Apple Lisa Analog Video Board

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For more information, see this article's corresponding Wikipedia page: Apple Lisa.
Apple Lisa Analog Video Board
Preliminary Information
Release Year 1983
Leak Risk Medium
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic
Destructive Entry No
Hardware Specifications
Graphics Analog monochrome
Apple Lisa Analog Board Back
Apple Lisa Analog Board Back


Known Issues

Symptom or Problem Encountered

Causes

  • Wavy or unstable video

Solutions

  • Replace capacitors

Disassembly Notes

The top of the Lisa can be removed by first removing the back cover and extracting the card cage.

Two captive screws are now accessible through round holes in the underside of the top panel's metal shielding.

Take care to discharge the CRT safely whenever working on or around the analog video board!

Original Parts

Analog Video Board | 620-0121-J

This board was found on a Lisa 2/10, also known as a Macintosh XL.

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
12,19 2 2200 µF 25v Through Hole 17mm 35mm 8mm 85 °C Electrolytic Nichicon SE (M) H8259
31 1 330 µF 16v Through Hole 12mm 22mm 5mm 85 °C Electrolytic Nippon Chemicon SL CEO4W
2 1 470 µF 35v Through Hole 12mm 25mm 5mm 85 °C Electrolytic Matsushita S
7,8 2 10 µF 100v Through Hole 8mm 12mm 5mm 85 °C Electrolytic Matsushita CE S
11 1 100 µF 16v Through Hole 8mm 12mm 5mm 85 °C Electrolytic Nichicon SE (M) M8325
3,4,18 3 10 µF 16v Through Hole 5mm 12mm 2mm 85 °C Electrolytic Marcon 1NK CEO4W

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Related Links

References