Lisa Troubleshooting and Repair

Apple Lisa PSU error 47 on cold boot

Started by ried

Replies: 8
Views: 58,364

September 01, 2024, 06:07:04 PM
by ried

Lisa 2 Motherboards

Started by anotherLISAguy

Replies: 9
Views: 64,488

September 11, 2024, 01:28:09 PM
by AlexTheCat123

Uh oh... Did I kill a serial port?

Started by ried

Replies: 9
Views: 67,803

September 18, 2024, 03:22:16 AM
by sigma7

400k floppy problems. Rom issue?

Started by Steve100

Replies: 2
Views: 41,493

October 09, 2024, 05:15:49 PM
by Steve100

Lisa cursor blinks rapidly, each keystroke prints multipe symbols on screen, why

Started by TorZidan

Replies: 5
Views: 56,579

October 27, 2024, 12:28:48 AM
by sigma7

Lisa 1 (2/5) Parallel port interfering with Mouse tracking?

Started by ried

Replies: 5
Views: 52,769

November 12, 2024, 11:49:30 AM
by ried

The Lisa power-on button: all you may want to know

Started by TorZidan

Replies: 2
Views: 42,602

November 22, 2024, 06:43:32 PM
by pl212

BLU LLF Failing

Started by blusnowkitty

Pages1 2

Replies: 15
Views: 105,423

January 04, 2025, 11:58:26 AM
by mikerofone

Video Board

Started by AlexTheCat123

Replies: 3
Views: 41,058

January 31, 2025, 09:25:37 PM
by AlexTheCat123

Twiggy Digital Board Rev H1 Schematic

Started by sigma7

Replies: 1
Views: 36,981

February 13, 2025, 04:15:38 PM
by sigma7

Twiggy drive head pressure

Started by stepleton

Replies: 3
Views: 49,024

February 19, 2025, 11:14:51 PM
by ried

Help with Lisa restoration. Screen out of focus

Started by bmwcyclist

Replies: 3
Views: 39,902

February 28, 2025, 09:28:12 PM
by bmwcyclist

Restore info on CPU/IO/PSU list of caps and other parts needed.

Started by bmwcyclist

Replies: 0
Views: 30,720

March 04, 2025, 12:10:58 PM
by bmwcyclist

LISA card compatibility and interchangeable scenarios?

Started by bmwcyclist

Replies: 2
Views: 40,519

March 05, 2025, 06:50:54 PM
by bmwcyclist

Request for BlueSCSI config files

Started by bmwcyclist

Replies: 1
Views: 37,455

March 15, 2025, 12:32:51 PM
by AlexTheCat123

CPU Error 40 during POST (MMU issue)

Started by ried

Replies: 1
Views: 37,914

March 16, 2025, 02:46:54 PM
by sigma7

CPU board versions and revisions?

Started by bmwcyclist

Replies: 0
Views: 52,873

March 23, 2025, 06:45:06 PM
by bmwcyclist

CPU 42 error...

Started by bmwcyclist

Pages1 2

Replies: 18
Views: 124,658

March 23, 2025, 06:45:49 PM
by bmwcyclist

Video checkerboard pattern

Started by nickpunt

Replies: 3
Views: 51,152

April 02, 2025, 03:09:08 PM
by sigma7

Widget 82 error.

Started by bmwcyclist

Pages1 2

Replies: 18
Views: 143,474

April 07, 2025, 06:00:09 PM
by sigma7