Original Magsafe 2 60/85W charger?
Try SMC bypass mode first.
Check U1900 area for corrosion.
Do you get steady 32KHz at pin 12?
Try SMC bypass mode first.
Check U1900 area for corrosion.
Do you get steady 32KHz at pin 12?
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820-3536-a not turning on, magsafe orange light
- Thread starter Yoel Ren
- Start date
Cycling DC level,or 32KHz oscillation is not constant?
"magsafe unplugged"
Why???
You need to make the board works on charger first.
Let the battery unplugged.
"magsafe unplugged"
Why???
You need to make the board works on charger first.
Let the battery unplugged.
3V42 steady at pin 13?
If yes, change U1900.
If yes, change U1900.