Yamaha SuperMAX+ User Manual

Music Technologies Group
Yamaha DX7 SuperMAX+
Installation Guide
Installation Guide Version 2.20
November 2018
1: Introduction
The SuperMAX+ is a very powerful do-it-yourself option that provides increased memory and
greater control of the DX7.
While the installation is fairly simple, it still requires patience and general electronics
knowledge. We accept no responsibility for the work you perform on your DX7. Read over
the following installation description and if you feel you are not capable of the work
required, turn the project over to a qualified technician.
All Lithium battery repairs must be done by a qualified technician due to the explosive
nature of the CR2032 battery.
Precautions!
High Voltage Safety Warning
Turn the DX7 power switch OFF and disconnect the AC power cable before opening the DX7.
ESD Precautions and Proper Handling Procedures
You should observe standard static-safe handling behavior when working with sensitive electronic
equipment such as synthesizers:

Yamaha SuperMAX+ Specifications

General

Brand	Yamaha
Model	SuperMAX+
Category	Other
Language	English

Summary

Introduction

Safety Precautions

Essential warnings for high voltage and electrostatic discharge (ESD) before and during installation.

Tools Required

Condition of DX7

Installation

Open the DX7

Instructions for removing the front panel screws to access the DX7's interior.

Remove the Keybed & Keyboard Rail

Remove EPROM and SRAM ICs

Install the SuperMAX+ Board

Identify SuperMAX+ Board Version

Distinguish between Rev A and Rev B versions based on pin configurations.

Reassembly

Test

Check SuperMAX+ Version

Verify the installed SuperMAX+ version and patch bank status.

Battery Holder Option