Building a DIY C64 Power Supply (The Lazy Way)
921I made a simple replacement power supply for my Commodore 64 and my VIC 20 by using a 9V transformer and a pre-made 5V power brick and putting it into a nice case basically.
I kept the "preliminary fuse" of 315mA for the primary but settled on a larger 1.5A fuse for the 5V because 1A is underpowered (and causes problems, especially on the VIC20 which is a bit more power hungry).
ONLY ATTEMPT TO BUILD SOMETHING LIKE THIS IF YOU KNOW EXACTLY WHAT YOU ARE DOING. MAINS VOLTAGE CAN KILL YOU!
Ray Carlsen's C64 power supplies: http://personalpages.tds.net/~rcarlsen/
Greisi's PSU is in this video (everything's available for download from the video description, also the pinout of the C64 power connector): https://youtu.be/oY6ycn7qmzo
Here's the DIN 45329 plug you need: https://www.c64-wiki.com/wiki/Power_Supply_Connector
Here's the case I used: https://www.reichelt.de/Kunststoffgehaeuse-BOPLA/BOPLA-E-440VL/3/index.html?ACTION=3&GROUPID=7712&ARTICLE=5702
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