“Breadbin” case, original brown, without embossed connector labels
Trivia
Was sold as “defective, no picture”, which was actually true.
Got it for a fair price. However, with the replacement VIC and CIA, it turned out to be one of my most expensive C64 adventures so far.
Restauration Works
Case and keyboard thoroughly cleaned.
System showed no picture. VIC was broken and replaced.
Diagnostics showed bad 6526@U2 and bad 4066@U28. Swapping both CIAs just made things worse, then 6526@U1 and 6526@U2 were shown as bad. After cross-swapping chips with a known-good C64 it turned out that 6526@U1 was the culprit. Replaced U1 with a new old 6526A.
All three hinges were broken off and are replaced by 3D printed parts.
Picture lost color when the system warmed up. Fixed by resoldering the DIN connectors, cleaning R27, and calibrating the color clock.
History
2023-06-02:
Commodore badge was partially loose. I fixed it with double side adhesive tape.
Cleaned R27, resoldered the DIN connectors, recalibrated the color clock.
Longer test run revealed no further issues.
2023-06-01:
Replacement CIA arrived and finally fixed the system
2023-05-30:
Board cleaned
CPU, SID, VIC heatsinked
Fixed all three broken hinges
Replaced a missing case screw
Full diagnostics revealed that 6526@U1 (date code 0283) is broken
2023-05-29: Restauration
Board recapped (C88 and C90 are not Vishay/Panasonic, but still 5000h specified)
Replaced 7805 and 7812 with Traco Power DC/DC converters
2022-09-24
Keyboard disassembled, cleaned, and reassembled
2022-08-31
Replaced broken VIC
2022-08-27
System disassembled
Case cleaned (including handwritten text on the back)
Case bleached in the sun
2022-08-26
Quick diagnostics: VIC (date code 4482) is broken, rest seems to be OK
