How To: Replace Logitech G25 Optical Encoder Disc (Part 2)
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- เผยแพร่เมื่อ 15 ก.พ. 2013
- www.flickr.com/photos/mikeschmeee
www.mikeschmeee.com
Installing the new brass optical encoder disc for my Logitech G25 that I purchased from cmlaserservice.com/
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G25
Logitech G25
How to install optical encoder disc
Optical Encoder Disc
How to fix your broken Logitech G25
Broken Logitech G25
Steering Wheel Problem
Logitech G25 Steering Wheel Issue
Logitech G25 Steering Wheel Calibration
Logitech G25 Steering Wheel Problem
How to fix Logitech G25 steering wheel problem
How to fix Logitech G25 steering wheel calibration
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I think I mentioned that somewhere but if I didn't thanks for pointing that out! It's true, you need to make sure the disc is a bit closer to the black sensor receiver thingy but not so close that the disc is touching the sensor.
I'm glad that the videos were helpful! Thanks!
Great video and very informative, thanks! I am still using my G25 in 2020 after some years in the dust and when I dismantled it after seeing the symptoms you describe, you helped me confirm that the crack is not normal! :-) However for what it is worth, you can replace the disk (on the G25 at least) without removing half of what you did. Just remove the top cover and unplug the wired from the right of the PCB, you can then pinch the black cover and you have enough room to get it off on the right side... I used this to reassemble it after I received the part (I dismantled it completely initially)!
Just did this myself, thanks for the vids. Works better than new. I will say though that you should mention in the comments about pushing the brass replacement closer to the black receiver. First time I put mine back together, it was too close to the light, and caused the wheel to stall during it's startup self-check (would only go 1/4 turn, tries 2 more times, gives up). And the closer you get it to the receiver, the crisper the FFB response. :)
Cheers.
Thanks for the video.
I have replaced the Encoderwheel as well, but now the G25 ist not finishing the calibration. I think it is related to the gear rack centering that you mentioned at the end. Guess I will have to fiddle arroung a bit to get it alligned.
Actually for replacing the encoder wheel, you do not need to unscrew the 4 inner bottom screws that hold the steering wheel gearbox. Then I think you wont have any problems with an not centered wheel.
Thanks for the videos around this topic, i tried gluing mine and it was a tight fit until I pushed it in and it cracked complitely :) so I have placed an order and waiting for my brass one.
Hi Mike, just recieved my brass encoder today. I owned a G25 where the plastic encoder actually broke in half. I managed to super glue it together, filed the rough edges and worked fine ever since. But I remember there was no need to strip so much of the wheel to get to the encoder like you illustrated. Anyway, I have a G27 with this darn issue now so thats why I went the brass option this time. This expensive logitech set brought down to its knees by this little crappy part, just wish they will fix it permanently.Thanks for the info, Ill be installing my new encoder tonight. Jaco
When I first replaced the encoder I had a similar issue and I quickly realized that the gear rack or whatever its called was not properly centered with the steering column gear. I took it apart again and just moved the blast plastic piece with all so its dead center with the wheel and everything was back to normal.
Also check the encoder disc's position. It can't be touching the circuit board or sensors but it has to be kind of closer to the white sensor so it can be picked up.
Hey mate, thanks you, you litterally just saved me like 200 bucks
Hello, Nice Video & helpful. May I ask you something? Do you know from Where can I buy a new main circuit board for the G25? I am looking around in all the web but nothing yet. If you will have any idea, please let me know it!! Thanks in advance:)
i've replaced the old encoder with a new metal one and its still not calibating, it does like a little movement when i plug it in and thats it . The light on the shifter keeps blinking, i've checked everything like 10 times, its all put together as it should be, so im guessing it cant read the encoder?
Make sure the new optical encoder disc is not touching either of the sensors that it sits between but make sure its a bit closer to the black sensor but once again make sure the disc is not touching the sensor at all. Also try putting the G27 back together without the top part of the case to make sure the optical disc is spinning. And also make sure that the black plastic piece that aligns with steering wheel column is dead center. If its slighting out of alignment you'll get a blinking light.
Hi, i checked Encoder in my g25 but it wasnt broken, after 1st test with out black cover it was working then i put cover and screw all thing it didint worked, again unscrew all it wasnt working, then somehow it was after usb plug working but then it stoped ? Any solution what it can be ? like when wheels move it move maybe something inside that it stopping working two engines, all buttons work on steering wheel.
Awesome video. Hopefully you can help me out with a specific question I have. Do you glue the brass wheel in place or will it stay on its own? I ask because aside from cracks I've read of wheel slippage too.
I should be getting my brass wheel any day so just wondering if it needs glue. Thanks!
No it does not need glue. It slides right on just like the original plastic disc. Make sure you space it out correctly so that it does not touch the two infrared sensors. Try to center the disc as well as possible.
Ok thanks a lot for the quick response..you mean in the center of the opening of the board that goes over top of it? Also has yours held up fine since doing this or any other issues?
Matt K I explained it near the end of the video. Go to 7:58 of the video and you will see what I'm talking about.
Hey thanks! Glad I could help
No problem, thanks for watching the video and I hope it helped. Let me know when your replacement arrives and how it turns out.
I know this is old but does anyone know what specific mouse I can use to get an encoder from
Hey man. Do you have any suggestions on how to fix lack of power/no calibration. The sequential shift light is on when I start my pc up (left side of dpad) but the power light (right side) has gone from being fully light up to a really dim faded light and the pc regonises the wheel but doesn't calibrate and there's no Force Feedback.
I'm not really too sure. Try opening the Logitech and see if there is any loose connecting somewhere? Maybe you just need to replace the A/C adapter? I haven't run into any power failure issues yet. Sorry
Hi Mike,
I just followed all your video to replace the disk, however I found out that it was not cracked. I did change the power supplie and it seems that was the problem. Now when I mounted back the wheel, I did what you showed on the video, but the wheel turns one side but stop and the green light is blinking. I try to re align the plastic bar with the steering wheel but I still have the same issue, I checked the disk to see if it rotates properly end everything seems OK. How can we make sure the aligment is OK between the steering wheel and the bar with teeths?
+Jean Pierre St Louis
Find the center of the bar with the teeth. Count the teeth if you have to and divide by two to locate the exact center.
If you removed the disc, make sure it is in the center as well so both sensors can read the discs.
I don't know what else it could be. I'm truly sorry for not being able to provide more help.
+Jean Pierre St Louis
I have the same problem. Did you fixed your wheel?
thank you so much
Bought the encoder and put it into my g27. Now the power light blinks and it won't calibrate at all... all of the buttons still work though. I have had the wheel apart before and it weas fine, so I can't figure out what is going on this time around.
Hey Mike, do you have any suggestions about the overheating problem of the logitech. Yesterday I played WRC4 for the first time and after an hour of playing i got some smoke comming from the left side of the wheel and quickly turned it off. Today I got back to rFactor and everything was working perfectly. The thing is that i feel more FFB in rFactor than in WRC4 but my wheel stays cool while playing rFactor, any thoughts about this?
I'm not too sure. Perhaps some circuitry of the electric motors within the Logitech fried? I remember I had some something similar but not exactly the same. I was playing GT5 and I smelled something burning but there was no smoke. A few weeks later the wheel no longer functioned and my optical encoder disc was cracked. Perhaps you can find some more information regarding your issue on Logitech and dedicated racing simulator gaming forums?
Sorry I couldn't be of much help.
Goodluck!
hey guys i had this problem. after the last few months i could smell smoke from my g25 which would come and go, then today it died with a glitchy alignment issue so i pulled it apart to assess the encoder, which had tiny cracks starting but no obvious problem yet so i put it back together after wriggling a few wires etc hoping for the best lol, and started it up with the case off and a puff of smoke came from inside the right motor (the non encoder one). i would say the brushes have worn. possible encoder issue aswell. i am now in the hunt for new motors and have a brass wheel ordered. thanks for the vid and the links they were both useful
I just ordered 2 weeks ago an encoder piece.. My older plastic encoder was broken
thanks for the video man. I have a question. does the encoder disc have to go on the motor in any certain way. whe taking off the circuit board, the disc was so cracked that it slipped right off. So if it lines up a certain way, i have no way of knowing now.
I'm not too sure how to explain it as I'm not good with words. It's one of those things where I would have to show you instead of explaining it in writing. I know the video is horrible quality due to an old GoPro camera and terrible angles plus you can't clearly see how the disc gets put on so I apologize for that. The brass encoder is a disc and cylinder in one piece. Make sure the cylinder goes facing down onto the silver pin and the disc will kind of go through the slot on the tiny circuit board.
I hope that makes sense and I'm sorry if it doesn't. Like I said, I'm not good at explaining things.
Ok so as long as it's in the slit of the circuit board and not touching anything its good to go right.. thanks for the reply man. Mine cracked in two places which I'm assuming is the reason my wheel doesn't work at all. It sucks the only place I can get one is from Thailand. .
Gregory Latty Yes, it should be all good as long as the disc is in between the little opening of the circuit board and not touching anything while its spinning.
Cool. Thanks man
What did you put to make the opticalencoder stay and didnt have to push inside so much like only halway
Halfway
No need to apply glue as you install the encoder wheel on the motor shaft?
Guess not
I have changed the optical encoder, but when I power up the wheel calibration doesn't work properly - 2 full rotations without the final one. The power light is blinking.
So, after few tries the calibration procedure is complete, but the wheel is slightly off-centered to the right side.
Mine calibrates correctly but goes like 30 degrees of center after playing for a bit. I'll open it up and see what's wrong, I hope the disc is still fine because 38 euros is a bit exorbitant for a little brass disc.
Thanks for the videos.
Hi, i have same problem, did u fix it ? If yes how ?
Wheel didn't work. Found out it was slighty bent. Figured that I would buy a proper fanatec wheelbase.
thank´s ... ;)
i loose a white thing going on the electronic board is that bad?
nah.. nothing serius as long as contacts are connects well without it. i got same s#%t at my shifter in some places after i moded ir to detach from stock g25 shifter body.
Tried this, but now my wheel won't calibrate at all. It tries to calibrate, gets stuck somehow, all while the lights are blinking.
me too
Hi Mike,
I've been doing all steps of your video but i didn't manage to make it work.
problem is same as the 90% of people, the wheel isn't calibrating properly, I really tried to make it dead center but I seriously didn't achieve anything at all.
Plus I would like to know where has to steering column has to point.
During today im going to upload a vid to my channel, let' see if you can help me...
Cheers
here you got the video I was meaning watch?v=Sr580rgvyhk
Carlos Martín I'm so sorry but I'm not too sure what to do. I would have to see it in person and do some trial and error like you have. Perhaps I was lucky and my logitech G25 was not that badly broken as others may have reported. Maybe something is loose or not aligned correctly or maybe the sensors are not reading the new encoder disc? I really don't know at this point. I'm so sorry I cannot help any further.
Where can i get optical wheel for normal price, not that insane price i see it at repair services?
I saw a crack on my own g25 optical wheel. And steering wheel calibrates from 2-3 attempt from tome to time. But i still can play LFS and rFactor with no problem but feels like not for so long. It gonna die soon...
SimRace camarades, help me whit some info please, i digged out google but all i found is one offer at eBay that (with shipping) costs to me as a wing of a Boeing airplane lol
Damn that industry is so overpriced! I sad for that day when i dropped to trash the whole box of old ball-mouses, about 30, and parts from different manufacturers as IBM, Genius, Logitech, A4 Tech etc.. I clearly remember that some of those whells were look like exactly like this one but maybe with different inner diameter. damn
my wheel just goes dead when it goes all the way to the left it wont come back right
Sounds like some type of alignment issue. May you please elaborate? When I took my G25 apart and didn't align the little bar that has "teeth" on it with the steering wheel column. I took it apart again and made sure that part was dead center. The wheel was working fine after that.Let me know, I'll try to help as much as I can.
same here, have you figured it out?
how much is the disc?
moistened eel I got mine for about 50 AUD ;)
thats aloot
moistened eel
Yeah, and it came in a letter. It was hilarious. Spend that much money and get a letter in return. Once I get my wheel back up and running, I think it'll be worth it.
fair enough doe, wachu play
moistened eel
Dirt 3 & Assetto Corsa. I've been playing Kerbal Space Program too but not with the wheel.