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post #3511 of 3519 (permalink) Old 03-12-2018, 11:35 AM
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Hi, guys.
I got an Achieva Shimian QH300 IPSMS Monitor. Unfortunately without power supply. I was wondering can anyone tell me something about the power supply pinouts? For example each legs how many volts and wich legs are + or -. I didn't find any specific dc adapter for this monitor.

Last edited by tremors111; 03-12-2018 at 11:48 AM.
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post #3512 of 3519 (permalink) Old 04-02-2018, 10:17 PM
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Can someone confirm that the following does work with Shimian 27" with a graphic card like Vega 56 which has DP.
It is quite expensive .. so I want to make sure that it works.
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post #3513 of 3519 (permalink) Old 06-15-2018, 07:10 PM
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any idea where to buy replacement PCB for Achieva Shemien 27" Korean monitor
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post #3514 of 3519 (permalink) Old 06-15-2018, 07:49 PM
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Quote: Originally Posted by ryteng View Post
I've got Achieva Shimian QH2700-IPSMS-DP (Display port version), looking for original PCB too. My PCB just burn by someone inserted the power upside down...
Anyone with this model upgraded to OC overlord PCB and wanted to sell theirs?
Board pic as below..
I too fried my PCB due to loose power connector any help on PCB replacement
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post #3515 of 3519 (permalink) Old 12-28-2018, 02:27 PM
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having issues with my shimian monitor, I DO NOT want to replace it because its soo good. perhaps someone here can provide guidance what is likely the issue.

-Monitor will randomly start blinking on and off (same with the blue light on and off)
unplugging power supply will allow it to work for awhile.

- have tried lowering brightness
- have tried clean install on nvidia drivers (though havent tried another card)
- its set to 60hz
- I did try keeping it unplugged overnight but issue continued.
- changed cables

Interestingly enough, it was happening alot like every couple of hours, so I unhooked everything and put it away for almost a month. this allowed it to have no issues for a full month...
noticed its back yesterday, though doesnt seem to be quite as often. (happened 3 times so far)
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post #3516 of 3519 (permalink) Old 12-31-2018, 09:42 AM
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I would definitely try a new card!

Doesn't need to be anything expensive, as long it has Dual-DVI ...

On the other hand it could be a loose cable inside? , I believe back in the early pages of this thread there were instructions about fixing that ...

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post #3517 of 3519 (permalink) Old 05-23-2019, 06:59 PM
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Quote: Originally Posted by cam51037 View Post
I'm having an issue with my Shimian 1440p monitor, wondering if anyone has experienced this before?
Basically, when I turn on the monitor, the light in the bottom right corner of the monitor turns from red to blue, as it should, and then the backlight comes on. Even though the monitor is plugged into my computer, no video is displayed. I've been able to temporarily fix the problem by unplugging the DVI cable from the computer and plug it back in - after trying this a few dozen times eventually the monitor begins to display again. It seems that once the monitor is outputting video it has no issues until I turn the monitor off again. Then I have to unplug and plug the DVI cable back in a few dozen times to have any video display.
Some things I've tried:
  • Using a different DVI cable - no effect
  • Using the current DVI cable with a different monitor - no issues
  • Checking monitor power and video connections to ensure they're solid and that they aren't dusty
I did some reading and wasn't able to find anybody with this issue on a Shimian monitor, but I found a thread where it was happening to somebody with another Asian 1440p display. It sounded like the problem was a dislodged ribbon cable in the monitor itself, but I just want to see if anyone in the OCN community has experienced this before I start tearing this monitor apart. Also, the monitor is out of warranty (just my luck ).
I have had my refurb QH270 for at least 3 years now. It's been awesome, but it's now doing exactly what you described. I've seen a few posts but no solutions. Did you ever figure it out?

Does anyone know if we can swap driver boards and possibly even upgrade this panel to displayport from Dual-DVI?
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post #3518 of 3519 (permalink) Old 06-02-2019, 05:01 PM
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Hi, does anyone happen to have a pinout for the power supply? I got one for really cheap but I'm not really willing to dish out 50 bucks for a cable when I'm not sure if it works/ just make my own. Thank you
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post #3519 of 3519 (permalink) Old 06-04-2019, 05:35 PM
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Quote: Originally Posted by nontheistzero View Post
I have had my refurb QH270 for at least 3 years now. It's been awesome, but it's now doing exactly what you described. I've seen a few posts but no solutions. Did you ever figure it out?

Does anyone know if we can swap driver boards and possibly even upgrade this panel to displayport from Dual-DVI?
I didn't ever figure out a solution unfortunately. Had to buy a new monitor instead.

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