Lisa Troubleshooting and Repair

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

Started by ried

Replies: 5
Views: 49,730

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

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

Started by TorZidan

Replies: 5
Views: 53,035

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

400k floppy problems. Rom issue?

Started by Steve100

Replies: 2
Views: 39,478

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

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

Started by ried

Replies: 9
Views: 63,228

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

Lisa 2 Motherboards

Started by anotherLISAguy

Replies: 9
Views: 60,494

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

Apple Lisa PSU error 47 on cold boot

Started by ried

Replies: 8
Views: 54,914

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

BLU and Priam Datatower puzzlement

Started by Al Kossow

Replies: 13
Views: 72,317

June 24, 2024, 01:48:22 PM
by Al Kossow

Lisa Widget Drive Repair -- Errors 81, 82, 85 and one successful boot

Started by gbrady

Replies: 1
Views: 32,627

June 18, 2024, 04:49:34 PM
by patrick

Need HELP re: Lisa 2/5 vs. Lisa 2/10

Started by Markintosh

Pages1 2

Replies: 18
Views: 88,765

May 28, 2024, 03:56:35 PM
by Markintosh

No startup - Lisa Power Supply Unit?

Started by Ona Beach

Replies: 4
Views: 46,847

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

Issues with 800K drive motor control

Started by Andrew

Replies: 6
Views: 53,806

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

FloppyEmu not working on Lisa 2

Started by wagbox

Pages1 2

Replies: 16
Views: 91,867

February 17, 2024, 07:53:39 PM
by wagbox

CPU Board Debugging - White Screen

Started by fri0701

Replies: 10
Views: 68,017

January 29, 2024, 01:29:33 PM
by sigma7

Lisa 2/10 230V PSU jumper settings

Started by Insanely Digital

Replies: 5
Views: 47,965

January 28, 2024, 06:01:39 AM
by Insanely Digital

I/O board with DELIBERATELY cut tracks!!!

Started by Exteban

Replies: 3
Views: 42,898

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

Guide to fully taking apart a Lisa?

Started by Andrew

Replies: 2
Views: 40,407

December 31, 2023, 07:51:45 PM
by mactjaap

CRT Ground wire fragility

Started by Andrew

Replies: 5
Views: 45,476

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

How to reach the CPU card for testing?

Started by fri0701

Replies: 6
Views: 50,323

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

Black screen on a Lisa 2/10 Mac XL

Started by Lisa_in_Paris

Replies: 2
Views: 35,199

December 19, 2023, 10:10:24 AM
by fri0701

DataPower 1.8A PSUs: SG3524 regulator IC failing

Started by stepleton

Replies: 5
Views: 47,273

November 02, 2023, 05:53:38 PM
by nekonoko