CompuPro Qume Disk Drives

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For more information, see this article's corresponding Wikipedia page: Device.
This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables Capacitor undo icon progressive.svg
This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so. OOjs UI icon information-yellow.svg
CompuPro Qume Disk Drives
Leak Risk Low
Batteries None
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic
Destructive Entry No

A dual QumeTrack842 external floppy disk drive for CompuPro computers

Disassembly Notes

PSU PCB is bolted to chassis through externally heatsinked TO-3 transistors making it really annoying to remove because you must desolder them.

Original Parts

Basic PCB Name

Note model numbers and board revisions here

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C1, C2 2 4700 µF 50V Through Hole + N/C 25mm 62mm 12mm 85 °C Aluminum Electrolytic Nichicon
C4 1 15000 µF 16V Through Hole + N/C 25mm 62mm 12mm 85 °C Aluminum Electrolytic Nichicon
Other Active Components
RefDes Qty Package Type Model
U1, U2, U3 3 TO3 LM350

Replacement Parts

Basic PCB Name

RefDes Qty Compatible Part Number Order Links
C1, C2 2 50PK4700MEFC18X40 Digikey Mouser
C4 1 16PX15000MEFC18X35.5 / UVY1C153MHD DigiKey Mouser

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