Macintosh 128K 512K Plus Brightness Knob


Brightness knob & ground clip


Found on the Power/Sweep board, this knob adjusts the brightness on the 128K, 512K and Plus. Stray analog or power sweep board ground clips are also here.

Select from the brown knob – which goes with the beige cases, or the platinum colored knob for the platinum Plus’s.

A) Brown knob

B) Platinum knob

C) Power sweep board ground clip