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DX7 MiniMAX 

Page 6 of 6 

Install v2.10 

 

www.musictechnologiesgroup.com 

Preliminary 

Test 

 
Plug the AC cable in and turn it on. After a few moments, you should get a greeting message like:  
 

*  Welcome to  * 
* MiniMAX v2.1 * 

 

Initialization 

 
Since technically the battery has been removed, you may find some of the standard DX7 function 
settings have been scrambled.  Follow the steps below  to put the DX7 into a known good state 
before loading your patches back in. 
 
Function  settings  on  number 

8

  have  been  enhanced  and  new  functions 

12

  and 

13

  have  been 

added. 
 
 

1.  Press 

MEMORY PROTECT / INTERNAL

 then 

OFF

 

Internal memory protect is now off. 

 

2.  Press 

FUNCTION

 and then button 

12.

 Use the Data Slider to set the 

FUNCTION CONTROL 

Memory Bank

 to 

1

 (there are only 4 RAM banks, numbered 1 to 4, regardless of what the 

initial LCD value says).  
 

3.  Press  button 

13

  and  set  the 

FUNCTION  CONTROL MIDI OUT=

  channel  to  your  preferred 

value from 1 to 16 (usually 1). 
 

4.  Press  button 

8

  repeatedly  until  you  see 

FUNCTION  CONTROL  MIDI  IN=

  and  set  this 

channel to your preferred value (1 to 16 or All which is OMNI mode). 

 
Check/set  the  standard  DX7 Function  settings  versus  your  preferences.    You  should be  able to 
load  some  patches  now,  but  it  is  still  possible  that  some  setting  prevents  the  sound  from  being 
heard. 
 
The patch data memory will certainly be garbled. Use the standard DX7 panel operations to load 
the current data bank with your patches. The 

“Yamaha DX7 MiniMAX User Guide”

 will explain 

how to select memory banks as well as how to use the other features of this expansion. 
 
 
 

Enjoy your updated DX7! 

 

See the MTG web site for more great vintage synth and drum machine goodies. 

Содержание DX7 MiniMAX

Страница 1: ... synthesizers o Avoid carpets in cool dry areas o Dissipate static electricity before handling any system components by touching a grounded metal object o If possible use anti static devices such as wrist straps and floor mats o Take care when installing the board Prevent damage to the connectors by aligning connector pins before you apply pressure A damaged pin can render the board unusable and c...

Страница 2: ...Move the Keybed Remove the Keyboard Rail It can be difficult to see the delicate pins when installing the DX7 MiniMAX board By moving the keybed the chassis with the keys and removing the silver keyboard rail you will have better sight lines and freedom of movement when installing the DX7 MiniMAX board Remove the 4 large external screws from the underside of the keyboard along the front edge The p...

Страница 3: ...now have excellent access to the DX7 main board If you do remove the keybed you may find it easier to remove the small yellow cable and large flat grayish cable at the main board end rather than from the keybed You will also need to unclip two small cables on the left end mod wheel and pitch bend There may also be wire tires and or cable fasteners to deal with Remove the EPROM and SRAM ICs The nex...

Страница 4: ... of these photos near IC23 Install the DX7 MiniMAX Printed Circuit Board Hand tighten the supplied nylon standoff into the screw position near IC23 Tighten it well by hand but there is generally no need to use a tool Do not over tighten or strip the threads Remove the DX7 MiniMAX board from the anti static foam Inspect the bottom of the board to make sure none of the pins have been damaged You sho...

Страница 5: ...venly press the DX7 MiniMAX board in place Make a visual check to see that the board is flush with the sockets Using a screwdriver carefully tighten the original main board screw through the DX7 MiniMAX board into the nylon standoff Again do not force it or over tighten as this can not only strip the standoff but it can cause the DX7MiniMAX board to change position It should be tight enough so tha...

Страница 6: ...to 1 there are only 4 RAM banks numbered 1 to 4 regardless of what the initial LCD value says 3 Press button 13 and set the FUNCTION CONTROL MIDI OUT channel to your preferred value from 1 to 16 usually 1 4 Press button 8 repeatedly until you see FUNCTION CONTROL MIDI IN and set this channel to your preferred value 1 to 16 or All which is OMNI mode Check set the standard DX7 Function settings vers...

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