CHAPTER 4 Adjustment

8)If the machine reference value is not within the tolerance range (26 to 74%) perform the following steps.

WARNING

The Z-axis will slide down when the Z-axis brake is released, causing a hazard- ous situation.

Press the emergency stop button and prop up the Z-axis with a support stand before releasing the brake.

9)With the robot controller's power ON, apply emergency stop on the control- ler and release the Z-axis brakes. Refer to the "YAMAHA Robot Controller owner's manual" for details on emergency stop, releasing emergency stop, releasing the Z-axis brakes and turning the brakes ON.

10)Loosen the set screw (two screws on upper side) fixing the ball screw in Fig. 4-11 (b), and change the phase of the ball screw in respect to the sleeve as shown below.

When machine reference5%:

Turn ball screw 180° clockwise looking from above

When 5% < machine reference < 26%:

Turn ball screw 90° clockwise looking from above

When 74% < machine reference < 90%:

Turn ball screw 90° counterclockwise looking from above

When 90%machine reference:

Turn ball screw 180° counterclockwise looking from above

11)Tighten the set screw and fix the ball screw. The tightening torque is 17kgfcm (1.7Nm).

12)Exit the safeguard enclosure.

13)Confirm that there no workers in the safeguard enclosure, and then release the controller emergency stop state.

14)After completing absolute reset for the Z-axis, check to see if the machine reference value is within the tolerance range for absolute reset.

15)Turn the controller power OFF.

16)Install the Y-axis arm upper cover.

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Yamaha YK180X, YK120X owner manual Adjustment

YK120X, YK180X specifications

The Yamaha YK180X and YK120X are two of the latest offerings from Yamaha in the sphere of high-performance synthesizers, designed to cater to both novice and professional musicians. These models are part of Yamaha's commitment to innovation, combining advanced technologies with user-friendly interfaces to create instruments that inspire creativity.

The YK180X stands out with its 88 weighted keys that emulate the feel of an acoustic piano. This feature is particularly beneficial for pianists who seek a realistic playing experience. In contrast, the YK120X offers 61 semi-weighted keys, making it more portable while still providing a satisfying touch that balances playability and responsiveness. Both models incorporate Yamaha's renowned Graded Hammer Standard action, ensuring that the playing experience aligns with traditional piano dynamics.

One of the key technological advancements in both models is the integrated Pure CF Sound Engine. This technology captures the nuances of Yamaha's acclaimed concert grand pianos, delivering rich and authentic sound across a wide range of musical styles. Additionally, the synthesis engines in these synths allow for an expansive palette of sounds, from lush strings and bold brass to rich synthetic tones, enabling musicians to explore various genres effortlessly.

Another impressive feature of the YK180X and YK120X is the extensive library of built-in voices and styles. The YK180X boasts over 600 voices and 200 styles, while the YK120X comes with a diverse selection of over 400 voices and 150 styles, providing users with an array of options to enhance their performance. Both models also include a user-friendly interface with intuitive navigation, allowing for quick access to features and customization.

Connectivity is a critical aspect, and both synthesizers include USB to Host ports for easy integration with computers and mobile devices. With MIDI in and out options, musicians can connect to other musical gear, making these models versatile companions for stage performances and studio recordings alike.

In terms of additional features, the YK180X and YK120X come equipped with a built-in metronome and transpose functions, essential tools for practicing and performing. Moreover, the onboard recording capabilities allow musicians to capture their ideas and compositions quickly and efficiently.

Overall, the Yamaha YK180X and YK120X are powerful and versatile synthesizers that cater to a wide range of musical needs, from home practice to professional settings. With their superior sound quality, realistic playability, and innovative features, they represent an excellent choice for musicians looking to elevate their musical journey.