Analogue-sequencer

Hi,

My PLED is dead, too:(

I've had to change the location of the studio. So the P3 was not
switched on for four weeks. After this break --> PLED is black.

I've ordered a "EA Blueline LCD Display". Hope it fits.

I would really appreciate an instruction page on this.

Cheers
Mario



> > I thought i had survived the curse of the PLED but it looks like no to
> > that :(
> 
> The PLED displays are no longer available at any of the suppliers I
used -
> according to one supplier, the makers of the display material used have
> stopped producing it 'for financial reasons'.
> Maybe that means they can make more money doing colour PLEDs for MP3
> players, or maybe they had problems with high failure rates...
> 
> Anyway, much as I love the appearance of the PLED displays, they are not
> that much nicer to look at than a good LCD to be worth the trouble.
> 
> I have been using Electronic Assembly white on blue LCD modules to
replace
> PLEDs that have failed in production units under warranty.
> http://www.lcd-module.de/eng
> Part number W162-BNLW
> 
> I have also looked at using Noritake LCD-compatible VFD displays,
but these
> are expensive (£30+), use a lot more current, and also have a
gradual loss
> of brightness over time.
> 
> Fitting an LCD module to a P3 requires 10mm M3 mounting screws and 5mm
> spacers, since the LCD modules are thicker than the PLEDs.
> The LCD backlight also needs R19 on the P3 mainboard to be fitted.
> The EA modules I use need a 47R resistor there. Other makers modules may
> vary.
> 
> On P3s with a serial number earlier than roughly #1040, the function key
> switch board is too wide to allow the LCD to be fitted, so it needs
a bit of
> width removed with a file.
> I'll put together an instruction page on this soon.
> 
> You can wire the ribbon cable directly to the contacts on the LCD
module,
> and put a plug on the other end.
> I was thinking of getting some of the little PLED to IDC socket adaptor
> boards made up, since it's a pain to remove and re-use the ones
already on a
> PLED module, and they didn't have connections for the backlight anyway.
> 
> > Also is there any
> > need for heatsinks on the power transistors etc due to the increased
> > current draw of a LCD?
> 
> No, it's well within the limits of the power supply.
> Pre-production P3s used LCD modules in the first place.
> 
> Best regards,
> Colin Fraser
> Sequentix Music Systems Ltd
> http://www.sequentix.com
>