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Sega Master System II Motherboard Replacement

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  1. Sega Master System II Motherboard Replacement, Outer Case: étape 1, image 1 de 1
    • Flip the console on it's back and unscrew the 5 screws marked on this photo.

  2. Sega Master System II Motherboard Replacement: étape 2, image 1 de 1
    • Once you've unscrewed those 5 screws, flip the console upright again.

  3. Sega Master System II Motherboard Replacement: étape 3, image 1 de 2 Sega Master System II Motherboard Replacement: étape 3, image 2 de 2
    • Once the console is upright, first gently pull the rear of the top up.

    • After the top is at an angle, gently remove it by pulling upwards.

    • Note: Be very careful! The top has 2 tabs connecting it with the bottom half, those are in the vincinity of the 2 controller ports! (marked yellow)

  4. Sega Master System II Motherboard Replacement: étape 4, image 1 de 1
    • Once the 2 halves are separated, it should look something like this.

  5. Sega Master System II Motherboard Replacement, Motherboard: étape 5, image 1 de 1
    • Next step is the removal of the RF shield

    • There are 7 screws in total, please unscrew those.

    • The blue marked screw is shorten than the other 6 screws, this screw has to be put back in the exact same location during reassembly.

    • Note: Tab marked in yellow!

  6. Sega Master System II Motherboard Replacement: étape 6, image 1 de 1
    • Carefully lift the RF shield up, left side first.

    • See note previous step.

  7. Sega Master System II Motherboard Replacement: étape 7, image 1 de 2 Sega Master System II Motherboard Replacement: étape 7, image 2 de 2
    • Now we have a complete view of the motherboard, thus coming to the last step.

    • For this step you only need to remove 3 remaining screws.

    • 2 screws on the connector.

    • There's 1 shorter screw as previously with the RF shield. This small screw keeps the voltage regulator in place.

  8. Sega Master System II Motherboard Replacement: étape 8, image 1 de 1
    • When you've disassembled everything, it should look like this.

    • Once you've got the replacement board, just follow this guide in reverse order,

Conclusion

Om het apparaat weer te monteren, volg je deze instructies in omgekeerde volgorde.

Une autre personne a terminé cette réparation.

Arjan Kuiper

Membre depuis le 04/20/16

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