Defender Repair Logs

Massive Williams Defender Repair Log

http://www.retrocomputermuseum.co.uk/forum/index.php?topic=4703.0

Note: The images are now broken on the above link, so I have a PDF version stored here for future references

Trying to burn decoder EPROM replacements

http://forums.arcade-museum.com/archive/index.php/t-290979.html

Using 4164 RAM

http://www.robotron-2084.co.uk/techwilliams4164.html

Williams Decoder ROM replacements

http://arcadecontrols.com/BBBB/decoder.html

The Ranger Chronicles (Williams Game Board Repairs)

Stef van Dijk’s repair logs for Robotron, Joust and other Williams boards

The Ranger Chronicles

Aussie Arcade’s Great Defender Repair Log

GameDude’s repair log of a troublesome Defender which I have also stored here in PDF form just in case it ever disappears!

http://wiki.aussiearcade.com.au/index.php/PCB_Repair_Logs_Defender

Aussie Arcade Wiki – PCB Repair Logs Defender

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