مقدمه
The JBL L75ms Music System is designed to provide a high-fidelity audio experience with extensive connectivity options. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your L75ms system.

Image: The JBL L75ms Music System, showcasing its retro-inspired design with a walnut cabinet and black Quadrex foam grille, positioned on a shelf.
محتویات بسته
بررسی کنید که همه اقلام در بستهبندی موجود باشند:
- JBL L75ms Music System
- کنترل از راه دور
- سیم برق
- راهنمای شروع سریع
- راهنمای کاربر (این سند)
راه اندازی
1. تعیین سطح
Place the L75ms on a stable, flat surface. Ensure adequate ventilation around the unit. For optimal sound, position the system at ear level in your primary listening area. Avoid placing it in enclosed cabinets that may restrict airflow or sound dispersion.
The system dimensions are approximately 11.42 x 31.1 x 8.66 inches (H x W x D) and it weighs 35.1 pounds. Consider these measurements when selecting a location.
2. اتصال برق
- Connect the supplied power cord to the AC input on the rear panel of the L75ms.
- Plug the other end of the power cord into a suitable AC wall outlet.
- Ensure the power switch on the rear panel is in the "ON" position.
3. اتصال دستگاه های خارجی
The L75ms offers various input options on its rear panel:
- HDMI ARC: Connect to a compatible TV for audio return channel functionality.
- فونو (میلیمتر): Connect a turntable with a Moving Magnet cartridge.
- ورودی AUX (RCA): Connect analog audio sources.
- زیر ارسال: Connect an optional powered subwoofer for enhanced bass.
- اترنت: برای اتصال به شبکه سیمی.
- USB (Service): فقط برای استفاده از خدمات

تصویر: دقیق view of the JBL L75ms rear panel, highlighting the HDMI ARC, Phono (MM), AUX IN, SUB OUT, Ethernet, and power connections.
4. Wireless Connectivity (Chromecast, AirPlay 2, Bluetooth)
The L75ms supports wireless audio streaming via Google Chromecast built-in, Apple AirPlay 2, and Bluetooth.
- Chromecast داخلی: Follow the instructions in the Google Home app to set up your L75ms on your Wi-Fi network.
- اپل ایرپلی ۲: Ensure your L75ms is connected to the same Wi-Fi network as your Apple device. Select the L75ms from the AirPlay menu on your device.
- بلوتوث:
- Press the Bluetooth button on the remote control or the top panel of the L75ms to enter pairing mode.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and select "JBL L75ms" from the list of available devices.
- Once paired, audio will stream wirelessly to the L75ms.
دستورالعمل های عملیاتی
۶.۱ کنترلهای پایه
The L75ms can be controlled using the included wireless remote or the controls located on the top panel of the unit.

Image: The wireless remote control for the JBL L75ms, showing buttons for power, volume, playback, and input selection.
- دکمه پاور: سیستم را روشن یا خاموش می کند.
- افزایش/کاهش صدا: سطح صدای اصلی را تنظیم میکند.
- انتخاب ورودی: Cycle through available sources (NET, Bluetooth, HDMI, Phono, Aux).
- کنترل های پخش: Play/Pause, Skip Forward/Backward (for compatible sources).

Image: Close-up of the top panel controls on the JBL L75ms, featuring buttons for network, Bluetooth, HDMI, and volume adjustment.
۴.۲ تنظیمات صدا
The L75ms includes selectable soundfield expander and bass contour controls to customize your listening experience. Refer to the Quick Start Guide for detailed instructions on activating these features.

Image: The JBL L75ms with its grille removed, revealing the five-driver configuration: dual 5.25-inch woofers, dual 1-inch aluminum tweeters, and a central 4-inch midrange driver.
تعمیر و نگهداری
تمیز کردن
To maintain the appearance and performance of your L75ms Music System:
- Wipe the walnut wood veneer cabinet with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- For the Quadrex foam grille, gently dust with a soft brush or use a low-power vacuum cleaner with a brush attachment. Do not use liquid cleaners on the grille.
- قبل از تمیز کردن، مطمئن شوید که سیستم خاموش و از برق کشیده شده است.
عیب یابی
If you encounter issues with your JBL L75ms, refer to the following common problems and solutions:
| مشکل | علت احتمالی | راه حل |
|---|---|---|
| بدون قدرت | Power cord disconnected; Power switch off; Outlet not active. | Check power cord connection; Ensure rear power switch is ON; Test outlet with another device. |
| صدا نداره | Volume too low; Incorrect input selected; Source device not playing. | Increase volume; Select correct input; Verify source device is playing audio. |
| مشکلات جفت شدن بلوتوث | L75ms not in pairing mode; Device too far; Interference. | Ensure L75ms is in pairing mode; Move device closer; Restart both devices. |
| Network connectivity problems | Wi-Fi signal weak; Incorrect network settings. | Check Wi-Fi router; Reconfigure network settings via Google Home app. |
| سیستم پاسخگو نیست | نقص موقت نرمافزاری. | Perform a soft reset by unplugging the power cord for 30 seconds, then plugging it back in. If issues persist, locate the "RESET" button on the rear panel and press it with a thin object (e.g., paperclip) for a factory reset (note: this will erase all settings). |
مشخصات
| ویژگی | جزئیات |
|---|---|
| نام مدل | L75ms |
| نوع نصب | پایه روی میز |
| مواد | Wood (Walnut) |
| نوع بلندگو | قفسه کتاب |
| موارد استفاده توصیه شده | موسیقی |
| دستگاه های سازگار | لپتاپ، گوشی هوشمند، تبلت |
| پیکربندی کانال صدای فراگیر | 2.0 |
| رنگ | گردو |
| اجزای شامل | Remote, Power Cord, Quick Start Guide, Manual |
| وزن مورد | 35.1 پوند (15900 گرم) |
| روش کنترل | از راه دور |
| فناوری ارتباطات بی سیم | بلوتوث |
| اندازه بلندگو | 5.25 Inches (Woofers), 4 Inches (Midrange), 1 Inches (Tweeters) |
| منبع تغذیه | AC |
| نسبت سیگنال به نویز | 106 دسی بل |
| محدوده بلوتوث | 10 متر |
| فناوری اتصال | بلوتوث، HDMI |
| حالت خروجی صدا | استریو |
| حداکثر توان خروجی بلندگو | 350 وات |
| پاسخ فرکانس | 25000 Hz (Upper limit, full range not specified) |
| ابعاد محصول | 11.42 x 31.1 x 8.66 اینچ |
| شماره مدل مورد | JBLL75MSAM |
| UPC | 050036383240 |
اطلاعات گارانتی
The JBL L75ms Music System comes with a Limited Warranty. For specific terms and conditions, please refer to the warranty card included in your package or visit the official JBL webسایت
پشتیبانی مشتری
For additional assistance, technical support, or service inquiries, please visit the official JBL support webبه سایت مراجعه کنید یا با بخش خدمات مشتریان آنها تماس بگیرید. اطلاعات تماس معمولاً در JBL یافت میشود. webسایت یا در راهنمای شروع سریع.
JBL Webسایت: www.jbl.com