Apple II Europlus / Keyboard and Floppy Disk Drive Repair
Apple II Europlus / Keyboard and Floppy Disk Drive Repair
Defects:
- The peripheral slots are totally dead.
- Don’t runs programs that take up more than 16k
- The keyboard doesn’t respond properly.
- The Floppy Disk Drive don’t read anything.
Replaced parts:
- Replaced [H12] Decoder/Demultiplexer 74LS138 in the position [H12]
- Replaced 3 x 4116 RAM in the row [D]
Keyboard:
- Cleaned the blades and the contacts on the pcb. Work not recommended to those who have little skill.
Apple Floppy Disk Drive:
- The Floppy Disk Drive (Drive 2) had to be cleaned and oiled.
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love the site. on your disk ][ repairs, do you run into more electrical or mechanical failures? i definitely run into more mech fails.