Lisa Troubleshooting and Repair

Datapower DOA

Started by stepleton

Replies: 9
Views: 63,990

June 29, 2023, 09:26:25 PM
by sigma7

Lisa 2 Motherboards

Started by anotherLISAguy

Replies: 9
Views: 70,643

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

Sun20 Questions/Revival

Started by shatle

Replies: 8
Views: 69,074

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

Apple Lisa PSU error 47 on cold boot

Started by ried

Replies: 8
Views: 64,214

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

Help needed for Apple Lisa PSU Transformer 120VAC resistance

Started by greniu

Replies: 8
Views: 67,980

August 05, 2023, 12:45:43 AM
by greniu

Any way to get your hands on a replacement for I/O board RP3?

Started by stepleton

Replies: 7
Views: 62,691

October 04, 2022, 04:22:25 PM
by stepleton

RamStak Issues

Started by blusnowkitty

Replies: 7
Views: 81,036

January 31, 2022, 11:38:16 AM
by patrick

First time Lisa owner, trying to get it fixed up and ready to go

Started by RadRacer203

Replies: 6
Views: 85,001

February 23, 2021, 11:48:00 AM
by RadRacer203

How to reach the CPU card for testing?

Started by fri0701

Replies: 6
Views: 57,562

December 29, 2023, 12:13:39 PM
by AlexTheCat123

400k floppy drive and floppy emu going crazy

Started by Kelly king

Replies: 6
Views: 84,754

June 16, 2025, 06:05:31 PM
by sigma7

Apple Lisa Widget Drive Help

Started by Max1227

Replies: 6
Views: 84,966

January 31, 2021, 04:23:22 PM
by mactjaap

Issues with 800K drive motor control

Started by Andrew

Replies: 6
Views: 62,630

February 28, 2024, 12:15:46 PM
by Andrew

Lisa Serial Port Diags?

Started by bmwcyclist

Replies: 6
Views: 37,435

November 16, 2025, 02:49:56 PM
by bmwcyclist

CRT Ground wire fragility

Started by Andrew

Replies: 5
Views: 54,539

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

Mac TCP on OS 7.1 not working

Started by bmwcyclist

Replies: 5
Views: 77,261

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: 77,198

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

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

Started by bmwcyclist

Replies: 5
Views: 64,483

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

Sun SCSI Card Issues

Started by AlexTheCat123

Replies: 5
Views: 70,367

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

Twiggy froggy foam replacement

Started by ried

Replies: 5
Views: 8,376

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: 56,781

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