I also own a 01/w Pro X and am currently facing the same issues. Some of the tact switches are broken, the screen's backlight isn't working, and the original LCD panel has issues as well. Since I want to fix it myself, I've been searching online for repair information. I'm really glad I found your video-it was very professional and clearly explained. In the whole video, I think the hardest part would be recalibrating the contrast voltage, which is beyond what I can DIY... I found that there are pre-made LED backlight LCD panels available online. I'm wondering if I would also need to follow the same steps as you did, like modifying the power supply to provide 5V. I'll keep looking into it. Wow! You even have the original floppy disks! That's amazing! Lastly, thank you so much for the video! It has given me more confidence to repair my 01/w!
Thanks to you, I was able to successfully install the latest LCD display on my 01/wFD. As advised, the two resistors were regular resistors, not SMD, so there was no problem. This allows us to take advantage of contrast. thank you. I also referred to the power supply board.
Hi Reinard, and thanks a lot for making such an informative video. I am also upgrading/reparing my Korg 01 W FD. I have bought the ROM chips as mine is ROM 28 also bought a replacement USB drive to replace the floppy drive. I have bought a new backlight rather than replace the whole display. I also plan to fix the plastic screen infront of the the display by applying hydrogen peroxide as it is yellowing and I want it to go back to being clear. I want to know where to source the felt that you have used. I would also love it if you can tell me what grease to use on the keybed. Thanks a million!😃
Hi - I don't think the plastic cover in front of the screen is yellowed due to sun+time, I think it is just a yellow tint. It is a terrible thing for Korg to do - should have been clear plastic, not smoky yellow!!
Hello Reinhard! Thank you for this informative video. What is the ideal value for R_LCD if I don’t want to change the original values of the opamp resistors? Your help is greatly appreciated.
I finished the resto-mod and I really like the results. I didn’t have a 450 ohm resistor on hand, so I put a 470R instead. With this value there’s no noticeable change in contrast from level 5 to 8, but it doesn’t matter since I quite like it when set to 1. Thank you again, Reinard!
Hi - where you have replaced the screen and added a 2200K resistor to the pins on it, is there an easier way to get the right contrast (roughly level 4) by changing that value, instead of messing with the mainboard adding resistors? I'm about to do this in the next week or so! Cheers.
Hi Reinard, can you please tell me where to get the replacement felt and grease for the keybed? I have been scouring the web but cannot find the right one. Any help would be greatly appreciated! Thanks a lot!
Ask a local yamaha Instruments dealer for part nr. VQ175900 it is the same felt as used in the Morif for which yamaha should still be able to supply replacement felts
Hi Mr Reinard , can you show me wich voltages you have on transformer secondary side, primary is 120 V , but on the schematics someone forgot to add secondary side notation Blue, blue ,Red, black, red wires is unknown voltages, Could you help me with that, please?
Hello, I just replaced the display on my Korg 01/WFD but when I turn it on the Korg logo appears and then the screen stays blue and there is no image. The keyboard works fine but there is no image.
@@reinardsynth6581 The screen was bought on Aliexpress, but it is the same one in the video, I checked the contrast but it only dims the light, I also clarify that I installed the screen before watching this video, so I will follow the steps you indicate, and I wanted to know if you have any recommendations? or following the steps in the video could it work?
I have a korg 01wproX, the A flat key has no sound from the middle forward, sometimes it sounds, other times it doesn't, do you have any idea what the fault could be?
Intermittently working key is a clear indication of dirty key contact: clean the rubber dome contacts and circuit board contacts underneath the offending keys with pure alcohol (see my “top 8 synth faults” video -top 2 entry at the end) for details on how to do that)
HI I need a motherboard for my Korg 01W FD by any chance do you have a working one to sell me? and do you ship to mexico? the card is the klm-1528. Thank you
Does the value change to the resistors apply if you have replaced the display with an OLED? The contrast seems to make no difference since I replaced the display
OLED displays do not have contrast voltage inputs; only LCD displays have. Have not seen 240x64 OLED displays, don’t think they exist. Different LCD make and models have slightly different contrast voltage ranges so it depends… values given here work for the BuyDisplay 240x64 LCD displays…
RAM ICs warm to the touch: is ok, are heavily used… audio stage: hmmm… perhaps double check the PSU output on ripple and voltage… also: do you hear strange noise on the audio outputs?
@@reinardsynth6581 Thanks, power supply voltages all good, not checked for ripple but planning on doing that. It's actually stuck on boot screen, was just a quick look on the FLir, work in progress🙂
@@reinardsynth6581 no, I'm sure it's ok because occasionally on switch on the welcome screen appears, however it never goes past that, screen is clear and back light reasonable. I'm going to recap the c94,95 etc and change the fusible resistors since they're discoloured. The caps leaked around that part so I'll tidy that area up with mek.
@@reinardsynth6581 Hi Mr Reinard, can you show me wich voltages you have on transformer secondary side on power supply, primary is 120 V , but on the schematics someone forgot to add secondary side notation Blue, blue ,Red, black, red wires is unknown voltages, Could you help me with that, please? I need to know the value voltages to feed power supply, my transformer is damaged😢
![BLACK BAG - Official Trailer [HD] - Only in Theaters March 14](http://i.ytimg.com/vi/Du0Xp8WX_7I/mqdefault.jpg)
Impressive mastery and professionalism, nice from you to share !
Fantastic work. Huge thanks for the part numbers! Will be using this as a reference to fix up my own 01/W.
I also own a 01/w Pro X and am currently facing the same issues. Some of the tact switches are broken, the screen's backlight isn't working, and the original LCD panel has issues as well. Since I want to fix it myself, I've been searching online for repair information. I'm really glad I found your video-it was very professional and clearly explained.
In the whole video, I think the hardest part would be recalibrating the contrast voltage, which is beyond what I can DIY... I found that there are pre-made LED backlight LCD panels available online. I'm wondering if I would also need to follow the same steps as you did, like modifying the power supply to provide 5V. I'll keep looking into it.
Wow! You even have the original floppy disks! That's amazing!
Lastly, thank you so much for the video! It has given me more confidence to repair my 01/w!
Thanks to you, I was able to successfully install the latest LCD display on my 01/wFD. As advised, the two resistors were regular resistors, not SMD, so there was no problem. This allows us to take advantage of contrast. thank you. I also referred to the power supply board.
Hi, did you follow the steps in the video? I changed it and it only gives me a blue glow.
Nice video!
Fantastic. Perfect.👏
oh dear this doesn't look to simple, need to do a similar job on my 01w. thanks for this uploadnsuper helpful. that's a great job you did
Hi Reinard, and thanks a lot for making such an informative video.
I am also upgrading/reparing my Korg 01 W FD. I have bought the ROM chips as mine is ROM 28 also bought a replacement USB drive to replace the floppy drive. I have bought a new backlight rather than replace the whole display. I also plan to fix the plastic screen infront of the the display by applying hydrogen peroxide as it is yellowing and I want it to go back to being clear.
I want to know where to source the felt that you have used. I would also love it if you can tell me what grease to use on the keybed.
Thanks a million!😃
Hi - I don't think the plastic cover in front of the screen is yellowed due to sun+time, I think it is just a yellow tint. It is a terrible thing for Korg to do - should have been clear plastic, not smoky yellow!!
I want to upgrade or replace exactly what you did in your video ..
Hello Reinhard! Thank you for this informative video. What is the ideal value for R_LCD if I don’t want to change the original values of the opamp resistors? Your help is greatly appreciated.
@@radocool1 450ohms, according to my calculations…
@ Thank you very much! I’m about to service my old 01\WFD and I’m going to upgrade it with the same screen you used in the video.
I finished the resto-mod and I really like the results. I didn’t have a 450 ohm resistor on hand, so I put a 470R instead. With this value there’s no noticeable change in contrast from level 5 to 8, but it doesn’t matter since I quite like it when set to 1. Thank you again, Reinard!
Great job ! What resistor should have been used in the display(instead of changing cms resistor on the main board)? Thank you.
about 450 Ohm according to my calculations, living the SMDs resistors (R149 and R147) on the main board untouched.
@@reinardsynth6581 thank you so much for your helpful answer !
@@reinardsynth6581 il works very well. Thank you again !
2MB of the base 6MB PCM is 8-bit depth.
Master when a fault persists indicating battery low on a korg 01w despite having replaced a new battery. Which ram memory should be replaced?
Very rare keyboard 01/W PRO
This display was top
Hi - where you have replaced the screen and added a 2200K resistor to the pins on it, is there an easier way to get the right contrast (roughly level 4) by changing that value, instead of messing with the mainboard adding resistors? I'm about to do this in the next week or so! Cheers.
Hi Reinard, can you please tell me where to get the replacement felt and grease for the keybed? I have been scouring the web but cannot find the right one. Any help would be greatly appreciated! Thanks a lot!
Ask a local yamaha Instruments dealer for part nr. VQ175900 it is the same felt as used in the Morif for which yamaha should still be able to supply replacement felts
Hi Mr Reinard , can you show me wich voltages you have on transformer secondary side, primary is 120 V , but on the schematics someone forgot to add secondary side notation Blue, blue ,Red, black, red wires is unknown voltages, Could you help me with that, please?
Sorry, can’t help with that: do not have a 01/w in my posession anymore
Ultimate
Hello, I just replaced the display on my Korg 01/WFD but when I turn it on the Korg logo appears and then the screen stays blue and there is no image. The keyboard works fine but there is no image.
Contrast… would check that. Contrast voltage should be around -6/-7 Volt. Which display exactly did you use?
@@reinardsynth6581 The screen was bought on Aliexpress, but it is the same one in the video, I checked the contrast but it only dims the light, I also clarify that I installed the screen before watching this video, so I will follow the steps you indicate, and I wanted to know if you have any recommendations? or following the steps in the video could it work?
Can I ask you about my 01/Wf issue? Thanks
I have a korg 01wproX, the A flat key has no sound from the middle forward, sometimes it sounds, other times it doesn't, do you have any idea what the fault could be?
Intermittently working key is a clear indication of dirty key contact: clean the rubber dome contacts and circuit board contacts underneath the offending keys with pure alcohol (see my “top 8 synth faults” video -top 2 entry at the end) for details on how to do that)
thanks for the video,
Could you tell me the compatible rate of the LCD display for the Korg 01/WFD?
Thanks in advance
compatible rate? you mean price? about $25-28 plus shipping, see buydisplay link…
God-like skeeelz yo
HI
I need a motherboard for my Korg 01W FD by any chance do you have a working one to sell me? and do you ship to mexico? the card is the klm-1528. Thank you
Just bought user O1/Wfd, needs similar work. Are you in the USA?
nope, Austria…
@@reinardsynth6581En México cómo puedo conseguir un display para mi KORG 01/W. Te agradezco de antemano. God Bless You
@@IsraelCastillo-t6l www.buydisplay.com/catalogsearch/result/?q=24064
@@reinardsynth6581 Muchas gracias.
@@reinardsynth6581 You march in and annex KORG
Does the value change to the resistors apply if you have replaced the display with an OLED?
The contrast seems to make no difference since I replaced the display
OLED displays do not have contrast voltage inputs; only LCD displays have. Have not seen 240x64 OLED displays, don’t think they exist. Different LCD make and models have slightly different contrast voltage ranges so it depends… values given here work for the BuyDisplay 240x64 LCD displays…
On the 01W, is it normal for the ram ICs 18-22 to be warm to the touch, also the audio stage ICs 43-46 and surrounding area are even hotter?
RAM ICs warm to the touch: is ok, are heavily used… audio stage: hmmm… perhaps double check the PSU output on ripple and voltage… also: do you hear strange noise on the audio outputs?
@@reinardsynth6581 Thanks, power supply voltages all good, not checked for ripple but planning on doing that. It's actually stuck on boot screen, was just a quick look on the FLir, work in progress🙂
Quick Q: have you replaced the LCD display with a new one?
@@reinardsynth6581 no, I'm sure it's ok because occasionally on switch on the welcome screen appears, however it never goes past that, screen is clear and back light reasonable. I'm going to recap the c94,95 etc and change the fusible resistors since they're discoloured. The caps leaked around that part so I'll tidy that area up with mek.
Pleez out put ac v from transformar
@@mohammadawwad6598 ehh…. what?
@@reinardsynth6581 Hi Mr Reinard, can you show me wich voltages you have on transformer secondary side on power supply, primary is 120 V , but on the schematics someone forgot to add secondary side notation Blue, blue ,Red, black, red wires is unknown voltages, Could you help me with that, please? I need to know the value voltages to feed power supply, my transformer is damaged😢
I notice you grounded your person. So I guess GLM (Grounded Lives Matter)