Yamaha Vintage DX7 Special Edition ROM Manuel d'installation - Page 6

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Yamaha Vintage DX7 Special Edition ROM Manuel d'installation

Place the SuperMAX+ board gently on the DX7 main board so that the 28 pins that form a DIP

package align with the vacated IC14 spot. The 8 pins along the edge should align with IC20. Do

not press the board in place yet. You can use a small mirror to check the pin alignment.

Once you are happy that all the pins are aligning with the desired locations, firmly and evenly

press the SuperMAX+ board in place. Make a visual check to see that the board is flush with the

sockets. For Rev B it is recommended to press on the two white rectangles.

Using a screwdriver, carefully tighten the original main board screw through the SuperMAX+

board into the nylon standoff. Do NOT force it or over tighten as this can not only strip the

standoff, but it can cause the SuperMAX+ board to torque and change position. It should

be tight enough so that it cannot work lose. Double check the pins.

Reassembly

Carefully reassemble the DX7 in the reverse order, taking care to replace the correct screws in

the various locations. If you disconnected the green keybed ground strap wire don't forget to

screw it back in.

When you reinstall the silver metal keyboard rail, make sure it does not contact any

SuperMAX+ components or pins. The silver metal rail should just clear the SuperMAX+ when

the rail is tightened in place. The silicon or hot glue seen on the SuperMAX+ board helps keep

the board and rail apart somewhat, but check with a mirror and flashlight to be sure.

DX7 SuperMAX+

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Install