[Official] The Qnix/X-Star 1440p Monitor Club - Page 2612 - Overclock.net - An Overclocking Community

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[Official] The Qnix/X-Star 1440p Monitor Club

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post #26111 of 26174 (permalink) Old 12-17-2018, 07:18 AM
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Hey!

I bought my XStar DP2710 in 2014, and it finally gave out today. Turned the screen on this morning, it switched off after a few seconds and started smelling like burned plastic.

Long story short after quickly unplugging it and opening the monitor up it seems the culprit is a MOSFET (or at least it's the one part I could identify as overheating, smelling burnt and visibly leaking). Now I know close to nothing about electronics, but considering the MOSFET in question is not a tiny part I thought I could resolder a new one without too much trouble. My two options are then to either buy a new MOSFET, or buy a new board.

The mosfet's model is "540N 3811G" and the board model is "DPL-2560LS REV.01". by DisplayLand. I've looked around but I can't find either on sale and the board manufacturer's website is blank (http://displayland.co).

I'm a bit stuck right now and any idea/suggestion on how to approach this would be extremely appreciated!

Thanks! (attached a picture of the transistor in question)
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post #26112 of 26174 (permalink) Old 12-29-2018, 03:11 PM
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Is anyone having issues with custom resolution automatically changing?

Went into control panel and checked the resolution and saw it was set back to 60hz and not 100hz as I set, Thats twice Ive had to do it now.

I think it may be something to do with the lenovo VR headset and windows 10. Untill windows 1809 windows couldnt deal with multple displays with different refresh rates.
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post #26113 of 26174 (permalink) Old 01-03-2019, 01:09 AM
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Quote: Originally Posted by cafeoh View Post
The mosfet's model is "540N 3811G" and the board model is "DPL-2560LS REV.01". by DisplayLand.
Good luck finding a replacement board at this point - all searches I did came up blank. However, I did do quite a bit of searching about the mosfet and a suitable replacement - as it turned out my issue wasn't the mosfet but I can at least share my findings:

The model used is apparantly a chinese clone of the rf540nspbf, https://www.infineon.com/dgdl/irf540...5355e3a72819a3 so you might be able to chase up one of those as a like for like but I had trouble with that too. After some research I settled on getting an IRFR3410PBF, http://www.farnell.com/datasheets/696686.pdf but no guarantees on this one - if anyone else with more electrical engineering knowledge can chime in on this it would be most welcome!
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post #26114 of 26174 (permalink) Old 01-03-2019, 01:14 AM
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Quote: Originally Posted by blackdragonbird View Post
Can anyone point me to any tutorial in how fix the light bleeding in an old X-Star DP2710? All the ones I found are too old and can't have the photos anymore, because they got deleted in the hosting site.
Guess I could PM you this but I thought I'd post it here for posterity.

https://www.youtube.com/playlist?lis...DJv3Wj2E4MT_iE
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post #26115 of 26174 (permalink) Old 01-03-2019, 07:52 AM
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Took me over a month to sell my monitor. Local pickup deal on eBay for $100.

It was a good run. I think I had had that one since 2013.

Black Box
(11 items)
CPU
R5 2600X
Motherboard
Asus Strix B450-I
GPU
EVGA GTX 1060 6GB
RAM
GSkill 16gb 3200c14 Flare
Hard Drive
500gb SSD
Power Supply
EVGA G1+ 850
Cooling
Macho Rev B
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NZXT H200 Black
Monitor
LG 32GK650F-B 1440p 144hz
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post #26116 of 26174 (permalink) Old 01-03-2019, 08:10 PM
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I'm upgrading to the LG 27" 4K 60hz display. Had this monitor since 2014 and it's time to move on.

For anyone still interested in this monitor, the big weaknesses are

1) Lack of sRGB color gamut: mine is only 92% with reds being weak.
2) Response time: No OD means that despite being able to overclock to ~100hz, the imagine will have more ghosting than a 60hz panel.
3) DVI-DL is dead.
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post #26117 of 26174 (permalink) Old 01-03-2019, 08:11 PM
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I'm upgrading to the LG 27" 4K 60hz display. Had this monitor since 2014 and it's time to move on.

For anyone still interested in this monitor, the big weaknesses are

1) Lack of sRGB color gamut: mine is only 92% with reds being weak.
2) Response time: No OD means that despite being able to overclock to ~100hz, the imagine will have more ghosting than a 60hz panel.
3
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post #26118 of 26174 (permalink) Old 01-03-2019, 08:59 PM
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I just handed my old QNIX down to my 7yo son. He is pushing it with a 1050ti, does very well in games like cuphead and minecraft.

Upgraded me to a Viotek GN34C. 100hz 3440x1440P panel.

My Qnix was a frankenstein project from boards and panels from people here and elsewhere who's monitors had failed.

Going to miss that board glued to panel glued onto a universal vesa mount.

Mine specifically could do 119~120hz with minimal artifacts. Gonna miss her, but I am enjoying this freesync setup now.

LittleBitties
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CPU
ryzen 7 2700
Motherboard
ASRock X470 Gaming-ITX
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ASRock Phantom Gaming X Radeon RX Vega 64
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Ripjaws V 2x8GB 3333MHz
Hard Drive
Intel 660p M.2 512GB
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EVGA SUPERNOVA G2 1000
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Corsair H100i v2
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Viotek GN34C
Keyboard
Corsair K75 LUX
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Corsair M65 RGB
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Corsair "speedmat?"
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AKG K240 ( 1987 )
CPU
AMD Athlon 950
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ASRock AB350M
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Zotac GTX 1050Ti OC
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GeIL EVO SPEAR 2x4GB DDR4-2400
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HP EX900 500GB M.2
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Corsair CX450M
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QNIX 2710
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post #26119 of 26174 (permalink) Old 01-07-2019, 05:14 PM
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I'm sure someone has mentioned this at some point in this thread but I figured I'd point it out anyway since I just noticed it today. Since the VESA mounting holes aren't centered vertically (only horizontally), the monitor doesn't properly balance itself when mounted in a VESA-mount with a swivel feature that can't be locked. I had to put a small cardboard box under the unbalanced side so that it can rest on the table. I really wish that they would've thought about that when they designed the monitor chassi (whoever designed this generic chassi).

On the upside, it looks much better in portrait mode than other monitors I've had mounted like that.
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post #26120 of 26174 (permalink) Old 01-08-2019, 10:34 AM
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I ended up selling both my Qnixs since the 2080Tis have no dvi ports and OC is not possible.

rip

i9 9900k 5.3ghz - evga z390 dark - corsair ax1200i
16 GB g.skill tridentZ 4600 CL 17 - 2080Ti RTX 2160/8000
960PRO 512GB NVMe - 960EVO 512GB NVMe - SanDisk Ultra II 960GB - WD caviar black 3x 4tb
Lian Li O11 - ASUS ROG PG279Q Gsync @ 165hz - 2x Qnix2710 @ 120hz - klipsch promedia 2.1

http://beta.speedtest.net/result/6850164303.png
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