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Old Mar 12, 2018 | 12:38 AM
  #76  
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now I want to search the screen for apexi avcr
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Old Mar 15, 2018 | 02:57 PM
  #77  
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Originally Posted by vkarpovv
Hi from russia!
Thanks on manual!
I bought screen on ali for test White screen

now I ordered a screen from America crystalforz,I would like to see if there is a difference, I wait when I get the answer, because the delivery is very expensive
P.S.! when buying screen, be careful : Screen Black on white - all screens in driver ks0108 *B* ,
to make it work it is necessary to solder on the resistance display itself, a lot of rework.
that display that on the photo white on black above is ks0108 * A * - I did everything on , 18 pin off, and 2&3 pin resistor in my case 380 Om
That black text/white back ground looks nice!

How is it for reading the screen in the day time?

Dale
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Old Mar 16, 2018 | 02:34 AM
  #78  
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Thumbs up

Originally Posted by DaleClark
That black text/white back ground looks nice!

How is it for reading the screen in the day time?

Dale
i can take led lamp , and give foto.
in general, it is perfectly visible
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Old Jun 10, 2018 | 07:23 AM
  #79  
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Just wanted to add another data point. I just completed this yesterday with the blue display. It wanted about 500 ohms so a 470 I had did the trick.

I wish there was a black background white text screen out there. But the blue has nice contrast for now.

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Old Jan 5, 2019 | 08:28 PM
  #80  
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Glad i found this thread instead of buying a new OLED one.
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Old Feb 10, 2019 | 06:50 AM
  #81  
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My PFC commander screen has gone out, so I'm glad the information has been provided on this forum. However, My controller is an FCC4. I'm going to go ahead and order the display and hope I'll be able to make it work with the success you guys have had,.I have a 93 MR2 Turbo. 3SGTE
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Old Mar 10, 2019 | 04:36 PM
  #82  
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does this will work
2.4" I2C IIC Serial 128X64 128*64 White OLED LCD LED Display Module for Arduino
thanks
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Old Mar 26, 2019 | 12:53 AM
  #83  
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Does anyone have a link to an oled display? Mine is now just about too dark to read. Worked fine before I parked it for winter... Now I can't read it.
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Old Mar 26, 2019 | 08:44 AM
  #84  
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From: seoul
Originally Posted by atm0706
Does anyone have a link to an oled display? Mine is now just about too dark to read. Worked fine before I parked it for winter... Now I can't read it.
It does not seem to exist yet. Dedicated OLEDs are discontinued and can not be obtained. So I have tried many things. But it does not work well I changed to another OLED and the screen was reversed.

Last edited by ds2qwd; Mar 26, 2019 at 08:46 AM.
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Old Mar 26, 2019 | 02:38 PM
  #85  
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Dang, that's a bummer. I am guessing replacing using an LCD on the OLED model will not work?

I managed to find a link to one claiming to be for the OLED model, but it is no longer available like you said...
https://www.ebay.com/itm/Apexi-Power...d=302915317135

This really sucks! I parked my car for the winter, and just pulled it out this weekend to find that my screen is now so dim you cant even read it at all. It worked perfectly before I stopped driving the car in November.
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Old Mar 27, 2019 | 02:46 PM
  #86  
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Well I believe I found the part number for the OLED display in the images located on the old Ebay listing (no longer available to purchase, I even messaged the seller and tehy dont have access to more).
RiTdisplay P19701

I still haven't been able to find any for sale, even with the part number...

Apex'i is unwilling to help so far, unless I pay them $120 and give them over a month to repair it. Pretty ridiculous considering how many people are having this issue. I even came across another a forum (not car related) with people having the exact same issues on a high end multimeter with the same display as the OLED commander. Seems it is a known bad screen.
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Old Apr 4, 2019 | 12:10 AM
  #87  
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I ended up buying an old lcd one for like 20 bucks cause the guy got an oled and just had it sitting, so im gonna have my friend change the screen to blue to match my gauges.
Not sure what ill do with my oled one, maybe just sell it for a couple bucks or give it to my friend so he can mess with it and see if he can fit another colored screen or maybe he knows where to find an oled screen for it since he is all into that.
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Old Apr 4, 2019 | 01:31 PM
  #88  
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ds2qwd
At least you got it working. If you look at the display in a mirror, you should be good to go. Sort of.

Last edited by rdgfx3; Apr 4, 2019 at 01:35 PM. Reason: Included reference for comment
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Old May 13, 2019 | 06:14 AM
  #89  
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I wasn't able to repair mine. I had a solder pad come off. So that's that. I need to find an alternative because I'll be damned if I buy another one of Apexi's (guaranteed to fail) commanders or any product of theirs.
I do appreciate the write up. Thanks!
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Old May 21, 2019 | 11:00 PM
  #90  
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Dumb question guys. Mechanically inclined nut not so much electronically.

Does the pot need to be grounded?
What wattage resistor will i need once i get it dialed in?

I tried with a 1k ohm pot both grounded and not and it changed a smidge in contrast. Ill try a higher ohm pot next. TIA.
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Old Jun 10, 2019 | 12:37 AM
  #91  
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Originally Posted by ds2qwd
It does not seem to exist yet. Dedicated OLEDs are discontinued and can not be obtained. So I have tried many things. But it does not work well I changed to another OLED and the screen was reversed.
Do you have a link to the OLED display that ended up being reversed?
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Old Jun 10, 2019 | 02:59 AM
  #92  
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From: seoul
Originally Posted by Dan Trott
Do you have a link to the OLED display that ended up being reversed?
Hi..

https://www.ebay.com/itm/Yellow-2-4-...l/302040688393

Model name : ER-OLED024-1Y
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Old Jun 17, 2019 | 10:31 PM
  #93  
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Hi guys, thanks to this thread i was able to change. the lcd on my fc commander. Contrast all is good, FCC version with no resistor. One problem though the image shown are left to right and right to left. Anyone knows what is the problem here?

Thank you.
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Old Jun 17, 2019 | 11:10 PM
  #94  
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From: seoul
Originally Posted by mmMmm
Hi guys, thanks to this thread i was able to change. the lcd on my fc commander. Contrast all is good, FCC version with no resistor. One problem though the image shown are left to right and right to left. Anyone knows what is the problem here?

Thank you.
Hi.
What is the LCD model?
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Old Jun 18, 2019 | 12:02 AM
  #95  
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Originally Posted by ds2qwd
Hi.
What is the LCD model?
Hi, i got it from aliexpress/taobao.
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Old Jun 18, 2019 | 07:58 PM
  #96  
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Originally Posted by mmMmm
Hi guys, thanks to this thread i was able to change. the lcd on my fc commander. Contrast all is good, FCC version with no resistor. One problem though the image shown are left to right and right to left. Anyone knows what is the problem here?

Thank you.
Damn thats bright lol.

Or is it the camera?
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Old Jun 19, 2019 | 08:21 PM
  #97  
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I think because of the camera, but then the lcd was bright too. i think the brightness setting was down to around 2x.
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Old Aug 14, 2019 | 08:53 PM
  #98  
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Another successful data point. Used a 330 ohm resistor and tweaked the result with the Commander. I can even see it with the sun in my face - what an improvement.

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Old Aug 21, 2019 | 02:01 AM
  #99  
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That looks pretty good!
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Old Aug 31, 2019 | 11:36 AM
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I started offering LCD replacement as a service on various facebook pages, did around 15 so far and everybody is pleased with them! Should i make a post here to offer the service? Would anybody be interested?
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