ZX81 PSU

For more information, see this article's corresponding Wikipedia page: ZX81.

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

Sinclair ZX81

[[File:

|300px]]

Preliminary Information
Release Year	1981
Leak Risk	Unknown
Batteries	None
Mounting Technology	Through Hole
Capacitor Types	Aluminum Electrolytic
Destructive Entry	No

Known Issues

Leaky capacitors.

Symptom or Problem Encountered

Causes ripple in the output of the PSU.

Disassembly Notes

Unscrew the three flathead screws on the bottom and that's it.

Original Parts

Basic PCB Name

Capacitor Specifications and Footprint Information

RefDes	Qty	Capacitance	Voltage	Mount	Diameter/Size	Height	Lead Spacing	Temp	Type	Brand	Series
	1	2200 µF	16V	Through hole				85 °C
	1	1000 µF	16V	Through hole				85 °C

Replacement Parts

Basic PCB Name

Capacitors

RefDes	Qty	Compatible Part Number	Order Links
	1	16PK2200MEFC10X20	Digikey Mouser
	1	860020375017	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

• Videos or other things that might be helpful to check out