Premium Vishay Capacitor Set for ZX Spectrum 16K/48K | Recapping Kit

Description

Premium Vishay Capacitor Set for ZX Spectrum 16K/48K

If your ZX Spectrum is suffering from memory corruption, unstable power, or a failing video signal, the original electrolytic capacitors are likely the culprit. After forty years, these components dry out and leak, leading to the “dead” machines we often see today. Our ZX Spectrum 16K/48K Capacitor Replacement Kit provides the high-quality, modern components required to bring your machine back to life.

High-Quality Components for Long-Term Restoration

We have selected Vishay axial electrolytic capacitors for this kit because they are widely recognised as the gold standard in electronics restoration.

• Superior Longevity: Unlike “cheap” alternatives, Vishay components provide tight tolerances and a significantly longer lifespan.
• Faithful Aesthetics: The iconic blue casing of these capacitors keeps your motherboard looking authentic while performing to modern standards.

What is Included in This Kit?

This comprehensive set includes every electrolytic capacitor needed to fully recap your 16K or 48K motherboard. We have carefully sourced these to ensure they match the required voltage and capacitance values specified by the original Sinclair schematics.

Optional DC-DC Mod Kit (Issue 3 & 3B Boards)

For users with the classic Issue 3 and 3B motherboards, we offer an optional DC-DC Mod Kit.

• Improved Efficiency: Replacing the standard power arrangement with this kit helps modernise the power delivery.
• Cooler Operation: Reduces the thermal load on the internal regulator, which is excellent for prolonging the life of your other components.
• Essential for Restoration: If you are performing a full rebuild, this mod is highly recommended to improve overall system stability.

Essential Tips for Recapping

1. Preparation: Always use high-quality desoldering equipment (a pump or wick) to avoid lifting the delicate tracks on the original PCB.
2. Polarity Matters: Electrolytic capacitors are polarised. Always ensure the positive and negative ends match the markings on your motherboard before soldering.
3. Safety First: Ensure your Spectrum is unplugged from the mains and the power supply is disconnected before beginning any work.

Compatibility

This capacitor kit is suitable for the 16K and 48K rubber key Spectrum models. Please ensure you select the appropriate option if you wish to include the DC-DC mod kit for your specific motherboard revision (Issue 3 or 3B).

Note: This is a DIY component set and requires confident soldering skills. If you are not comfortable working with vintage PCBs, please consider our professional repair and refurbishment services.

A PDF file containing all the motherboard layout diagrams can also be viewed or downloaded from here:
Motherboard layout diagrams PDF

See notes here on performing the DC-DC mod:
DC-DC Mod notes PDF