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G603 Wheel Encoder Replacement

Introduction

Logitech G603 mouse wheel encoder replacement.

The encoder is a Logitech 210-001795. It's possible the PCB color on replacements is different than what's inside the G603.

What you need

  1. G603 Wheel Encoder Replacement, Remove Top Cover & Batteries: step 1, image 1 of 1

    • Remove magnetic top cover, batteries, and wireless receiver (if currently stored inside the mouse)

    Edit

  2. G603 Wheel Encoder Replacement, Remove Mouse Feet: step 2, image 1 of 3 G603 Wheel Encoder Replacement, Remove Mouse Feet: step 2, image 2 of 3 G603 Wheel Encoder Replacement, Remove Mouse Feet: step 2, image 3 of 3

    • Carefully remove the feet to reveal the 4 screws holding the top and bottom shells together

    • NOTE: These feet can be removed carefully enough to be reused. Only the top and bottom feet need to be removed, not the one around the sensor

    Edit

  3. G603 Wheel Encoder Replacement, Remove the four Phillips #00 Screws: step 3, image 1 of 1

    • Use Phillips #00 to remove the four bottom screws

    Edit

  5. G603 Wheel Encoder Replacement, Separate the Top and Bottom Shells: step 4, image 1 of 3 G603 Wheel Encoder Replacement, Separate the Top and Bottom Shells: step 4, image 2 of 3 G603 Wheel Encoder Replacement, Separate the Top and Bottom Shells: step 4, image 3 of 3

    • Start at the top above the left and right click and slowly work your way around the shells until they are separated

    • Be careful not to damage the power connector or ribbon cable going from the top shell's boards/battery to the bottom shell's board

    Edit

  6. G603 Wheel Encoder Replacement, Unplug Power and Ribbon Cables: step 5, image 1 of 3 G603 Wheel Encoder Replacement, Unplug Power and Ribbon Cables: step 5, image 2 of 3 G603 Wheel Encoder Replacement, Unplug Power and Ribbon Cables: step 5, image 3 of 3

    • Start with the red and black power cable and gently pull it out

    • Once power cable is removed, you should be able to unfold the two halves and unplug the white ribbon cable

    Edit

  7. G603 Wheel Encoder Replacement, Remove Encoder Ribbon Cable: step 6, image 1 of 1

    • Gently pull out the black ribbon cable connecting the encoder board to the main board

    Edit

  8. G603 Wheel Encoder Replacement, Remove 5 Phillips #00 Screws: step 7, image 1 of 1

    • Remove the Phillips #00 screws holding the encoder board in place

    Edit

  9. G603 Wheel Encoder Replacement, Remove Encoder Board & Wheel: step 8, image 1 of 1

    • Remove the encoder board from the bottom shell

    • Gently remove the wheel from the older encoder board

    • NOTE: The old wheel can be reused in the replacement encoder board

    Edit
Conclusion

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

One other person completed this guide.

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Jim

Member since: 06/17/23

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