X6X-series LED backlight conversion kit howtos

X60/X61 series specific matters only.
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Re: X6X-series LED backlight conversion kit howtos

#301 Post by jaspen-meyer » Sun Mar 19, 2017 4:29 am

pkiff wrote:(or is easily cuttable with an Xacto knife)
Yes, easily cut. You may need to sandwich it between layers of stick-resistant 'paper'.
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Re: X6X-series LED backlight conversion kit howtos

#302 Post by Click This » Mon Apr 10, 2017 5:21 pm

Hi there.

I've ordered a 4th batch X62 and I intend to do an LED backlit conversion on it when I receive it. Looking at Monty's guide and the few images available online of the X62 screen assembly thus far however, I'm a bit intimidated by the whole project. Are there any specific steps or precautions needed particular to the X62?

I found the potential to accidentally invert the inverter cable a bit frightening and the provided image in the guide didn't make sense to me. Could somebody clarify on that?

Thanks.

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Re: X6X-series LED backlight conversion kit howtos

#303 Post by xiphmont » Mon Apr 10, 2017 5:24 pm

Click This wrote:Hi there.

I've ordered a 4th batch X62 and I intend to do an LED backlit conversion on it when I receive it. Looking at Monty's guide and the few images available online of the X62 screen assembly thus far however, I'm a bit intimidated by the whole project. Are there any specific steps or precautions needed particular to the X62?
Not really, it's just like an X61.
I found the potential to accidentally invert the inverter cable a bit frightening and the provided image in the guide didn't make sense to me. Could somebody clarify on that?
Although the connector is not keyed, the way the cable fits in the lid makes it ~ impossible to plug in the inverter backwards accidentally. It's only an issue on the tablets as the cable is different and easy to reverse without noticing.

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Re: X6X-series LED backlight conversion kit howtos

#304 Post by khseal » Mon Oct 09, 2017 2:49 pm

Hi!
As it has long received a test kit. It looks like my LEDs are degraded. :( Now I can get a maximum of 40-50 nits units.
Perhaps, this problem was due to overheating.

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Re: X6X-series LED backlight conversion kit howtos

#305 Post by xiphmont » Mon Oct 09, 2017 3:49 pm

khseal wrote:
Mon Oct 09, 2017 2:49 pm
Hi!
As it has long received a test kit. It looks like my LEDs are degraded. :( Now I can get a maximum of 40-50 nits units.
Perhaps, this problem was due to overheating.
I think you have a kit from before I started keeping records... which kind of kit did you have? Chinese LEDs ar Daylight?

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Re: X6X-series LED backlight conversion kit howtos

#306 Post by khseal » Mon Oct 09, 2017 4:17 pm

xiphmont wrote:
Mon Oct 09, 2017 3:49 pm
I think you have a kit from before I started keeping records... which kind of kit did you have? Chinese LEDs ar Daylight?
It was a long time ago. It yours first led strip, which you soldered.
I first got the converter, then the LED strip.
http://kodabra.ru/pictures/led.jpg

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Re: X6X-series LED backlight conversion kit howtos

#307 Post by xiphmont » Tue Oct 10, 2017 1:17 am

Oh *those* LEDs! The grey-market Chinese ones with the crazy-good-seeming measured specs and really awful-looking construction. Well... that answers how long they last, and how they got those specs :-(
I should make you a new strip with the Nichias I found shortly after. They're much nicer, and I know they'll last.

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Re: X6X-series LED backlight conversion kit howtos

#308 Post by khseal » Tue Oct 10, 2017 3:15 am

xiphmont wrote:
Tue Oct 10, 2017 1:17 am
Oh *those* LEDs! The grey-market Chinese ones with the crazy-good-seeming measured specs and really awful-looking construction. Well... that answers how long they last, and how they got those specs :-(
I should make you a new strip with the Nichias I found shortly after. They're much nicer, and I know they'll last.
Awful-looking construction is really a problem, or I have problems with my hands. I broke the two LEDs at the end. :(
LED strip smells like a toasted electrical board =)

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Re: X6X-series LED backlight conversion kit howtos

#309 Post by vavet » Tue Oct 10, 2017 3:30 am

I have an iccfl kit installed on an sxga+ couple of years ago. The brightness now is lower than on a non modified screen :(
Could you suggest a led strip that will work directly with the modified x61 board from iccfl.com ?
X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

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Re: X6X-series LED backlight conversion kit howtos

#310 Post by khseal » Tue Oct 10, 2017 4:15 am

My LCD dark from factory.
Two years ago
http://kodabra.ru/pictures/ok.png
After calibration, this is the normal brightness for my display. :?
Calibrated the display yesterday.
http://kodabra.ru/pictures/no_ok.png

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Re: X6X-series LED backlight conversion kit howtos

#311 Post by xiphmont » Tue Oct 10, 2017 1:37 pm

khseal wrote:
Tue Oct 10, 2017 4:15 am
My LCD dark from factory.
Two years ago
http://kodabra.ru/pictures/ok.png
After calibration, this is the normal brightness for my display. :?
Calibrated the display yesterday.
http://kodabra.ru/pictures/no_ok.png
khseal: Worry not, you are one of my heroic alpha testers, and I will send you a fully updated kit with the latest [much nicer] parts. Lifetime warranty and all that :-)
That said-- I am in a work crunch through October... it might take a bit for me to get new kits packaged up. But you're definitely getting a replacement ASAP.

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Re: X6X-series LED backlight conversion kit howtos

#312 Post by khseal » Tue Oct 10, 2017 1:55 pm

xiphmont wrote:
Tue Oct 10, 2017 1:37 pm
khseal: Worry not, you are one of my heroic alpha testers, and I will send you a fully updated kit with the latest [much nicer] parts. Lifetime warranty and all that :-)
That said-- I am in a work crunch through October... it might take a bit for me to get new kits packaged up. But you're definitely getting a replacement ASAP.
Very cool, when I get I'll write how it works and what the brightness turned out with my dark display.

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Re: X6X-series LED backlight conversion kit howtos

#313 Post by xiphmont » Tue Oct 17, 2017 5:11 pm

vavet wrote:
Tue Oct 10, 2017 3:30 am
I have an iccfl kit installed on an sxga+ couple of years ago. The brightness now is lower than on a non modified screen :(
Could you suggest a led strip that will work directly with the modified x61 board from iccfl.com ?
Vavet,

iccfl has sold a bunch of completely different kits. Do you have a pic of your driver (or could you pick out the one it looks most like from https://people.xiph.org/~xiphmont/think ... nese.shtml ? Along with that, what sense resistors are on your driver (the biggest rectangular resistors).

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Re: X6X-series LED backlight conversion kit howtos

#314 Post by zzuper » Wed Oct 18, 2017 10:42 am

Forbidden
You don't have permission to access /~xiphmont/thinkpad/led-fancyboost.shtml on this server.
Server unable to read htaccess file, denying access to be safe

On the website.. : E Any mirrors for the instructions?

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Re: X6X-series LED backlight conversion kit howtos

#315 Post by xiphmont » Wed Oct 18, 2017 11:25 am

Oh, oops.

I decided to step back away from social media in general and took down a bunch of pages. I was a bit overzealous; let me get those fixed.

Edit: Should be back now. Let me know if I missed anything.

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Re: X6X-series LED backlight conversion kit howtos

#316 Post by vavet » Thu Oct 19, 2017 2:41 pm

xiphmont wrote:
iccfl has sold a bunch of completely different kits. Do you have a pic of your driver (or could you pick out the one it looks most like from https://people.xiph.org/~xiphmont/think ... nese.shtml ? Along with that, what sense resistors are on your driver (the biggest rectangular resistors).
Just disassembled the lid to check It's definitely a fancyboost. Exactly as the one on your page.




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X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

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Re: X6X-series LED backlight conversion kit howtos

#317 Post by xiphmont » Wed Oct 25, 2017 3:12 am

vavet wrote:
Thu Oct 19, 2017 2:41 pm
xiphmont wrote:
iccfl has sold a bunch of completely different kits. Do you have a pic of your driver (or could you pick out the one it looks most like from https://people.xiph.org/~xiphmont/think ... nese.shtml ? Along with that, what sense resistors are on your driver (the biggest rectangular resistors).
Just disassembled the lid to check It's definitely a fancyboost. Exactly as the one on your page.
Oh dang, those are harder. You need a ~30V LED strip and I can't make those (well I can, but I have no PCBs to do so). Does it use LEDs that fire up or sideways?

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Re: X6X-series LED backlight conversion kit howtos

#318 Post by vavet » Wed Oct 25, 2017 3:50 am

I think its up
X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

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Re: X6X-series LED backlight conversion kit howtos

#319 Post by vavet » Thu Oct 26, 2017 2:23 am

xiphmont wrote:
Wed Oct 25, 2017 3:12 am
vavet wrote:
Thu Oct 19, 2017 2:41 pm


Just disassembled the lid to check It's definitely a fancyboost. Exactly as the one on your page.
Oh dang, those are harder. You need a ~30V LED strip and I can't make those (well I can, but I have no PCBs to do so). Does it use LEDs that fire up or sideways?
what do you think about these?
https://www.aliexpress.com/item/Free-sh ... 0cdb8d196f

it works in a similar range so the led strinp might be a direct replacement
X61 (T9300, 8gb RAM, 120gb SSD, LED SXGA+, integrated webcam, invisible touchpad, modded battery etc.)

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Re: X6X-series LED backlight conversion kit howtos

#320 Post by xiphmont » Wed Nov 29, 2017 12:49 am

vavet wrote:
Thu Oct 26, 2017 2:23 am
xiphmont wrote:
Wed Oct 25, 2017 3:12 am


Oh dang, those are harder. You need a ~30V LED strip and I can't make those (well I can, but I have no PCBs to do so). Does it use LEDs that fire up or sideways?
what do you think about these?
https://www.aliexpress.com/item/Free-sh ... 0cdb8d196f

it works in a similar range so the led strinp might be a direct replacement
...maybe? The pics are of a buck controller though, not a boost. So it's anyone's guess.

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Re: X6X-series LED backlight conversion kit howtos

#321 Post by fourthree » Sat Dec 02, 2017 5:57 am

Is it practical to do a LED mod for the HV150UX1 panel? Or is it better to buy
an HV150UX2 and just do the inverter mod?

Is a LED mod worth it for the 1920x1200 screens out there, too?

Money isn't really an issue, I'm looking mainly at technical specifications.
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Re: X6X-series LED backlight conversion kit howtos

#322 Post by RealBlackStuff » Sat Dec 02, 2017 8:46 am

You could look for a HV150UX2 with a cracked screen and transfer its LED-strip into another LCD.
You'd need to cut a small corner (with LED-control) off the green PCB on the back of the screen and also use the flat cable from that PCB to the LEDs.
And you still need to do the inverter-mod, but no need to change the LCD cable.
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