Repair & Schematics
Sega Multi Mega

Disassembly (Sega Multi Mega)

5min

Start by removing the single black Philips screws from the right side.

Right Side Screws
Right Side Screws
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Remove the Philips screw on the left side that is between the LINE OUT and VOLUME text.

The other screw to the top left is the hinge for the CD lid and doesn't need removing.

Left Side Screws
Left Side Screws
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Remove the Philips screw no the back.

Rear Screw
Rear Screw
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Remove the 4 long Philips screws from the bottom.

Bottom Screws
Bottom Screws
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The bottom lid now lifts off.

Then the copper shield peels back.

Copper Shield
Copper Shield
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Remove the 2 gold Philips screws from the rear PCB.

Rear PCB Screws
Rear PCB Screws
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Lift out the motherboard from the rear left side (so rear right when looking at it upside down) as it is now held in place by a connector with long pins.

You will also have to pry out the front controller connectors carefully by moving the motherboard to the rear as you lift it out.

Remove Motherboard
Remove Motherboard
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Disconnect the battery connector to free the motherboard.

Battery Connector
Battery Connector
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Remove the 7 screws from the metal shield, leaving the one in the recess on the far left.

Screw to leave
Screw to leave
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Metal Shield
Metal Shield
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If you break this connection here, it is a 1nF capacitor use for capacitive coupling of the ground shields. It is not needed.

Capacitive Ground
Capacitive Ground
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Finally, lift out the top PCB and laser assembly in one. Lifting from the side opposite the Phones connector works best.

Top PCB
Top PCB
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Disassembled
Disassembled
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