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    PET 2001-8 Not Booting

    Here's how many failed components I have found so far... Some of the memory replacements I ordered from China arrived faulty the MM2114N-2 chips. The PET 2001 is booting fine now but I'm having intermittent load errors from the C2N. May need a new belt and media.
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    PET 2001-8 Not Booting

    Q8 went OC and was causing loss of vertical deflection, replaced transistor and its working again. I going to leave it running a diagnostic soak test and heat up for several hours and see if it holds up. Thanks Nivag for your help. BTW the keyboard is working fine but I will need to service the...
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    PET 2001-8 Not Booting

    I found a 2001-8 BS in a rubbish skip and remembering them from my youth decided to take it home and see if it worked. Well of course it didn't , it had just one line of random characters in the centre of the screen. It has 2114 RAM and 6540 ROM chips with a 320132 system board. I built Stephan...
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