[sdiy] EL backlight inverter Akai S3000XL

[Adam (synthDIY)]

Benjamin thanks for the tip

Those Adafruit strips look great! 
but I don’t think they will be thin enough or flexible enough to simply drop in to replace the EL strip unfortunately

I’m investigating the expensive option

cheers
A

> On 18 Jan 2023, at 9:41 pm, Benjamin Tremblay <btremblay at me.com> wrote:
> 
> If it’s not a tight fit you have some options. If you must do surgery on tge LCD sandwich itself prepare your scalpel for a nail-biter of a procedure. El inverters generally don’t use much power, but cheap ones make a horrible high pitched noise.
> If at all possible seek either a complete new backlit lcd module using modern bright leds or buy a ready-made backlight strip like those sold at Adafruit.  
> Esthetically the old EL backlights have a delicious radium glow but the brightness of LEDs is always welcome. Of course LEDs are much lower current-consuming than EL.
> 
> 
> 
> Benjamin Tremblay
> 
>> On Jan 18, 2023, at 4:47 AM, Adam (synthDIY) <synthdiy at adambaby.com> wrote:
>> 
>> Thanks Alain!
>> 
>> I’d heard of this crazy mod but didn’t know the details
>> 
>> From that blog I’m still not quite sure - it looks/sounds like a bit of a bodge! I’m not on FB so I can’t read those posts.
>> 
>> And Per, yes, you’re right, my old eyes have been straining with the EL display (and it was only replaced a few months ago!) so maybe I need something brighter. I’ve been in touch w that ebay seller.
>> 
>> A
>> 
>> 
>> 
>>> On 18 Jan 2023, at 7:14 pm, alain nguyen <encapsul at gmail.com> wrote:
>>> 
>>> Hey there,
>>> 
>>> There's also the classic ultra DIY solution with an iPhone backlight and a step-up converter (removing the old noisy inverter)
>>> . I've done this on an S3000XL and a S1000, it's working great !
>>> 
>>> Original post : https://inkoovintagecomputing.wordpress.com/2019/01/10/akai-s1100-diy-led-backlight/?fbclid=IwAR2Nh3GdSbR4eaA8IP67NoBK8-y-W1OIIeohlOnztg8JD_j5RSTiK-KPTh8
>>> 
>>> We'll also find some great info on this FB group : https://www.facebook.com/groups/music.gear.display.retrofits
>>> 
>>> Cheers.
>>> 
>>> Alain
>>> 
>>> On Wed, Jan 18, 2023 at 10:00 AM Adam (synthDIY) <synthdiy at adambaby.com <mailto:synthdiy at adambaby.com>> wrote:
>>>> Thanks Per
>>>> 
>>>> I was vaguely aware of various OLED options but I wonder how the current draw compares, and whether it would unduly stress this old power supply?
>>>> 
>>>> I understand the original inverter circuit has fairly low power requirements
>>>> 
>>>> cheers
>>>> Adam
>>>> 
>>>>> On 18 Jan 2023, at 5:24 pm, Per Mattsson <per at permattsson.se <mailto:per at permattsson.se>> wrote:
>>>>> 
>>>>> Hi, 
>>>>> 
>>>>> 
>>>>> Today I would go with a fresh LED-display instead of getting an new inverter.
>>>>> 
>>>>> I replaced the backlight for a S1000 and regret that. It works but a LED is so much brighter.
>>>>> 
>>>>> Here’s a used one on eBay:
>>>>> 
>>>>> <s-l400.jpg>
>>>>> Akai sampler inverter, s900 s1100 s1000 s3000xl s3000
>>>>> ebay.com
>>>>>  <https://www.ebay.com/itm/284647593716>Akai sampler inverter, s900 s1100 s1000 s3000xl s3000 <https://www.ebay.com/itm/284647593716>
>>>>> ebay.com <https://www.ebay.com/itm/284647593716>
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> _________________
>>>>> 
>>>>> Per Mattsson
>>>>> 
>>>>>> 18 jan. 2023 kl. 08:10 skrev Adam (synthDIY) <synthdiy at adambaby.com <mailto:synthdiy at adambaby.com>>:
>>>>>> 
>>>>>> The inverter that powers the EL strip behind the LCD display in my sampler has just died. 
>>>>>> I know nothing about these things.
>>>>>> Is there a critical spec I should heed, or do they all do the same job pretty much?
>>>>>> Supply looks to be 5 volts.
>>>>>> 
>>>>>> cheers
>>>>>> Adam
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>>>>> 
>>>> 
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>>> 
>>> 
>>> -- 
>>> Alain Nguyen
>> 
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