820-3208 - No Green / No Orange light - but runs from battery and reads mag safe

nelo1012

New member
820-3208

this board had minor liquid damage (PICTURE) Replaced chip and also resistor and capacitors, but still no light, original problem was no light and does not charge battery, board has already been ultrasonic, replaced U6990, C6990 AND R6996,

U6990:

Pin 1 - 1.27v
Pin 2 - 3.42v
Pin 3 - 7.24v
Pin 4 - 3.43v
Pin 5 - 0v
Pin 6 - 16.15v
Pin 7 - 0v
Pin 8 - 16.5v

anyone can help
 

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dukefawks

Administrator
Also the voltage on the middle pin of the magsafe connector with magsafe plugged in? If not 3V then 3V42 is probably not making it to the IO board due to corroded connector on the board.
 
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