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Commodore 64 3AG fuse Replacement

Introduction

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

What you need

  1. Commodore 64 3AG fuse Replacement, Removing screws: step 1, image 1 of 3 Commodore 64 3AG fuse Replacement, Removing screws: step 1, image 2 of 3 Commodore 64 3AG fuse Replacement, Removing screws: step 1, image 3 of 3

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

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  2. Commodore 64 3AG fuse Replacement, Opening: step 2, image 1 of 2 Commodore 64 3AG fuse Replacement, Opening: step 2, image 2 of 2

    • 2. Split the case of the C64 open by pulling up on the case towards you

    • Do not pull too hard that you break the clips.

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  4. Commodore 64 3AG fuse Replacement, Detach Keyboard from motherboard: step 3, image 1 of 2 Commodore 64 3AG fuse Replacement, Detach Keyboard from motherboard: step 3, image 2 of 2

    • 1. Detach the multi-colored wire bundles that's connected to the motherboard

    • 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.

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  5. Commodore 64 3AG fuse Replacement, Locate 3AG fuse: step 4, image 1 of 1

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

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  6. Commodore 64 3AG fuse Replacement, Removing the 3AG fuse: step 5, image 1 of 2 Commodore 64 3AG fuse Replacement, Removing the 3AG fuse: step 5, image 2 of 2

    • 3. Using the ifixit splugger, prop out the 3AG fuse from the clip.

    • * Replace the 3AG fuse by inserting the new fuse and letting it pop into the clip

    Edit
Conclusion

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

4 other people completed this guide.

Author

with 5 other contributors

Silvanus Clarke

Member since: 09/26/14

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5 Guides authored

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Team

USF Tampa, Team 13-6, Staggers Fall 2014 Member of USF Tampa, Team 13-6, Staggers Fall 2014

USFT-STAGGERS-F14S13G6

4 Members

15 Guides authored

2 Guide Comments

The fuse is 1.5 Amp, not 3

JC Andy - Reply

3AG does NOT mean a fast acting fuse. It could be either fast or slow blow. The 3 means it's 1 1/4 " long, the "A" means it has Axial connections, and the "G" means it's made of glass.

Toon Konings - Reply

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