[sdiy] Yamaha DX100 LCD mods

[vitreousflux]

Thanks very much guys, I am gonna look into both this and the manual
hack-n-slap LED option.

Rob

----- Original Message -----
From: "jiles" <jb at dezzanet.net.au>
To: "Rop Pierce" <vitreousflux at wwnet.net>
Sent: Thursday, June 07, 2001 10:48 PM
Subject: Re: [sdiy] Yamaha DX100 LCD mods


> hi, i know little about electronic but i did ask about this on another
list
> and got this response.  when i get it done i'll just be getting a
> technician to do it and hand them a print out of it.  it was a very
> detailed well considered response!
>
> cheers!
>
> ---------------------------------------------------------------------
> ---------------------------------------------------------------------
> From: "Atom 'Smasher'" <atom at suspicious.org>
> seriously though, i've done backlights to a bunch of gear, and the dx-100
> is the easiest peice to mod with a backlight (still not a beginner
> project, though).
>
> the LCD of the dx-100 can be replaced with an LED backlit, 16 character,
> 1 line, display. the seiko L1671B1J000 is available from mouser (part
> #628-L1671B1J) and works fine. it's about $15.
>
> required:
> soldering iron
> pliers
> wire
> current regulating resistor
> volt-meter
>
> difficulty:
> moderatly advanced
>
> just open up the dx100, remove the old display. the physical spec of the
> replacement is different than the original, which is screwed into the
> case. you will have to remove the molded-in-standoffs with a pliers for
> the new display to fit. the new display will be held in by glue. (don't
> laugh)
> http://www.shoegoo.co.jp/en/
> the shoe-goo is perfect for the job. i do not recomend any other adhesive
> for this. i'm not big on product endorsements, but this really is THE
> right stuff for the job.
>
> check the orientation of the cable that connects to the LCD board... it
> was a few years ago that i did this... i think the cable is 'flipped' from
> what it is on the original board, but i'm not sure. i do remember that the
> order of the wires is the same (ie: start at one end, and go to the other
> end).
>
> the LED is powered seperatly from the rest of the circuit. take a
> volt-meter and probe around the area of the power supply... look for a
> good place to tap off 9V (close to the regulator). wire this to the LED
> (don't forget the current-limiting resistor!)
>
> check that everything works (adjust the contrast before panicking), then
> drop some glue around it, and stick it to the front of the case (make sure
> it's right-side-up). let the new display sit on top of the case (the front
> of the case facing down) overnight for the glue to fully set-up. it will
> look like crap if you put it together, and then the display shifts around.
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> if you want this done, but can't do it yourself, bring these instructions
> to a COMPETENT synth repair person. most TV-VCR repair shops will laugh if
> you ask to have something modified, but synth-techs tend to be more
> understanding, and more adventerous.
>
> total bench time should be less than 2 hours.
>
> personally, i don't recomend armon from rogue (nyc). he's proven himself
> to be a 'sheister' to me.
>
> ...atom
>
> ---------------------------------------------------------------------
> ---------------------------------------------------------------------
>
> At 10:40 2001.06.07 -0400, you wrote:
> >Looking to mod my DX100 soon, I want to add a backlight to the LCD. I
have
> >looked around for a 1x16 backlit lcd.
> >
> >Anyone done this? is is more feasible to simply mount fresnel lens LED's
> >on the edge of the existing LCD?
> >
> >Thanks
> >
> >
> >Rob
> >
> >
> >
>
>