Olivetti M24 and ATT 6300

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For more information, see this article's corresponding Wikipedia page: Olivetti M24.
This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
Olivetti M24 and ATT 6300
Preliminary Information
Release Year 1983
Leak Risk High
Batteries Yes, RTC known to leak
Mounting Technology Through Hole, Sockets
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic,
Destructive Entry No

Created by Olivetti and licensed by AT&T the M24/ 6300 is an 8086 PC clone with some proprietary changes

Known Issues

Battery on Motherboard Leaks

Causes

  • RTC battery can leak and cause corrosive damage

Solutions

  • Remove battery and clean with baking soda

No Power

Causes

  • Pins soldered on the power supply board may be broken loose, especially for heavy parts like transformers or connectors like for the molex power cable.

Solutions

  • In a pinch, reflow the solder to reconnect it. But new solder should be added.
    • After reflowing parts could be glued down to help avoid it happening again

Original Parts

Power Supply

PCB is split but does not duplicate RefDes', C1050 AL191/1-B, COD 303603 P, P-P3, PSU Model 303219M

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Lead Spacing Temp Type Brand Series
124, 134 2 680µF 200V Through Hole Radial 30mm 10mm 85C Aluminum Electrolytic Nichicon PS-M
132, 139 2 22µF 25V Through Hole Radial 5mm 85C Aluminum Electrolytic Nichicon SE-M
50, 62 2 100µF 25V Through Hole Radial 8mm 85C Aluminum Electrolytic Nichicon SE-M
83B 1 4.7µF 63V Through Hole Radial 5mm 85C Aluminum Electrolytic ? 0.03(M)

8410

Jacket is Yellow

74 1 470µF 16V Through Hole Radial 10mm 85C Aluminum Electrolytic Ace SE-M
69 1 1000µF 6.3V Through Hole Radial 10mm 85C Aluminum Electrolytic Ace SE-M
28 1 220µF 35V Through Hole Radial 10mm 85C Aluminum Electrolytic Ace SE-M
35 1 2200µF 10V Through Hole Radial 16mm 85C Aluminum Electrolytic Nichicon SE-M
65 1 1000µF 16V Through Hole Radial 10mm 85C Aluminum Electrolytic Ace SU
35B 1 2200µF 25V Through Hole Radial 16mm 85C Aluminum Electrolytic Nichicon SE-M
21 1 10,000µF 6.3V Through Hole Radial 18mm 85C Aluminum Electrolytic Nichicon SE-M
20 1 4700µF 16V Through Hole Radial 18mm 85C Aluminum Electrolytic Ace S

References