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Display replacement in synths
Old 28th October 2010
  #1
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roginator's Avatar
 
🎧 15 years
Display replacement in synths

DISPLAY REPLACEMENT IN SYNTHS!


decided to replace most of displays in my studio equipment that are dead or allmost at end of life ..
most synths is now hard to edit due ageing of backlight on displays so....

So I started with EMU - SP12

ordered display from Ebay for cca 5$ ...that displays need some work to be instaled in SP12 so here is picture how was that with old display and how it looks with New one!

Needed some small main PCB modification on SP12 control board, used 5v for led backlight from LEDs on SP12!!!
only problem is wiring!!!

on SP12 pcb its 1-14
and on Display is 14-1 so wires need too be crosed .. (or flat cable if you use it!!!)
-on pin 3 is LCD contrast and i used 10K multitrim turn pot that works just fine to adjust display !!!



Before


AFTER



Removed hi voltage from system.. made by inverter for backlight in original Display, also no more HI frequency sound from inverter!!!

Looks clean and will live a long life

display really looks like this on picture and its fun to work normal again on SP12 now !!

5$ is bargin since guys on web ask for backlight cca 25$ ..

this will fit (with some small work) SP12, SP1200, EII!!! I checked that!!! and wont fit into EMAX!!!!!!

Old 24th April 2011
  #2
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roginator's Avatar
 
🎧 15 years
OK here is another info on DISPLAYS!!!!

I found replacement displays for PPG wave, AKAI S900/950 , Roland D550, Dynacord ADD ONE ...

found this on Ebay .. and they work perfect!!
Noritake 40X2 VF Display Module CU40025SCPB-W6J | eBay

not too expensive... and perfect replacement for LCD Displays ... another dimension of work!!

NO MORE HI frequency sound from machine
NO MORE dimmed background light
NO MORE Hi power inverter that run back light !!!

Perfect replacement!

Pictures soon!!
Old 24th April 2011 | Show parent
  #3
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roginator's Avatar
 
🎧 15 years
OK instaling VFD display in my D550 ....

PAIN .. hahaha ... not an easy job.... Ill post a pictures soon...

1. open D550 and remove front panel so you can mess with display and buttons
2. unsolder old display (its not plug and play solution)
3. remove keypad PCB from front
4. drill a hole in mid of metal plate that hold Display and Keypad PCB... to make room for VFD parts !!
5. remove holder screws of original display and replace me with smaller ...you will see on picture
6. solder back new display
7. CUT Keypad PCB .. as you see on picture
8. Make support for cuted PCB on metal holder


... to be continued
Old 25th April 2011 | Show parent
  #4
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roginator's Avatar
 
🎧 15 years
Ok ....

to continue!!!

9.. screw back all parts and have fun ... (in short) heh

and it looks like this!!!!!!!!!
Attached Thumbnails
Display replacement in synths-d550-testing-new-display-.jpg   Display replacement in synths-d550-new-display-vs-old-display.jpg   Display replacement in synths-d550-new-display-mods-1.jpg   Display replacement in synths-d550-new-display-instalation.jpg   Display replacement in synths-d550-new-display-1.jpg  

Old 3rd August 2019 | Show parent
  #5
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Psychlist1972's Avatar
 
🎧 5 years
Quote:
Originally Posted by roginator ➑️
Ok ....

to continue!!!

9.. screw back all parts and have fun ... (in short) heh

and it looks like this!!!!!!!!!
Hi @ roginator

It's been 8 years or so since you did this VFD replacement on your D-550. How did it hold up? Did it cause your power supply to crap out or anything? Is it still going?

Pete
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