There could be several reasons why some keys are not working on your Yamaha YDP 141. It is possible that there is debris or dust accumulated under the keys, causing them to stick or not function properly. Another common issue could be a loose or disconnected key sensor, which may require professional repair. Additionally, if the piano has been exposed to moisture or humidity, it could have caused damage to the internal components, leading to key malfunction. It is recommended to contact a certified technician to diagnose and fix the issue. **

Some keys on your Yamaha YDP 141 may not work due to a variety of reasons. It could be a result of dust or debris buildup under the keys, which can interfere with the key's ability to make contact with the sensor. Another possibility is that the key sensor itself may be malfunctioning, causing certain keys to not produce sound. Additionally, if the piano has been exposed to moisture or extreme temperatures, it could lead to damage in the key mechanism. It's best to have a professional technician inspect and repair the piano to address the issue. **

MIDI on a Yamaha Arius YDP 164 is a feature that allows the digital piano to communicate with other MIDI-compatible devices, such as computers, synthesizers, and music production software. This enables the piano to transmit and receive musical data, such as note information, tempo, and dynamics, allowing for recording, playback, and editing of music. MIDI on the YDP 164 also allows for connectivity with external devices for expanded musical possibilities and creative expression. **

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The Yamaha YDP 131 is a digital piano that features 88 weighted keys, providing a realistic acoustic piano feel. It has 32-note polyphony, which allows for complex musical passages without dropped notes. The piano also includes 6 different instrument voices, such as grand piano, electric piano, and harpsichord, allowing for versatile playing options. Additionally, it has built-in speakers and a headphone jack for private practice sessions. **

The Yamaha YDP 141 digital piano is no longer in production, so its price may vary depending on the seller and its condition. However, when it was available, the Yamaha YDP 141 typically ranged in price from $800 to $1000. It's always best to check with authorized Yamaha dealers or reputable online retailers for the most accurate and up-to-date pricing information. **

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My question about the Yamaha YDP 101 digital piano is: What are the key features and specifications of this model? I am also interested in knowing about the sound quality, key action, and overall performance of the YDP 101. Additionally, I would like to understand how it compares to other digital pianos in its price range and what makes it stand out in the market. **