1. مقدمه
The iSinbox JY821 Smart Projector is designed to provide a comprehensive entertainment experience. It features 4K decoding, 2500 ANSI lumens brightness, Dolby Audio, and a liquid cooling system. This manual provides instructions for setting up, operating, and maintaining your projector.
۲. چه چیزهایی در جعبه است؟
- سیم برق
- کابل HDMI
- کابل AV
- کنترل از راه دور
- راهنمای کاربر
3. محصول تمام شدview
The iSinbox JY821 projector integrates advanced features for optimal performance and user convenience.
3.1 ویژگی های کلیدی
- نمایش: Native 1080P resolution with full 4K decoding support, 2500 ANSI Lumens, 25,000:1 contrast ratio, HDR10+, and 120% NTSC color coverage.
- صوتی: Integrated 36W speakers with Dolby Audio Plus technology for immersive sound.
- Smart System: Linux operating system with built-in licensed apps (Netflix, Prime Video, YouTube, Disney+, Apple TV).
- قابلیت اتصال: Ultra-fast WiFi 6 and Dual-Mode Bluetooth 5.3. Includes 2 HDMI ports, 2 USB ports, and 1 LAN Port.
- Intelligent Adjustments: سیستم حرکت هوش مصنوعی با فوکوس خودکار، تصحیح خودکار زاویه دید، تشخیص خودکار صفحه نمایش و اجتناب از موانع.
- ماندگاری: Fully sealed optical engine and liquid cooling system for enhanced dust protection and efficient heat dissipation.

شکل 1: جلو view of the iSinbox JY821 Smart Projector.

شکل 2: عقب view showing connectivity ports (HDMI, USB, LAN).

شکل 3: داخلی view illustrating the 36W immersive stereo sound system.

Figure 4: Visual representation of the projector's Dolby Audio and 36W speaker system.

Figure 5: Depiction of the projector's 4K decoding capability and 2500 ANSI lumens brightness.

Figure 6: Illustration of the automatic focus and 6D keystone correction features.

Figure 7: Diagram showing the fully sealed optical engine for dust defense.

Figure 8: Visual of the liquid thermal cooling system for efficient heat management.

Figure 9: Illustration of the projector's WiFi 6 and Bluetooth 5.3 capabilities.
۱. دستورالعملهای راهاندازی
۲.۱ جایگذاری اولیه
Place the projector on a stable, flat surface. Ensure there is adequate ventilation around the device. The projector supports flexible installation options including ceiling mount, desktop, or wall mount (M4x3.88mm screw holes are available).
4.2 اتصال برق
- سیم برق را به ورودی برق پروژکتور وصل کنید.
- سر دیگر سیم برق را به پریز برق مناسب وصل کنید.
4.3 اتصال دستگاه ها
The projector is fully compatible with various devices. Use the appropriate cables for connection:
- پورتهای HDMI (x2): For connecting devices like Fire TV Stick, Roku, laptops, and PS5.
- پورتهای USB (x2): For connecting USB drives or other USB accessories.
- پورت LAN (1 عدد): برای اتصال به اینترنت سیمی.
- AV Cable: For connecting older audio/video equipment.
4.4 اتصال شبکه
The projector supports both wired and wireless network connections.
- Wi-Fi 6: Navigate to the network settings on the projector, select your Wi-Fi network, and enter the password.
- LAN: Connect an Ethernet cable from your router to the projector's LAN port.
5. دستورالعمل های عملیاتی
5.1 روشن/خاموش کردن
برای روشن یا خاموش کردن دستگاه، دکمه روشن/خاموش روی پروژکتور یا کنترل از راه دور را فشار دهید.
5.2 AI Movin System (Automatic Adjustments)
The projector features an AI Movin System for automatic image adjustments:
- تمرکز خودکار: پروژکتور به طور خودکار وضوح تصویر را تنظیم میکند.
- تصحیح خودکار کیستون: Corrects distorted images for a rectangular display.
- تشخیص خودکار صفحه نمایش: سطح طرح ریزی را مشخص می کند.
- جلوگیری از موانع: تصویر را طوری تنظیم میکند که از برخورد با موانع روی سطح پخش جلوگیری شود.
These features activate automatically upon startup or when the projector is moved.

Figure 10: The AI Auto Screen Setting in action, showing automatic focus and keystone correction.
۵.۳ استفاده از برنامههای داخلی
The projector runs on a Linux operating system with pre-installed streaming applications. Use the remote control to navigate the home screen and select apps like Netflix, Prime Video, YouTube, Disney+, and Apple TV. A Netflix streaming membership is required for Netflix content.

Figure 11: Projector displaying the home screen with various streaming applications.
5.4 قابلیت اتصال بلوتوث
The projector supports Dual-Mode Bluetooth 5.3 for audio input and output.
- حالت بلندگوی بلوتوث: Use the projector as a Bluetooth speaker by pairing your mobile device.
- دستگاههای صوتی خارجی: برای افزایش کیفیت صدا، بلندگوهای بلوتوث خارجی یا هدفون را وصل کنید.
5.5 انعکاس صفحه نمایش
Seamlessly mirror content from your Android or iOS device to the projector without delay. Refer to your device's screen mirroring instructions for specific steps.
5.6 عملکرد زوم
Adjust the image size from 50% to 100% using the zoom flexibility feature, allowing for easy placement and multi-angle projection.
6. تعمیر و نگهداری
۵.۱ محافظت در برابر گرد و غبار
The projector features a fully sealed optical engine to minimize dust buildup. Regularly wipe the exterior with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
6.2 سیستم خنک کننده
The liquid cooling system automatically adjusts fan speed and coolant for optimal temperature. Ensure ventilation vents are not blocked to maintain efficient cooling and prolong the projector's lifespan.
7 عیب یابی
| مشکل | علت احتمالی | راه حل |
|---|---|---|
| هیچ تصویری نمایش داده نمی شود | Power cable disconnected, incorrect input source, device not powered on. | Check power connections, select correct input source (HDMI 1/2, AV), ensure connected device is on. |
| تصویر تار | Out of focus, projector moved. | The AI Movin System should auto-focus. If not, check for obstructions or manually adjust focus if available in settings. |
| تصویر تحریف شده (شکل ذوزنقهای) | Incorrect projection angle. | The AI Movin System should auto-correct keystone. Ensure the projector is placed as squarely as possible to the screen. |
| صدا نداره | Volume too low, external audio device not connected/paired, incorrect audio output selected. | Increase volume, check Bluetooth connection for external speakers, ensure internal speakers are selected if no external audio is desired. |
| نمی توان به وای فای متصل شد | Incorrect password, out of range, network issue. | Verify Wi-Fi password, move projector closer to router, try a wired LAN connection. |
8. مشخصات
| ویژگی | جزئیات |
|---|---|
| نام تجاری | iSinbox |
| شماره مدل | JY821 |
| وزن مورد | 4.97 پوند |
| ابعاد محصول | 7.7 x 8.6 x 5.5 اینچ |
| رنگ | گان متال |
| وضوح نمایش | 1920 x 1080 (Native 1080P, supports 4K decoding) |
| روشنایی | 2500 ANSI لومنس |
| نسبت کنتراست | 25,000:1 |
| فناوری اتصال | بلوتوث ۵.۳، HDMI، وایفای ۶، بیسیم |
| ویژگی های خاص | 3D Dolby Audio & 36W Speakers, 4K Projector with Movin Smart Operating System, AI Image Enhance & Eye Protect Mode, Auto Focus and 6D Keystone Correction, Bi-directional Bluetooth 5.3, Ultra-fast Wi-Fi 6, Handheld Compact Design, Compatible with Netflix / Prime Video / YouTube / Disney+ / Apple TV |
| موارد استفاده توصیه شده | کسب و کار، آموزش، بازی، داخل/خارج از منزل |
9. گارانتی و پشتیبانی
iSinbox offers lifetime technical support for the JY821 Smart Projector. For any questions or assistance, please contact customer service at service-us@isinbox.com.
The product is subject to a 30-day return policy for refund or replacement.
۹. ویدیوی رسمی محصول
ویدیوی ۱: تمام شدview of the iSinbox JY821 Smart Projector's features and capabilities, including auto-focus, built-in apps, and Dolby Audio. Provided by iSinbox Direct US.





