Hello, the Magsafe connector of the above Macbook was defective(burnt pins). It is located on a small DC-IN board labeled 820-2361a sitting in the top right corner of the macbook, connected to the main PCB with 5 separate cables.
While replacing the magsafe, I must have unsoldered and lost a small SMD Resistor that is silkscreen-labeled R1 on the solder side(opposite of the magsafe and ferrite filter). It carries the 1bit-bus to the Amber/green LED driver chip in the Magsafe plug, and without connection to the 1-bit chip in the plug, the macbook won't charge.
¿Can anyone please provide...

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Hello, I joined the forum only to get a Resistor's value!
It is a SMD silkprinted R1 on the DC-In-"Magsafe" board 820-2361a of a mid-2010 MacBook Pro (A1297). Upon replacing the Magsafe connector, I must have heated it up enough that it got loose and jumped off my workbench...