Commodore 64 Computer - Cleaned, Repaired, 22, Hours




Item History & Price

Information:
Reference Number: Avaluer:51466690Brand: Commodore
Type: Home ComputerModel: Commodore 64
Country/Region of Manufacture: United StatesVintage: Yes
Original Description:
Tested for over 22 hours with the Diagnostic Rev. 586220 and full diagnostic harness, without any errors. The photo says 09:08 because the clock flips after 12 hours. If you look at the counter it was up to 1278 iterations without any errors (see photo). I literally forgot to check it the next morning and ran it for almost an entire day. This Commodore 64 has been cleaned, repaired, and tested. The case and keyboard are externally in good condition, but do have some yellowing (see... photos). Internally, the center case hinge is broken, but fortunately this is one of the models that have 3 large hinges so both outer hinges are wide and hold the case shut firmly. The lower case screw mounts are all present but showed some galling and minor cracks. I’ve filled them with a small amount of clear epoxy and then used a small drill bit to clean out space for the screw. This helps keep them from breaking and usually helps the screw hold better.The serial number is P5061278. It has motherboard assembly number 250425 with 8-pin video output. It has all the original MOS chips including an original SID. All the major (big) chips are socketed for easy repair and modification in the future. All the original shielding is in place, and it has the later revision metal heat sink shield that works much better to keep all the original chips from overheating. I cleaned the heat sink and chips and added new heat sink compound during reassembly.The keyboard has been cleaned and tested. This includes cleaning all the internal contacts. I've included a screen shot of Trilogic 64 Doctor showing that all of the keys are working, Both controller ports are also working and tested. Also, included is a basic S-Video cable. I make the video cables myself and the S-Video cable is around 6 ' long. S-video output is about the best quality output you can get from these computers, but if you would prefer a Composite (RCA) cable instead, send me a message after the auction and I can swap the S-Video cable for a Composite cable at no additional charge.I’m also including a tested original power supply. This is the same power supply that I used for the 22+ hours of testing. These power supplies have a reputation of failing over the years and causing a higher than rated voltage which can damage the computer. I’ve tested this power supply. Unloaded it produces 5.066 VDC and at the motherboard under load, it produces 4.917 VDC (see photos). This is perfectly within normal range. Being that this power supply is over 30 years old I cannot make any guarantee of its continued reliability and you use the power supply at your own risk. If you have any concerns you can find many quality professionally made new power supplies for sale online.The auction does not include the diagnostic software I only included the screen shot of it to show that the computer has been tested thoroughly.I will use either USPS or UPS for shipping. Since I'm listing this with free shipping I reserve the right to select whichever carrier is cheaper.



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