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Commodore 64 3AG fuse Replacement

Device	Commodore 64
Difficulty	Very easy
Time	1 minute
Steps	5

This guide is by Silvanus Clarke on iFixit and is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0. ByteRot mirrors it for non-commercial preservation: formatting changed and photos resized for old browsers; full-size photos and the text are on the FTP in /DOCS/REPAIR. Original guide >>

A 3AG fuse is a glass - bodied fuse designed to break an electric circuit if the current exceeds safety levels in a Commodore 64 device

Tools: Phillips #00 Screwdriver; Spudger

Step 1 :: Removing screws

• 1. Remove three 6.75mm ph2 screw heads from the casing

Step 2 :: Opening

• 2. Split the case of the C64 open by pulling up on the case towards you
• CAUTION: Do not pull too hard that you break the clips.

Step 3 :: Detach Keyboard from motherboard

• 1. Detach the multi-colored wire bundles that's connected to the motherboard
• NOTE: In this picture, the power indication LED (connected to the black and red wires) is not fastened to the keyboard panel, yours might be different.

Step 4 :: Locate 3AG fuse

• 2. Find the 3AG fuse located next to the joystick ports and On/Off switch

Step 5 :: Removing the 3AG fuse

• 3. Using the ifixit splugger, prop out the 3AG fuse from the clip.
• NOTE: * Replace the 3AG fuse by inserting the new fuse and letting it pop into the clip

Conclusion

To reassemble your device, follow these instructions in reverse order.

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