Lisa Troubleshooting and Repair

Sun disk controller schematic

Started by Al Kossow

Replies: 5
Views: 60,631

April 30, 2023, 08:35:03 PM
by sigma7

CRT Ground wire fragility

Started by Andrew

Replies: 5
Views: 56,914

December 30, 2023, 06:10:10 PM
by Andrew

Twiggy froggy foam replacement

Started by ried

Replies: 5
Views: 11,964

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

Mac TCP on OS 7.1 not working

Started by bmwcyclist

Replies: 5
Views: 82,135

September 30, 2025, 12:35:13 PM
by bmwcyclist

Advice for removing the connector on the back of the CRT without breaking it.

Started by rayarachelian

Replies: 5
Views: 80,823

May 26, 2020, 12:00:46 PM
by compu_85

System Error 10738

Started by sigma7

Replies: 5
Views: 73,867

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

Asante' EN/SC and MacWorks+II, Sun SCSI, address error

Started by bmwcyclist

Replies: 5
Views: 68,844

October 17, 2025, 01:41:13 PM
by sigma7

Sun SCSI Card Issues

Started by AlexTheCat123

Replies: 5
Views: 72,917

March 17, 2022, 04:58:02 PM
by Lisa2

No startup - Lisa Power Supply Unit?

Started by Ona Beach

Replies: 4
Views: 56,553

April 24, 2024, 10:43:24 PM
by AlexTheCat123

Misc Lisa peripherals repairs

Started by pintoguy

Replies: 4
Views: 59,264

July 14, 2022, 05:31:54 PM
by pintoguy

Profile sticking at Track 0

Started by blusnowkitty

Replies: 4
Views: 69,148

October 20, 2021, 05:39:55 PM
by compu_85

Any tips for lubricating a Lisa keyboard?

Started by Huxley

Replies: 4
Views: 14,985

February 12, 2026, 02:24:03 PM
by stepleton

Widget Repairs

Started by patrick

Replies: 3
Views: 87,972

February 04, 2019, 10:56:23 PM
by rayarachelian

Twiggy drive head pressure

Started by stepleton

Replies: 3
Views: 54,574

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

Keyboard totally not responding on Lisa 2/10

Started by MyTechAttic

Replies: 3
Views: 50,730

March 23, 2023, 09:14:45 PM
by MyTechAttic

Lisa Tripping GFCI

Started by jamesdenton

Replies: 3
Views: 135,045

August 31, 2025, 02:05:29 PM
by jamesdenton

I/O board with DELIBERATELY cut tracks!!!

Started by Exteban

Replies: 3
Views: 51,977

January 18, 2024, 04:47:22 PM
by sigma7

File System Issues.

Started by bmwcyclist

Replies: 3
Views: 62,822

May 23, 2025, 02:49:36 PM
by bmwcyclist

Troubleshooting Bus Errors

Started by sigma7

Replies: 3
Views: 62,950

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

2MB memory boards missing a trace

Started by stepleton

Replies: 3
Views: 52,208

October 29, 2023, 05:33:19 AM
by patrick