Yamaha PSR-640 Owner's Manual

Yamaha PSR-640 Keyboard manual cover
Pages 188
Year 1999
Language(s)
English en

Yamaha PSR-640 Keyboard Specification

The Yamaha PSR-640 Keyboard is a versatile and feature-rich instrument designed for both amateur and professional musicians. It boasts a 61-key touch-responsive keyboard, offering dynamic control and an authentic playing experience. The PSR-640 is equipped with Yamaha's Advanced Wave Memory (AWM) technology, delivering rich and realistic sound quality across its extensive library of 700 voices, including a wide range of instruments and sound effects. Its 16-track sequencer allows for complex musical compositions, making it ideal for music production and live performances.

The keyboard features 128-note polyphony, ensuring seamless playback and layering of sounds without note dropouts. It includes a comprehensive set of 200 built-in styles, providing automatic accompaniment that adapts to various musical genres. The onboard effects processor offers a variety of digital effects, such as reverb, chorus, and EQ, enhancing the sonic palette available to users. Connectivity options include MIDI In/Out ports for integration with other MIDI devices, and a sustain pedal jack for expressive performance.

The Yamaha PSR-640 also features a large, backlit LCD screen, facilitating easy navigation and configuration of settings. It supports floppy disk storage, allowing users to save and load custom settings, compositions, and additional styles. The built-in speakers deliver clear and powerful audio, suitable for both practice and small venue performances. With its combination of advanced features, high-quality sound, and user-friendly interface, the Yamaha PSR-640 Keyboard is a comprehensive tool for musicians seeking both creativity and performance flexibility.

Yamaha PSR-640 Keyboard F.A.Q.

How do I reset the Yamaha PSR-640 to its factory settings?

To reset the Yamaha PSR-640 to factory settings, turn off the keyboard. Then, press and hold the highest white key while turning the keyboard back on. This will restore the original factory settings.

How can I record a song on the Yamaha PSR-640?

To record a song, press the 'RECORD' button, select a track using the 'TRACK' buttons, and start playing. When finished, press 'STOP'. You can playback the recording by pressing 'PLAY'.

What should I do if some keys on my Yamaha PSR-640 are not working?

If some keys are not working, check for dust or debris under the keys. If cleaning doesn't help, it might be a hardware issue, and you should contact a professional technician for repairs.

How do I transpose the Yamaha PSR-640 keyboard?

Press the 'FUNCTION' button, use the 'CATEGORY' buttons to navigate to 'TRANSPOSE', and use the 'DATA ENTRY' dial to adjust to the desired pitch.

Can I connect my Yamaha PSR-640 to a computer for MIDI use?

Yes, you can connect the Yamaha PSR-640 to a computer using a MIDI interface. Connect the MIDI OUT from the keyboard to the MIDI IN on the interface, and vice versa for MIDI IN. Install any necessary drivers and use MIDI-compatible software to interact with the keyboard.

How do I change the voice on my Yamaha PSR-640?

To change the voice, press the 'VOICE' button, then use the numeric keypad or the 'DATA ENTRY' dial to select the desired voice number.

What is the best way to clean my Yamaha PSR-640?

Use a soft, dry cloth to wipe the keyboard. Avoid using water or cleaning agents. For stubborn spots, slightly dampen the cloth with water. Make sure the keyboard is turned off and unplugged during cleaning.

How can I use the dual voice feature on the Yamaha PSR-640?

Press the 'DUAL' button to enable the dual voice feature. Use the 'VOICE' button to select the main voice and the dual voice. Adjust the balance between the two voices through the 'FUNCTION' menu.

What should I do if the Yamaha PSR-640 is not producing any sound?

Ensure the keyboard's volume is turned up and that no headphones are plugged in. Check the power supply and connections. If the issue persists, perform a factory reset or consult a technician.

How do I use the accompaniment feature on the Yamaha PSR-640?

Press the 'STYLE' button, select a style using the numeric keypad or 'DATA ENTRY' dial, and press 'ACMP'. Play a chord in the left-hand section to start the accompaniment.