Back to the List. This morning I have the same problem with Yamaha p-45. NOTE: Do not turn off the power while Clr is showing on the display. C and F# pairs on the 5th, 6th and 7th octaves and the last C8 key. While holding the rightmost white key on the keyboard (C7) along with the three rightmost black keys (F#6, G#6, and A#6), turn the power switch on. Be patient it takes a little while to find the file. Terms — Cleaning the piano would improve playability of piano. Hi, my home C seems to be misaligned. It will turn on and a few seconds later, fade out and go silent. Push down, then back on the key that you want to remove, with the key stop removed, to unhook it from the cut-out in the key frame. I have cleaned the boards recently but some notes does not play. When you have the manual go to p.18 to view the dis-assembly instructions. The latter won't sound. By power feed I mean in my example the power feed is +3.3V DC thru a 10K Ohm resistor and then to the keyboard key multiple wiring. Either no signal transmitted or no signal registered. Thanks! This issue can be caused by deteriorating rubber pads under the keys or dirty contacts. The circuit diagrams in the service manual should be of great help in finding the problem. PapaDobson. Hosea Kenji Baldeviso, March 17 by Could this be the problem, November 10 by This happens in all the B&C and F&F# on the keyboard. How do I fix this? All the diodes on the keyboard showed the same output. My thinking is that since it is only happening on two key combinations, perhaps they are sharing the same power feed and that there may be a problem with it. Any other fix perhaps? Hello, the C and F# keys on my Yamaha P45 digital piano stopped working this morning. "Clr" will appear on the display. If you play fast trills or scale, if u hit one first, the next key, either B or C wont sound. The alternate functions of these keys didn’t work either. Luigge Lena. Here’s the service manual for a Yamaha P45B, hopefully it is close enough to a P45 to be of some help. I had to take mine to a service center and they apparently replaced one of the boards to fix it. (this is the A below middle C- C3) The volume level does not change at all. Then I tried reversing the 27 pin flex ribbon cable that connects the keyboard to the PCD, same result. Here's the scenario: - both keys played together, respond to velocity. on a psr e403 there are only 12 separate power feeds for all the keys. So these keystrokes are not getting registered. The answer in this link may be of some help. It may be that for your particular keys that the voltage is slightly lower for whatever reason so that it does not react properly. The high performance electronics repair kit. My Yamaha Portafone keyboard has just stopped working. But it’s still easy on the eyes with a simple and ‘get to the point’ exterior.The frame is made of plastic with a matte finish.As for color, it’s the classic black and white. My only other suggestion is that you purchase the Service manual (as it is not available for free on the internet.) Accessibility. Push the key down that you want to remove and unhook it from the frame. 06/19/2019 by One solution may be to clean the contacts for the keys using alcohol wipes or to replace the rubber pads. Accessibility. Only one after or before gives me the problem. One is to use canned air to blow between the keys. Hosea Kenji Baldeviso. Use cleaner and rag to clean the entire bedding of key. I didn’t find any dust on the contacts. September 12 by If I may add, when pressed together, they both sound. Thanks in advance! I have a yamaha p45 and all D keys work fine but if I play D and E they won't make any sound. Last Update: 4/4/2017. 1) Press and hold the [GRAND PIANO/FUNCTION] button, then press one of the following keys: 2) For Fixed- No touch sensitivity: Press the A2 key. Repair manuals for different types of musical instruments, including guitars and keyboards. Starting with the power off: While holding the rightmost white key on the keyboard (C7) along with the three rightmost black keys (F#6, G#6, and A#6), turn the … Have you tried to reset the keyboard to its' factory default condition to see if this resolves the problem for you. © 2020 iFixit — Licensed under Creative Commons — Privacy — C and F# pairs on the 5th, 6th and 7th octaves and the last C8 key. Then I tried reversing the 27 pin flex ribbon cable that connects the keyboard to the PCD, same result. © 2020 iFixit — Licensed under Creative Commons — Privacy — Any other combination of keys will make the sound, its just that specific combination and it happens for all octaves. maybe there is a problem with some componnent that have to be changed, September 12 by Omg! Nery Gavarrete, Hi i have a gl 444 keyboard when i plug the adapter the speaker has sounds like vibrating sounds but when i play the keyboard it doesn't have sounds can you help me pls i haven't played it for 8 years. In order to prevent from other keys to come out, you may need to slide in a thin object down towards the key to separate it. You have to time it properly to work. Goldine Silva. I tried reversing the ribbon cable which connects the higher octaves to the middle board, same result. Step 5 Clean the key-bed with some gentle cleaners and clean rags. This does not work for this issue at all. But take note, in combination with other notes all is fine. The problem still persists. Certain keys combinations are 'connected together' as far as the 'feed'power is concerned only separated at the decoder stage to individual inputs. I tried this and reset the factory settings. I' ll post a video to make it clearer.. 11/22/2016 by

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