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 on: March 25, 2017, 05:27:53 PM 
Started by ThrowingChicken - Last post by ThrowingChicken
I just used replacement CCFL, I figured why change up what was already working, rather than risk creating jitter or something like that. 

If I recall correctly, the only real nerve-racking part is when the LCD is completely removed.  I know those ribbons along the edge are delicate, and knowing makes me super nervous.  Unless you have cause to go messing around, like a dim screen, I'd leave it alone. 

 on: March 25, 2017, 02:52:23 PM 
Started by dpaint - Last post by dpaint
I have a question about minor screen scratches, hairline or smaller

I know the easiest fix it is to cover with a screen protector or a sheet of acetate.

I picked up a 21UX recently with one or two very very light scratches, the advice I was given was to fill with some acrylic solvent and squeegee the surface driving the glue into the void to avoid any bumps or nib catching. Has anyone tried this technique?

I cant find reference but have seen this discussed before online with another Cintiq/screen tablet. What type of epoxy would you use/recommend? I do not want to melt or cause any chemical reaction if my screen is not suitable, pretty sure its a glass one (2nd gen). Clear drying craft PVA glue comes to mind as a test even though it drys matte and rubbery.

Theres also lots of compounds out there for buffing out small scratches like these, I don't want to create a shadow or rainbow lens effect by buffing a small concentrated area so its not something I'd try without asking. Id take time to cover the entire screen area or make a jig to hold a small rotary polisher in place evenly.

So my plan is polish lightly and if the scratch is too large fill it. I'll probably be using a screen protector at the end of the day but I'd like to know what options are the best from other forum members that have experience with their own screen problems and fixing things like this.

Eventually, I'd love to replace the front bezel with a frame that allowed easy replacement of the glass so I could keep using it without worry, mabey 3d printing is the way to go if Wacom dont refurb the old units anymore & their stock of plastic moulds will be gone/withheld soon.

 on: March 25, 2017, 02:05:30 PM 
Started by ThrowingChicken - Last post by dpaint
Thanks man, I just picked up a 2nd Gen yesterday, no issues with the backlight, brightness is very good, I don't know if they used the same CCFLS as your 1st gen, I assume they kept the same brand in both models and have the same housing/diffuser.

I assume you red the a LED replacement strip mod posted a while back:

Is it difficult to remove the back cover & did the inner housing cause any grief? I'd probably only need to remove the back plastics in future for a clean & hoover to prevent dust buildup.

 on: March 24, 2017, 07:21:50 PM 
Started by ThrowingChicken - Last post by ThrowingChicken
I have it all on video, I just need to get it uploaded.  It is a first Gen, but I'd imagine they would be fairly similar. 

 on: March 24, 2017, 01:53:36 PM 
Started by dpaint - Last post by dpaint
Anyone here had experience using these tablets, I think they are a rebranded Bosto or Huion, talking about their 22 inch model



I considered them a while back,  I found 1 in 10 youtubers reviewing the 22hd mentioned the pen tilt/rotation support (or lack of) in passing (deal breaker for me) and not a lot of examples with long hours or constant use & how the drivers act, should be more feedback on this product during the year. Apart from that they look ok for hobbyist.

On the plus side they do use a modern IPS screen and sell a bunch of handy accessories for screen tablet users (gloves etc). I'd love to see a teardown of one of these or see some frankenstien project testing a wacom behind one of their screens to see if it jitters :-P

 on: March 24, 2017, 01:39:47 PM 
Started by dpaint - Last post by dpaint
Hi Forum, newbie here, long time reader of this forum whilst collecting parts, found a supplier/link for reference:

Supplier in the Uk called Ginsbury


lots of screen components and the driver boards, looks like they do basic chassis kits

 on: March 24, 2017, 01:29:06 PM 
Started by ThrowingChicken - Last post by dpaint
Thanks for the pics, did you get the results on video?
Also can you tell us is that a 1st or 2nd gen 21UX.

 on: March 19, 2017, 05:36:53 PM 
Started by Forestfrog - Last post by Forestfrog
So, pictures:

The LED-strip attached to the aluminum-bar:
[ Attachment: You are not allowed to view attachments ]

And from the top:
[ Attachment: You are not allowed to view attachments ]

A little test in PS:
[ Attachment: You are not allowed to view attachments ]

And a closer look:
[ Attachment: You are not allowed to view attachments ]

The small artifacts along the lines are due to me not having the screen and tablet properly aligned I guess, the angle likely is slightly off - something to pay very close attention to when building the enclosure.

 on: March 19, 2017, 01:33:56 PM 
Started by Forestfrog - Last post by Forestfrog
In the end I did almost what you said - removed the LCD glass, rotated all other layers together (to avoid dust getting in or mixing up any layers and to try and change as little as possible) and then put the LCD glass on top of them again. Great improvement in lighting - I have to do some further testing, but right now I'd say, the screen is workable this way (only regarding distribution of light).

Also I made a new heatsink for the LEDs, this time a U-shaped bar of aluminum cut to size and a different pad to stick both together. This works fine as a temporary solution, so I do not have to hurry that much when testing for fear of anything getting too hot. The final solution will be a massive bar of aluminum to get as much heat away from the LEDs as possible to not shorten their lifespan from overheating.

Also I was pleasantly surprised to find how little jitter I have right now, and with no shielding at all. I hope I am not too optimistic when I think I will try to improve this a bit more with shielding and grounding (another thing I will have to read up on here in the forum again, so I don't connect any wrong stuff) - and after that there is only left to build an enclosure (which I know will still take a lot of time, but mechanics I can handle, it is electronics that I know almost nothing of)

Pics will follow.

 on: March 14, 2017, 07:05:37 AM 
Started by Tymnus - Last post by zacpla
Thank you for your prompt answer Ertew, I will try it and I will give a feedback on this ASAP

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