The Macintosh Portable was sold by Apple Computer from September 1989 to October 1991. Like all Macintoshes of its era, its original surface-mount electrolytic capacitors leak their contents and require replacing for both functionality and to protect critical traces on its circuit board from being eaten by electrolyte.
Original Parts
Revision 820-0219-A Logic Board
 TODO Document capacitor sizes. |
Capacitor Specifications and Footprint Information[1]
| RefDes
|
Qty
|
Capacitance (µF)
|
Voltage (V)
|
Mount
|
Size
|
Type
|
Brand
|
| C2, C6, C18, C19
|
4
|
100
|
25
|
Through-Hole
|
|
Aluminum Electrolytic (Radial)
|
Nippon Chemi-Con
|
| C3
|
1
|
220
|
25
|
Through-Hole
|
|
Aluminum Electrolytic (Radial)
|
Nippon Chemi-Con
|
| C4, C5, C15, C24
|
4
|
1
|
50
|
SMD
|
|
Aluminum Electrolytic
|
Unbranded
|
| C8, C16, C20
|
3
|
470
|
25
|
Through-Hole
|
|
Aluminum Electrolytic (Axial)
|
Nippon Chemi-Con
|
| C9, C10, C11, C17, C22, C25, C26, C27, C28
|
9
|
47
|
16
|
SMD
|
|
Aluminum Electrolytic
|
Unbranded
|
| C14, C116
|
2
|
10
|
16
|
SMD
|
|
Aluminum Electrolytic
|
Unbranded
|
References
