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The Memotech MTX Series

Memotech Hardware Repairs

 

This page provides details of some hardware fault finding and repairs on mine, and other's, Memotech computers. This page discusses some of the more serious problems that can occur with the MTX, your problem may be much more straightforward. You might like to take a look at this page too.

I hope you find the pages useful, of course, whilst the symptoms of a fault with your MTX may look similar to one, or more, of the faults listed here, there is no guarantee that the "fixes" described here will work for you.

The topics here are based on actual experiences for fault finding and repair of Memotech MTX computers, but before you start, you really should download a copy of the Memotech MTX500/512 Service Manual from my Manuals page.

Component Data Sheets - A selection of datasheets for components used on various Memotech boards

 

MTX Computer Board

Opening the MTX Computer Case

System RAM - Replacing the On-board RAM

System RAM - Using Andy's Replacement Memory Card

Video RAM

Miscellaneous

MTX Overheating Resistor - One MTX Power Problem

 

MTX Keyboard

MTX Keyboard Problems - Some common and not so common problems

 

MTX Speculator

Repairing my Speculator - hopefully! - ongoing

 

FDX Disc System

FDX Power Supply Repair - One Common FDX PSU Problem

My FDX System Fault Finding & Repair - A bit of a saga, but it came good in the end!

MTX Electrolytic Capacitor Replacement - In pictures (Photos from David Kimberlin-Wyer)

FDX Colour Display Problem - Incorrect Colour Display

 

Video Wall System

DDFS Power Supply - Failed - ongoing

 

Spare Parts

The Memotech MTX is now over 30 years old and many of its components are obsolete, it is still possible to obtain most components but they seem to be getting more expensive as they become rarer. I have a very limited quantity of a few components available should you be interested in sourcing them from the UK at, what I believe to be, reasonable prices

See here for details

 

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