7854/Repairs: Difference between revisions

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Added pictures of a replacement board
(Created page with "This page attempts to outline all of the possible remediation techniques to address the mask ROM problem that plagues 7854 scopes with the original ROM board. Later versions...")
 
(Added pictures of a replacement board)
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'''Option 4: Build a new board'''
'''Option 4: Build a new board'''


Several people have built replacement boards that use modern programmable devices. Holger Lübben is working on a new version of the combined ROM Diagnostic board. He’s still testing it and will release it when it’s done.
Several people have built replacement boards that use modern programmable devices. Holger Lübben produced a new version of the combined ROM Diagnostic board.
 
<gallery>
7854_rom_replacement_V30.jpg|Prototype
7854_rom_replacement_V31.jpg|Final version
7854_dignostic_ovl.jpg|Keyboard overlay
</gallery>
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