: A1989 no power 820-00850 logic board repairLouis Rossmann
8 years agoUnderstanding power rail sequence saves time in electronics troubleshooting.Louis Rossmann
4 years agoA1502 Macbook Pro logic board repair - 820-4924 120 mA usage, not powering onLouis Rossmann