iSinbox JY821 Smart Projector 4K User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation of your iSinbox JY821 Smart Projector 4K. Please read this manual thoroughly before using the product and retain it for future reference. The iSinbox JY821 is designed to deliver a premium home theater experience with advanced features such as 4K decoding, 1800 ANSI lumens brightness, automatic focus, and 6D keystone correction.

It integrates built-in streaming applications, WiFi 6, and Bluetooth 5.3 for seamless connectivity and entertainment. The projector also features Dolby Audio Plus with 36W speakers for an immersive sound experience, HDR10+ support for vibrant visuals, and a liquid cooling system with sealed optics for enhanced durability and performance.

2. Product Overview

Key Features:

• Display Technology: Native 1080P resolution with full 4K decoding support.
• Brightness: 1800 ANSI Lumens.
• Audio: Dolby Audio Plus with 36W speakers.
• Smart Features: AI Movin System with Auto Focus, Auto Keystone Correction, Auto Screen Detection, and Obstacle Avoidance.
• Connectivity: Ultra-fast WiFi 6 and Dual-Mode Bluetooth 5.3.
• Operating System: Latest Linux OS with pre-installed streaming apps (Netflix, Prime Video, YouTube, Disney+, Apple TV).
• Durability: Fully sealed optical engine and industry-first liquid cooling system for dust protection and extended lifespan.
• Image Enhancement: HDR10+ technology, AI PQ (Picture Quality) enhancement, 25,000:1 contrast ratio, 120% NTSC color coverage.

What's in the Box:

• iSinbox JY821 Smart Projector
• Power Cord
• HDMI Cable
• AV Cable
• Remote Control (requires 2 AAA batteries, not included)
• User Manual

3. Setup

3.1 Initial Placement

Place the projector on a stable, flat surface. Ensure there is adequate ventilation around the device. The projector can be placed on a desktop, mounted on a ceiling, or wall-mounted (M4x3.88mm screw holes are available for mounting).

3.2 Power Connection

1. Connect the power cord to the projector's power input port.
2. Plug the other end of the power cord into a suitable electrical outlet.
3. Press the power button on the projector or the remote control to turn on the device.

3.3 Automatic Image Adjustment

The iSinbox JY821 features an AI Movin System for automatic image adjustment. Upon startup or movement, the projector will automatically perform the following:

• Auto Focus: Adjusts the image clarity automatically.
• Auto Keystone Correction: Corrects trapezoidal distortion to ensure a rectangular image.
• Auto Screen Detection: Identifies the projection surface.
• Obstacle Avoidance: Adjusts the image to avoid obstacles on the projection surface.

You can also manually adjust zoom from 50% to 100% for flexible placement.

Figure 1: AI Auto Screen Setting in action, showing automatic focus and keystone correction for a perfectly aligned image.

4. Operating Instructions

4.1 Navigating the Smart OS

The projector runs on a Linux operating system, providing a user-friendly interface. Use the included remote control to navigate through menus and select options. The home screen provides direct access to pre-installed applications.

Figure 2: The projector's smart interface showing pre-installed streaming applications like Netflix, Prime Video, YouTube, Disney+, and Apple TV.

4.2 Streaming Content

Access popular streaming platforms directly from the projector's home screen. A Netflix membership is required for Netflix content. Ensure the projector is connected to a stable internet connection via WiFi 6 or the LAN port for optimal streaming performance.

4.3 External Device Connectivity

The projector offers multiple ports for connecting external devices:

• HDMI Ports (x2): Connect gaming consoles, laptops, Blu-ray players, Fire TV Stick, Roku, etc.
• USB Ports (x2): Connect USB drives for media playback.
• LAN Port (x1): For wired internet connection.
• AV Port (x1): For connecting older audio/video devices.
• Headphone Jack (x1): For private listening.

4.4 Wireless Connectivity

Utilize the advanced wireless features for enhanced flexibility:

• WiFi 6: Provides ultra-fast and stable internet connection for smooth, lag-free streaming and screen mirroring from Android or iOS devices.
• Bluetooth 5.3: Supports both audio input and output. Use the projector as a Bluetooth speaker or connect external Bluetooth audio devices like soundbars or headphones with one-click pairing.

Figure 3: Advanced WiFi 6 and Bluetooth 5.3 connectivity for seamless streaming and audio pairing.

5. Maintenance

5.1 Dust Protection

The JY821 features a fully sealed optical chamber, significantly boosting dust resistance. This design helps prevent dust buildup on internal components, which can degrade image quality over time. Regular external cleaning is recommended.

Figure 4: The fully sealed optical chamber provides enhanced dust protection, extending the projector's lifespan.

5.2 Cooling System

This projector incorporates an industry-first liquid cooling system with a dual-core heat dissipation design. This system efficiently monitors and adjusts fan speed and coolant for optimal temperature regulation, ensuring stable performance during extended viewing sessions and contributing to a longer device lifespan.

Figure 5: Liquid cooling technology ensures efficient heat dissipation, reducing operating temperature and noise.

5.3 Cleaning

• Use a soft, dry cloth to clean the exterior of the projector.
• For the lens, use a lens cleaning cloth and specialized lens cleaning solution. Avoid abrasive materials.
• Do not use liquid or aerosol cleaners directly on the projector.

6. Troubleshooting

6.1 No Image or Poor Image Quality

• Check Power: Ensure the projector is properly connected to power and turned on.
• Input Source: Verify the correct input source (HDMI, USB, etc.) is selected.
• Focus/Keystone: Allow the auto-focus and auto-keystone correction to complete. If needed, manually adjust focus or keystone settings.
• Resolution: Ensure the input device's resolution is compatible with the projector's native 1080P resolution or 4K decoding capabilities.
• Ambient Light: For optimal image quality, use the projector in a dark environment.

6.2 No Sound or Poor Sound Quality

• Volume: Check the projector's volume level and ensure it is not muted.
• External Audio: If using external speakers via Bluetooth or AV cable, ensure they are properly connected and powered on.
• Source Audio: Verify the audio output settings on your connected source device.

6.3 Connectivity Issues

• WiFi: Ensure the projector is within range of your WiFi 6 router and the password is correct.
• Bluetooth: For Bluetooth devices, ensure they are in pairing mode and within range. Try re-pairing the device.

For further assistance, please contact customer support.

7. Specifications

8. Warranty and Support

iSinbox is committed to providing excellent customer service. Your JY821 projector comes with:

• Lifetime Technical Support: Assistance available for the lifespan of your product.
• 3-Year Warranty: Covers manufacturing defects and malfunctions.
• 1-Year Free Replacement: For eligible issues within the first year of purchase.

If you have any questions or require support, please contact us at: service-us@isinbox.com