1. Introduction
Thank you for choosing the JIUYIN 6.28 Inch 1 Din Carplay Android Auto Car Radio Multimedia Player. This device is designed to enhance your driving experience with its advanced features, including wireless CarPlay and Android Auto, Bluetooth connectivity, FM radio, USB and Type-C media playback, and hands-free communication. This manual provides essential information for safe installation, operation, and maintenance of your new car multimedia player.
2. Safety Information
- Professional Installation Recommended: Due to the complexity of car electrical systems, professional installation is highly recommended to prevent damage to the device or your vehicle.
- Driving Safety: Always prioritize safe driving. Do not operate the device in a way that distracts you from the road. Use hands-free functions and steering wheel controls for minimal distraction.
- Electrical Safety: Ensure all connections are secure and correctly wired to avoid short circuits or electrical hazards. Disconnect the vehicle's battery before installation.
- Touch Screen Calibration: During the screen touch calibration process, a plus sign will appear in the upper left corner. Only click the plus sign; clicking other positions may cause incorrect calibration.
- Reverse Camera Wiring: If your package does not include a rear camera and your car does not have one installed, do NOT connect the pink reverse parking trigger cable. Connecting this cable without a camera can lead to "Start reversing" or "No signal" prompts, preventing normal operation. If these prompts appear, disconnect the pink reversing wire.
3. Package Contents
Please check the contents of your package against the list below:
- JIUYIN 6.28 Inch Car Stereo Unit
- Rear Camera (if selected in package)
- Remote Control
- Backup Camera Cable + USB Cable
- RCA Cable
- Power Cable
- Mounting Brackets
- User Manual

4. Product Overview
The JIUYIN Car Multimedia Player features a 6.28-inch high-definition full lamination touchscreen with a resolution of 1280*452P. It operates on a Linux system and is designed as a universal 1-DIN unit, making it suitable for a wide range of older car models. Key features include:
- Wireless Apple CarPlay and Android Auto for seamless smartphone integration.
- Bluetooth 5.0 for hands-free calling and online music streaming.
- Built-in FM Radio with automatic and manual search.
- USB and Type-C ports for media playback and fast charging (PD+QC3.0 30W, 100W compatible).
- Support for steering wheel controls.
- Voice control functionality (Siri, Google Assistant).
- Reversing input for backup camera.
- Large, easy-to-operate knob control.


5. Installation
Before proceeding with installation, ensure your vehicle's dashboard opening is compatible with a 1-DIN unit. If unsure, consult a professional or compare your vehicle's panel size with the product dimensions.
5.1 Pre-Installation Check
- Verify the size of your original vehicle panel.
- Disconnect the negative terminal of your car battery.

5.2 Wiring Diagram
Refer to the power line diagram for correct connections. Pay special attention to the reverse camera input.

- Pink "back"/Reversing camera line: This wire is for the reversing camera trigger. If you do not have a rear-mounted camera or it's not included in your package, do not connect this wire. If "Start reversing" or "No signal" prompts appear, disconnect this wire.
- Connect the power cord interface, radio antenna, and USB cables as indicated in the diagram.
5.3 Mounting
Use the provided brackets to secure the car stereo unit into the 1-DIN slot of your vehicle's dashboard. Ensure it is firmly in place.

6. Initial Setup
6.1 Power On
After installation, reconnect your car battery. Turn on your vehicle's ignition to power on the multimedia player.
6.2 Touch Screen Calibration
Upon first use or after a reset, the device may require touch screen calibration. Follow the on-screen prompts carefully. When a plus sign appears in the upper left corner, tap only the plus sign. Avoid tapping other areas to ensure accurate calibration.
6.3 Language Settings
Navigate to the system settings to select your preferred OSD (On-Screen Display) language. The device supports a wide range of languages including English, Chinese (Simplified/Traditional), Arabic, German, French, Spanish, Portuguese, Russian, Japanese, Korean, and many more.
7. Operating Instructions
7.1 Wireless CarPlay / Android Auto
Connect your iPhone or Android smartphone wirelessly to access navigation, music, calls, and messaging directly on the car stereo's display.
- Ensure Bluetooth and Wi-Fi are enabled on your smartphone.
- On the car stereo, select the CarPlay or Android Auto icon.
- Follow the on-screen instructions to pair your device.

7.2 Bluetooth Functions
Pair your mobile phone via Bluetooth for hands-free calling and audio streaming.
- On the car stereo, go to the Bluetooth settings.
- Enable Bluetooth on your phone and search for available devices.
- Select "JIUYIN" (or similar device name) from your phone's list and confirm pairing.

7.3 FM Radio
Enjoy your favorite radio stations with the built-in FM tuner.
- Automatic Search: Press the 'BAND' or 'SCAN' button to automatically search and save available stations.
- Manual Search: Use the arrow buttons to fine-tune frequencies.
- Preset Stations: Save your preferred stations to preset buttons for quick access.

7.4 USB Playback
Connect a USB disk to the USB slot to play audio and video files.
- Insert your USB disk into the USB slot on the front panel.
- The device will automatically detect the USB and display its contents.
- Browse and select your desired audio or video files for playback.

7.5 Steering Wheel Control
If your vehicle supports steering wheel controls, you can configure them to operate the multimedia player for convenience and safety.
- Access the 'Steering Wheel Control' settings in the device menu.
- Follow the on-screen instructions to map your vehicle's steering wheel buttons to functions like volume up/down, track skip, answer/hang up calls.

7.6 Fast Charging
The Type-C port supports PD+QC3.0 30W fast charging, compatible with 100W fast charging protocols, significantly increasing charging speed for your mobile devices.

7.7 Backup Camera
If a backup camera is connected, the display will automatically switch to the camera view when reverse gear is engaged.

8. Maintenance
- Cleaning the Screen: Use a soft, lint-free cloth to gently wipe the touchscreen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid harsh chemicals or abrasive materials.
- General Cleaning: Keep the unit free from dust and debris. Use a soft brush or compressed air to clean around buttons and ports.
- Avoid Extreme Temperatures: Do not expose the device to extreme heat or cold, as this can affect its performance and lifespan.
9. Troubleshooting
9.1 Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Incorrect power wiring; Blown fuse; Vehicle battery disconnected. | Check power cable connections; Inspect vehicle fuses; Ensure car battery is connected. |
| "Start reversing" or "No signal" appears on screen. | Pink reverse parking trigger cable connected without a camera. | Disconnect the pink reverse parking trigger cable if no camera is installed. |
| Touch screen unresponsive or inaccurate. | Incorrect touch calibration. | Perform touch screen calibration again, ensuring only the plus sign is tapped. |
| Bluetooth connection issues. | Bluetooth not enabled; Device not discoverable; Interference. | Ensure Bluetooth is on for both devices; Make the car stereo discoverable; Move closer to the unit. |
| CarPlay/Android Auto not connecting. | Wi-Fi/Bluetooth off on phone; Incorrect pairing; Software issue. | Ensure Wi-Fi and Bluetooth are active on your phone; Re-pair the device; Restart both phone and car stereo. |
| No sound. | Volume too low; Mute activated; Incorrect speaker wiring. | Increase volume; Check mute status; Verify speaker connections. |
10. Specifications
| Feature | Specification |
|---|---|
| System | Linux |
| Tuner Type | 7388 amplifier chip |
| Din Size | One Din |
| Display Size | 6.28 inches |
| Resolution | incell 1280*452P HD |
| Touch Screen | Yes |
| Built-in Screen | Yes |
| Interface | USB; Type-C |
| Voltage | 12 V |
| Item Weight | 600g |
| Item Size (L x H) | 18.8cm x 5.8cm (approx. 6.28 inch diagonal) |
| Output Type | Colored |
| Digital Media Format | CD (Note: Primarily an MP5 player, CD support may refer to digital formats) |
| Screen Mirroring | Wireless Carplay, Android Auto, Mirror Link |
| Control Method | Large knob control, touch sensitive |
| Special Features | Built-In Speaker/Microphone, WiFi function (for CarPlay/Android Auto), Charger, Mobile Phone, MP3 players, Voice Control, CarPlay, Android Auto, Reversing Input, Remote Controller Included, Support steering wheel control |
| OSD Language | Multi-language support (e.g., English, Chinese, Arabic, German, French, Spanish, Portuguese, Russian, Japanese, Korean) |
| Certification | CE, FCC |
| Origin | Mainland China |
| Package Length | 28 cm |
| Package Width | 14 cm |
| Package Height | 13 cm |
| Package Weight | 0.81 kg |

11. User Tips
- Verify Fitment: Always double-check the dimensions of your car's dashboard opening against the product specifications before purchasing and installing to ensure a perfect fit.
- Careful Calibration: When performing touch screen calibration, be precise and only tap the indicated plus sign to avoid miscalibration.
- Reverse Camera Wiring: If you are not installing a backup camera, make sure the pink reverse trigger wire is not connected to prevent unwanted
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