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| |  Sega Genesis Motherboard Replacement |
| Device | Sega Genesis |
| Difficulty | Moderate |
| Time | 15 - 20 minutes |
| Steps | 13 |
This guide is by Erik Bjornstrom 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 >>
Tools: Phillips #1 Screwdriver |
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| Step 1 | ![[step 1 photo]](3770/step01-1.jpg)
• Remove the six screws from the underside of the console with a Phillips #1 screwdriver.
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| Step 2 | ![[step 2 photo]](3770/step02-1.jpg)
• Flip the Sega Genesis upright.
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| Step 3 | ![[step 3 photo]](3770/step03-1.jpg)
• Gently lift the top casing.
• CAUTION: Note: the case will be connected to the main board by LED wires.
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| Step 4 | ![[step 4 photo]](3770/step04-1.jpg)
• Bend out the LED leads into vertical positions.
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| Step 5 | ![[step 5 photo]](3770/step05-1.jpg)
• Slide the LED wire apparatus off the lead pins.
• CAUTION: Note: observe which color wire corresponds with which length of pin.
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| Step 6 | ![[step 6 photo]](3770/step06-1.jpg)
• Separate the main board from the outer case.
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| Step 7 | ![[step 7 photo]](3770/step07-1.jpg)
• Remove single black screw from the outside of the bottom cover, using a Philips screwdriver.
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| Step 8 | ![[step 8 photo]](3770/step08-1.jpg)
• Using a Philips screwdriver, remove 11 screws securing silver casing.
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| Step 9 | ![[step 9 photo]](3770/step09-1.jpg)
• Remove silver case.
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| Step 10 | ![[step 10 photo]](3770/step10-1.jpg)
• Remove single golden screw on motherboard using Philips screwdriver.
• NOTE: Note: Push headphone jack to the side.
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| Step 11 | ![[step 11 photo]](3770/step11-1.jpg)
• Remove two black screws on the left and right sides of the cartridge slot.
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| Step 12 | ![[step 12 photo]](3770/step12-1.jpg)
• Remove motherboard.
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| Step 13 | ![[step 13 photo]](3770/step13-1.jpg)
• Re-install new motherboard.
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| Conclusion | | To reassemble your device, follow these instructions in reverse order. |
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