مقدمة
This manual provides essential information for the proper setup, operation, and maintenance of your Denon DP-450USB Semi-Automatic Analog Turntable. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
1. الإعداد
1.1 فك العبوة وتحديد المكونات
أزل جميع المكونات من العبوة بعناية. تأكد من وجود جميع العناصر المذكورة أدناه:
- وحدة القرص الدوار
- غطاء الغبار
- كابل يو اس بي
- محول الطاقة
- طبق كبير
- Drive Belt (pre-installed or separate)
- ثقل موازن
- Headshell with Cartridge (pre-mounted)
- محول 45 RPM
1.2 التنسيب
Place the turntable on a stable, level surface away from direct sunlight, heat sources, and strong vibrations. Ensure adequate ventilation around the unit.
1.3 تركيب القرص والحزام
- Carefully place the platter onto the center spindle.
- Locate the drive belt (if not pre-installed) and stretch it around the inner rim of the platter and over the motor pulley.
1.4 إعداد ذراع التسجيل والخرطوشة
The DP-450USB typically comes with a pre-mounted cartridge. Follow these steps for tonearm balancing:
- قم بإزالة واقي القلم.
- حرر ذراع التسجيل من مكانه.
- Adjust the counterweight by rotating it until the tonearm is balanced and floats horizontally.
- Set the tracking force according to the cartridge manufacturer's specifications (typically 1.8g for the included cartridge).
- Adjust the anti-skating dial to match the tracking force setting.
1.5 تركيب غطاء الغبار
Attach the dust cover hinges to the designated slots on the rear of the turntable. The unique design allows the dust cover to double as a display stand for album covers.

Image: Denon DP-450USB with its removable dust cover positioned to display an album jacket.
1.6 الاتصال بنظام صوتي
The DP-450USB offers multiple connectivity options:
- Analog Output (RCA): Connect the RCA cables from the turntable's 'PHONO OUT' to your amplifier's phono input. If your amplifier lacks a phono input, use the built-in phono equalizer by setting the 'EQUALIZER' switch to 'ON'.
- مخرج يو اس بي: Connect the USB cable to your computer for digitizing vinyl records.

Image: Rear panel of the Denon DP-450USB, highlighting the RCA audio outputs, ground terminal, USB-A port, and power input.
فيديو: أكثر منview of the Denon DP-450USB turntable, showcasinج- مميزاته وتصميمه.
2. تعليمات التشغيل
2.1 تشغيل/إيقاف التشغيل
To power on the turntable, rotate the power knob. The platter will begin to spin. To power off, rotate the knob to the 'OFF' position.
2.2 تشغيل أسطوانة
- ضع سجلاً على الطبق.
- Select the appropriate speed (33 1/3, 45, or 78 RPM) using the speed selector switch.
- Press the 'START' button. The tonearm will automatically lift, move to the beginning of the record, and gently lower the stylus onto the groove.
- At the end of the record, the tonearm will automatically lift and return to its rest, and the platter will stop spinning.
اختيار 2.3 سرعات
The DP-450USB supports three playback speeds: 33 1/3 RPM (for LPs), 45 RPM (for singles), and 78 RPM (for vintage shellac records). Use the selector switch to choose the correct speed for your record.

الصورة: علوية view of the Denon DP-450USB turntable, displaying the platter, tonearm, and speed selection controls.
2.4 تسجيل USB
To digitize your vinyl collection, connect the turntable to your computer via the USB-A port. Use compatible recording software (e.g., MusiCut for PC) to capture audio in MP3 or WAV formats.
2.5 اتصال البلوتوث (إن وجد)
While the DP-450USB model does not feature built-in Bluetooth, some variants of Denon turntables offer this functionality. If you have a Bluetooth-enabled Denon turntable, refer to its specific instructions for pairing with compatible devices.
Video: A merchant video demonstrating the Denon DP-400 Hi-Fi Turntable, which shares many operational similarities with the DP-450USB.
3. الصيانة
3.1 تنظيف قلم اللمس
Gently brush the stylus from back to front using a soft brush designed for stylus cleaning. Avoid touching the stylus with your fingers.
3.2 تنظيف القرص الدوار
Wipe the turntable chassis and platter with a soft, dry cloth. For stubborn marks, use a slightly damp امسح بقطعة قماش وجففها فوراً. تجنب استخدام المنظفات الكاشطة أو المذيبات.
3.3 العناية بغطاء الغبار
Clean the dust cover with a soft, lint-free cloth. Use a mild, non-abrasive cleaner if necessary. Avoid harsh chemicals that can scratch or cloud the plastic.
4. استكشاف الأخطاء وإصلاحها
- لا يوجد صوت: Check all cable connections (RCA, power). Ensure the phono equalizer switch is set correctly (ON if connecting to a line-level input, OFF if connecting to a phono input). Verify amplifier and speaker settings.
- التخطي أو التشويش: Check if the record is clean and free of dust. Verify tonearm balance, tracking force, and anti-skating settings. Ensure the turntable is on a stable, level surface.
- سرعة غير صحيحة: Confirm the speed selector switch is set to the correct RPM for the record being played.
- مشاكل التسجيل عبر منفذ USB: Ensure the USB cable is securely connected and your recording software is correctly configured to recognize the turntable as an audio input device.
For further assistance, please refer to the comprehensive troubleshooting guide on the Denon support webالموقع أو الاتصال بخدمة العملاء.
5. المواصفات
| ميزة | مواصفة |
|---|---|
| أبعاد المنتج | 13.46 × 16.3 × 4.13 بوصة |
| وزن العنصر | 11.03 رطل |
| رقم موديل العنصر | DP450 USB |
| سرعة الدوران القصوى | 78 دورة في الدقيقة |
| المكونات المضمنة | Dust cover, Turntable, USB |
| ميزة خاصة | مُعادل الصوت |
| مادة | بلاستيك |
| لون | أسود |
| الأجهزة المتوافقة | حاسوب شخصي، مكبر صوت |
6. الضمان والدعم
Your Denon DP-450USB turntable is covered by a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical support, service, or warranty claims, please visit the official Denon website or contact Denon customer service directly.





