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Author Topic: Intuos5+15inch retina panel  (Read 12795 times)
bumhee34
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« on: August 26, 2014, 01:09:53 AM »

Dear all.
I start my build. This build has been planned since last year, but i've been soooo busy.
Suddenly, I wanna start the build, anyway i have all stuffs now.

This build might be similar with "Aerendraca" build, but there are differences.

The specifications are :
 - Intuos 5 (PTH-850) : it has touch capability, but will not use it.
 - LCD : a1398 retina screen (forgot the model name)
 - LCD controller : from http://dp2mbpr.rozsnyo.com/
 - Backlight unit : this is main difference from "Aerendraca" build. I will use the original diffuser, reflective sheet, and other sheets.

As you know, the screen has backlight unit combined together with top cover of MacBook.
So it is difficult to buy each stuff seperately, but they are in EBAY. lucky!

The problem is that I must make own backlight unit. "Aerendraca" uses another backlight unit of 15.4inch LCD.
However, in my opinion, it would be better to use original BLU parts to have best screen quality.

Anyway, yesterday I broke the broken top cover which I got from ebay in cheap price.
With broken top cover, I will measure dimensions for my own BLU.


Pretty apple logo Smiley


You know what? it is really difficult to disassemble it. We only have to crack it down..
it has sticky glue on all area. I got scratch on my finger during this work T^T.


After several minutes..
When pulling out the diffuser, it was broken Sad but it is ok since I already bought it seperately.


Luckly I got reflective sheet that is what i need actually. I do not know but the ebay seller, who is selling diffuser and 4 sheets between diffuser and lcd, does not sell the reflective sheet. Anyway I got it yesterday.


I will measure the dimensions such as height width of all stuffs to make BLU.
Maybe BLU will be made of arcryl or ABS.
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Aerendraca
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« Reply #1 on: August 26, 2014, 06:28:17 AM »

Believe me I get the not having the time thing. This should be interesting, who will complete their build first? Probably you, I seem to have no free time recently.   Cheesy

If you're last build was anything to go by this should be another great thread to follow.
« Last Edit: August 26, 2014, 06:35:21 AM by Aerendraca » Logged
bumhee34
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« Reply #2 on: September 12, 2014, 01:29:18 AM »

Minor update:

After measuring dimensions, I've designed my own backlight unit with AutoCAD.

So instead of the original MacBook cover, new backlight unit will be made of ABS plate using CNC machine.

Luckly, a private company wants to work it for me, and it costs around 30$. Very cheap Smiley

They told me that they will start to make it in next weekend, since the CNC machine is running now for other stuffs.

Anyway, after I get it, I will update this post again.
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bumhee34
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« Reply #3 on: September 19, 2014, 03:54:41 AM »

Update on DIY backlight unit.

Finally, I got the DIY backlight unit case. It is made of ABS and milled(?) by CNC.

Here are several shots.

As a test, I put every sheets on the DIY BLU.


You can see there are a diffuser and polarized sheets.
The LED backlight has not been installed yet. I need to remove sticky tape on LED backlight.
Anywa, you can see "tool-path" by CNC machine. But don't worry, it is flat enought Smiley


This shows how to hold sheets.


Shows the beautiful edges.


And then, the LCD can be installed like this.
I will glue the LCD on the ABS unit with strong double-sided tape after I install LED and others.


Now, I am working on extending eDP cable.
I will not extend the cable itself, but I will make a extension tool.
The basic idea is this : Female eDP connector is soldered on PCB board, and make two sets of it.
Then, the boards are connected by normal wires with sodering, so basically I need two eDP cables.
Luckly, i have three.
Looking at the picture, u can undersatnd what i mean.
[ Attachment: You are not allowed to view attachments ]
Anyway, I am not good at sodering (the pin pitch is 0.4 mm and 30 pins!!), so my friend will help for that work.
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bumhee34
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« Reply #4 on: September 23, 2014, 02:04:34 AM »

Update. I've made display module.

Again, this is backlit case made of ABS.


Trying to pull off LED backlit from broken MacBook Air.


Red tape is strong double-sided tape, and it will glue LED backlit on ABS.


After installing LED, reflective sheet and broken diffuser are installed for test.


After then, dirty four polarized sheets are installed. They are taken from broken MacBook Air.


Installing LCD.


This shows how to connect LED to the LCD. It's cute.


Test shot. Very dirty, but works!!


Native resolution is 2880x1800, wow!


And then, I disassembled all parts and replaced all to new one.
Actually new one is not new. The seller is also taking parts from MacBook Air, but the seller keep the status good (relatively).
The ebay seller ID is "virtanen13". As far as i know, he is the only seller in the world who sells reflective sheet, diffuser, and polarized sheets for a1398 screen.
If somebody knows a guy who sells "real new" parts, tell me please.
It is not perfect, the reflective sheet has some imperfect points, leading to white spots and shading.
If the seller had worked in clean room, it would be really perfect.
Though it is not perfect, it is very satisfactory.
Here are several shots, all picture has 2880x1800 resolution.





It is really nice anyway. Now, I am waiting for extending eDP cable by my friend.
See u next time!
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Aerendraca
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« Reply #5 on: September 23, 2014, 06:18:17 AM »

Great progress, looks like you did a good job on the backlight. Out of curiosity what controller board did you use?
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bumhee34
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« Reply #6 on: September 23, 2014, 08:11:14 AM »

Great progress, looks like you did a good job on the backlight. Out of curiosity what controller board did you use?
The only controller (as far as i know) by "http://www.rozsnyo.com/".
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Aerendraca
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« Reply #7 on: September 23, 2014, 10:10:54 AM »

And does your Rozsnyo controller work ok at full brightness? I think I'm having problems with mine but just wanted to check that it wasn't just a quirk of an early release board.
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bumhee34
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« Reply #8 on: September 24, 2014, 02:49:28 AM »

And does your Rozsnyo controller work ok at full brightness? I think I'm having problems with mine but just wanted to check that it wasn't just a quirk of an early release board.
Not sure, I haven't tested on brightness. I just ran on defualt setting, and looked no problem at all.
Maybe I can check it later.
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bumhee34
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« Reply #9 on: October 16, 2014, 05:50:56 AM »

Update on cutting the intuos 5 top cover


For several weeks, I've tried to find a nice way to cut the intuos 5 top cover.

Unfortunately, I couldn't access to CNC machine in cheap price, so i decided to cut it by myself.

Before to cut, I have removed touch panel on intous 5 since I will not use that.


Then,I prepared 90 degree ruler, so i can prevent to cut wrong side.


Be patient when cutting... Use arcryl knife, and try to apply constant pressure.


Tada! I safely remove the top cover Yeah!


It's very satisfactory.


Now, I am waiting for long eDP cable from China, it will take more than 1 week. See you soon!
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Aerendraca
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« Reply #10 on: October 16, 2014, 08:19:52 AM »

Very nice job cutting that out!! Looks good and clean.  Cool
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bumhee34
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« Reply #11 on: October 27, 2014, 03:22:40 AM »

Minor Update :

One company in China, they made a 20cm eDP cable for me.
http://www.alibaba.com/product-detail/IPEX-20472-030T-HIROSE-DF19-30S_60046304780.html
This company is very kind, but a little cost for manufacturing.
It took me 144 USD for two of 20cm eDP cables.

Here ie the picture they sent today. I hope I could get this in this weekend.
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Aerendraca
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« Reply #12 on: October 27, 2014, 08:50:55 AM »

Very nice! What a great length. I'm excited for you to see this working with a longer cable.
« Last Edit: October 27, 2014, 08:53:12 AM by Aerendraca » Logged
bumhee34
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« Reply #13 on: October 27, 2014, 10:55:21 AM »

Very nice! What a great length. I'm excited for you to see this working with a longer cable.
This is like a retina DIY competition between you and me Smiley

I am very excited for you to have a gergeous DIY case.

Who will gonna make first? haha.
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Aerendraca
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« Reply #14 on: October 27, 2014, 12:18:45 PM »

I suppose it is a bit of a competition, although you will definitely finish your build before me as your history of progress is rapid! and, well, I'm yet to finish a build. Smiley
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