Troubleshooting / Repair Info

Some of my blog articles offering brief repair and troubleshooting information:

ZX Spectrum

• Repairing a ZX Spectrum
• Re-capping info
• A Diagnostic Test ROM for the Spectrum
• Some Notes Regarding Problems When Loading Games
• Issue 2 PCB modifications
• How to replace a (faulty) Spectrum ROM with an EPROM.
• Composite Video Mods
• Problems with replacement Spectrum Plus Membranes
• How to restore the white ZX Spectrum case logo (Warning: Painstaking!)
• All about Spectrum heatsinks

Commodore 64:

• A Quick C64 Fault-finding Guide
• C64 Keyboard Information / Repair

Other (external) resources:

• Retro Workshop's Spectrum Test & Refurbishment Guide (Youtube)