1. Kirish
The Yamaha EZ-250i Portatone Lighted Musical Keyboard is designed to make learning and playing music accessible and enjoyable. Featuring touch-sensitive, lighted keys and the Yamaha Educational Suite, this instrument offers a comprehensive platform for musical development. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your EZ-250i keyboard.
2. Sozlash
2.1 Paketni ochish
Carefully remove all components from the packaging. The box should contain the following items:
- Yamaha EZ-250i Keyboard
- Musiqiy dam olish
- Qo'shiq kitob
- CD-ROM (containing software)
- USB kabeli
- Foydalanuvchi uchun qo'llanma
- Kafolat haqida ma'lumot
Please note that batteries and the PA-C3 power supply are not included and must be purchased separately.
2.2 Quvvatga ulanish
The EZ-250i can be powered using either an optional AC power adapter (Yamaha PA-C3 recommended) or batteries. Ensure the power source is correctly connected before use.
2.3 Kompyuterga ulanish
To connect the keyboard to a computer, use the provided USB cable. The USB port functions as a MIDI interface, eliminating the need for additional MIDI peripherals. A dedicated PC button on the keyboard allows for quick recall of MIDI settings.

Rasm 1: Yuqoridan pastga view of the Yamaha EZ-250i Portatone Lighted Musical Keyboard, showcasing its 61 keys, control panel, and integrated speakers.
3. Foydalanish bo'yicha ko'rsatmalar
3.1 Asosiy operatsiya
Press the Power button to turn the keyboard on or off. Adjust the master volume using the dedicated volume control.
3.2 Lighted Keys
The EZ-250i features lighted keys that illuminate to guide you during lessons and song playback, indicating which notes to play.
3.3 Yamaha Educational Suite (Y.E.S.2)
Y.E.S.2 offers seven types of lessons to assist in learning. Key features include:
- Vaqt rejimi: Play the melody or chord by pressing any key with the correct timing.
- Kutish rejimi: Playback pauses until you find and play the correct chord or melody note. Keys illuminate to guide you.
- Minus-One Mode: Mute the left-hand, right-hand, or both parts of a song and play along.
- Lesson Grading: Monitors your progress during practice.
- Chord Dictionary: Shows how to play various chords by lighting the appropriate keys.
3.4 Voices and Portable Grand
The keyboard includes 480 voices, encompassing orchestral sounds, synthesizer patches, 10 drum kits, and 2 sound-effects kits. It supports both General MIDI (GM) and XG Lite voices. The Portable Grand function provides a high-quality, stereo-sampled piano voice accessible via a dedicated button.
3.5 Styles (Auto-Accompaniment)
The EZ-250i features 100 built-in styles, acting as a virtual backing band. Select a style (e.g., rock, country) and play a chord or use single-finger mode; the keyboard will provide drums, bass, piano, guitar, and other instrumental parts.
3.6 Keyboard Modes: Split and Layer
The keyboard offers flexible playing modes:
- Ajratish rejimi: Divides the keyboard into two parts, allowing two different sounds simultaneously (e.g., piano on the right, bass on the left).
- Layer Mode: Combines two sounds across the entire keyboard range (e.g., piano and strings played together).

Rasm 2: Burchakli view of the Yamaha EZ-250i Portatone Lighted Musical Keyboard, highlighting its slim profile and key layout.
3.7 Qo'shiq Filer Dasturiy ta'minot
The included Song Filer software allows you to transfer General MIDI files from your computer to the keyboard's built-in flash memory via USB. Once loaded, these songs can be played back with the lighted key guidance, similar to the built-in songs.
3.8 Konami Keyboard Mania Software
This interactive software provides a game-like approach to learning music, challenging users to find notes and practice timing. Note that some users have reported compatibility issues with older operating systems like Windows XP for the bundled version of this software.
4. Xizmat ko'rsatish
To ensure the longevity and optimal performance of your Yamaha EZ-250i keyboard, follow these maintenance guidelines:
- Tozalash: Wipe the surface of the keyboard with a soft, dry cloth. For stubborn dirt, use a slightly damp mato va keyin yaxshilab quriting. Abraziv tozalash vositalaridan yoki erituvchilardan saqlaning.
- Saqlash: Store the keyboard in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If not in use for extended periods, consider covering it with a dust cover.
- Ishlov berish: Klaviaturani tashlab qo'ymang yoki kuchli zarbalarga duchor bo'lmang. Uning ustiga og'ir narsalarni qo'ymang.
5. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
If you encounter issues with your EZ-250i, refer to the following common solutions:
- Keyboard Not Powering On: Ensure the AC adapter is securely connected or that fresh batteries are installed correctly.
- Ovoz yo'q: Check the master volume level. Ensure headphones are not plugged in if you expect sound from the speakers.
- Bundled Computer Game Not Starting: If the EZ-250i is connected to the computer and the game won't start, the Yamaha USB MIDI driver may not be selected as the preferred MIDI Music Playback Device in Windows. For Windows 2000/XP, navigate to My Computer/Control Panel/Sounds & Multimedia/Audio/MIDI Music Playback and select 'Yamaha USB OUT' as the default MIDI device.
- USB ulanishi bilan bog'liq muammolar: Ensure the USB cable is properly connected. For older operating systems, verify that the correct drivers are installed. Note that 64-bit drivers may not be available for very old units.
For persistent issues, please contact Yamaha customer support or refer to the official Yamaha website for updated drivers and support resources.
6. Texnik shartlar
| Xususiyat | Spetsifikatsiya |
|---|---|
| Model nomi | EZ 250i |
| Brend | Yamaha |
| Tugmalar soni | 61 |
| Ulanish texnologiyasi | USB |
| Naushniklar Jek | 3.5 mm raz'em |
| Asbob turi | Pianino |
| Malaka darajasi | Boshlovchi |
| Maxsus xususiyat | Portativ |
| Mahsulot o'lchamlari | 41 x 17 x 7.5 dyuym |
| Element og'irligi | 0.01 untsiya |
| UPC | 086792278346 |
| Birinchi mavjud sana | 23 yil 2003 iyul |
7. Kafolat va qo'llab-quvvatlash
Warranty information for your Yamaha EZ-250i keyboard is included with the product documentation. Please refer to the provided warranty card or leaflet for details regarding coverage, terms, and conditions.
For technical support, service, or additional inquiries, please visit the official Yamaha website or contact Yamaha customer service directly. Keep your purchase receipt and product serial number handy when seeking support.





