Old Crap Vintage Computing

Macintosh LC II

December 7, 2018 3 LC

Resources

Wiki
everymac.com
Cult of Mac

LC II is an educational version of Macintosh Performa 400.

Documents

Internals

Motherboard

Memory

Please note that video RAM board (larger one) is not original LC II board, but is taken from Macintosh LC.

Power Supply

TDK 699-0153.

Floppy Disk Drive

Sony MP-F75W-11G.

Hard Disk Drive

120MB Quantum ProDrive ELS.

Speaker & Fan

Reassembly

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3 Responses

  1. massmimo says:
    March 6, 2022 at 11:58 am

    mec lc 1
    non si accende il monitor ( monitor vga con adattatore )
    segnali che cedo con oscilloscopio se DB15 femmina da mec
    1, 2, 5,6,7,9,11,13,14 = 0V
    3 onda quadra
    4 ,10= +5V
    8 sinusoidale 2 v
    12 onda quadra
    15 onda quadra
    esiste uno schema di tale macchia grazie

    Reply
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