Lisa Troubleshooting and Repair

Lisa 2 video issue - vertically duplicated image with diagonal lines

Started by snua12

Replies: 1
Views: 51,549

July 08, 2025, 03:18:33 PM
by patrick

Twiggy Analog Board Rev F1 Schematic

Started by sigma7

Replies: 0
Views: 4,022

June 21, 2026, 03:46:34 PM
by sigma7

Twiggy Springs

Started by sigma7

Replies: 0
Views: 23,558

September 28, 2025, 05:01:25 PM
by sigma7

Troubleshooting self-test Error 57

Started by sigma7

Pages1 2

Replies: 28
Views: 96,679

May 20, 2026, 07:58:50 PM
by pintoguy

Replacing a broken yellow cam on a Lisa expansion card ZIF socket with 3D print

Started by sigma7

Replies: 2
Views: 57,304

June 30, 2025, 02:59:33 PM
by sigma7

Twiggy Digital Board Rev H1 Schematic

Started by sigma7

Replies: 1
Views: 41,787

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

Troubleshooting Bus Errors

Started by sigma7

Replies: 3
Views: 62,947

May 14, 2022, 05:21:38 PM
by sigma7

System Error 10738

Started by sigma7

Replies: 5
Views: 73,862

July 21, 2025, 12:23:50 PM
by AlexTheCat123

Sun20 Questions/Revival

Started by shatle

Replies: 8
Views: 72,241

February 25, 2023, 08:46:37 AM
by shatle

Rear drive head pad has become dislodged. Any repair tips?

Started by ried

Replies: 12
Views: 95,522

August 16, 2025, 12:25:56 AM
by sigma7

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

Started by ried

Replies: 9
Views: 78,795

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

Another cautionary tale... a missing card stop brought down my machine

Started by ried

Replies: 2
Views: 62,103

October 05, 2025, 02:18:04 PM
by AlexTheCat123

Sun Remarketing Lisa Questions

Started by ried

Replies: 5
Views: 59,658

June 13, 2023, 12:51:49 PM
by pintoguy

Twiggy Analog Board Damage

Started by ried

Replies: 3
Views: 928

September 13, 2026, 02:09:24 PM
by sigma7

CPU Error 40 during POST (MMU issue)

Started by ried

Replies: 1
Views: 44,621

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

Twiggy drive head cleaning example

Started by ried

Replies: 1
Views: 113,465

September 27, 2025, 09:50:13 AM
by anotherLISAguy

A few bad blocks on a Widget

Started by ried

Replies: 1
Views: 68,716

September 21, 2025, 04:53:19 AM
by stepleton

Twiggy froggy foam replacement

Started by ried

Replies: 5
Views: 11,957

January 14, 2026, 03:59:01 AM
by stepleton

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

Started by ried

Replies: 5
Views: 59,143

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

Apple Lisa PSU error 47 on cold boot

Started by ried

Replies: 8
Views: 67,511

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