YEEHUNG 12.3 Inch Linux Car Touch Display Screen User Manual

1. Introduzzjoni

This manual provides detailed instructions for the installation, operation, and maintenance of your YEEHUNG 12.3 Inch Linux Car Touch Display Screen. Please read this manual thoroughly before installation and use to ensure proper functionality and to avoid damage.

The display screen integrates advanced features such as CarPlay, Android Auto, and Mirror Link, enhancing your in-car entertainment and navigation experience while retaining original vehicle functionalities.

2. Prodott Aktarview u Karatteristiċi

Figure 1: YEEHUNG 12.3 Inch Linux Car Touch Display Screen with CarPlay interface.

The YEEHUNG 12.3 Inch Linux Car Touch Display Screen is designed to upgrade your Mercedes-Benz vehicle's infotainment system. It offers a seamless integration with your car's existing features and introduces new capabilities.

Karatteristiċi ewlenin:

• Kompatibbiltà tal-Vettura: Designed for Mercedes-Benz 2012-2015 C Class (W204), A Class (W176), CLA Class (C117), and GLA Class (X156) with NTG4.5/4.7 OEM systems.
• Sistema Operattiva Linux: Provides a stable and responsive user experience.
• Konnettività bil-fili u mingħajr fili: Supports Apple CarPlay, Android Auto, and Mirror Link (iOS 26).
• OEM System Integration: Retains original car interface and functions, allowing seamless switching between the new Linux system and the OEM system.
• Steering Wheel & Knob Control: Allows control of CarPlay or Android Auto interfaces using the car's original steering wheel buttons and control knob.
• Appoġġ tal-Kamera: Displays your car's reversing camera feed and radar information. Compatible with OEM cameras and aftermarket CVBS/720P AHD format cameras.
• Daqq tal-Midja USB: Enables music and video playback via USB.
• Wirja b'Definizzjoni Għolja: Features a 12.3-inch HD IPS touchscreen with 1920x720 resolution.

Figura 2: Aktarview of the display's key features.

3. Gwida għall-Installazzjoni

Nota: For Mercedes-Benz A Class W176, CLA Class C117, and GLA Class X156, the supplied base bracket is not needed; the screen mounts directly on the original base bracket.

3.1. Disassembly of Original Components

1. Remove Air-Conditioning Trim Panel: Use a rocker tool to carefully pry out the air-conditioning trim panel. Once loose, place it to one side.
2. Remove Instrument Panel Trim: Pry out the upper and lower trim panels of the instrument panel with a rocker. Then, pry out the main trim panel of the instrument panel and remove the two visible fixing screws.
3. Remove Original Display Screen: Gently pull the original display screen outward. Disconnect and remove the power cord and LVDS plug from the back of the screen.
4. Remove Original Host Panel: Remove the fixing screws of the host panel.
5. Remove Original Host Unit: Pull the host of the original vehicle outward. Take out the host unit. Hold the buckle of the ISO plug of the host and pull it backward to take out the ISO plug.
6. Extract Fiber Optic Cable: Press the small buckle on the original ISO wire head with tweezers and carefully extract the 2P orange optical fiber cable.

3.2. Wiring u Konnessjonijiet

1. Thread Harnesses: Thread the ISO harness and RCA harness through the center console to the base of the display using threading tools and electrical tape.
2. Route 4G/GPS Antennas: Pry open the side cover of the storage box. Thread the plug ends of the 4G antenna and GPS antenna through the storage box to the base of the display screen. Secure them on the dashboard with double-sided adhesive tape. Plug any excess wire into the gap above the storage box and press the exposed harness into the gap with a rocker.
3. Route USB Sockets: Pass the two USB sockets through the storage box and place them inside.
4. Qabbad il-Kejbil tal-Fibra Ottika: Plug the 2P orange optical fiber cable (extracted earlier) behind the female head of the Android ISO cable. Connect the ISO plug of the original host to the male of the Android ISO harness.
5. Connect Android Device Plugs: Qabbad il-plakek tal-wajers tal-Android ISO, l-antenna 4G, l-antenna GPS, u l-wajers tal-RCA man-naħa ta' wara tal-apparat Android.
6. Install Front Camera (Optional): If adding a front camera, pull its cable through the air inlet grille to the engine compartment. Fix the front camera with double-sided tape or screws in a suitable place in front of the car. Connect the yellow power cord of the camera with the red power cord of the extension cable and wrap it with electrical tape. Connect the two video connectors of the camera to the connector of the extension cable and wrap it with electrical tape. Sort out surplus wires and bind them into a bundle with ties, then fix them in the engine compartment.

3.3. Assemblaġġ mill-ġdid

1. Install New Display Base: Install the base of the Android device in the middle of the dashboard and lock the fixing screw.
2. Install New Display Screen: Put the new display screen onto the base.
3. Reinstall Original Host: Install the original host unit back to its original position. Confirm it is installed in place, then lock and fix the original host.
4. Erġa' installa l-Panels tat-Trim: Install the three panels of the instrument cluster back into place. Reinstall the air-conditioning trim panel.

Figure 3: Visual comparison of the dashboard before and after the screen installation.

4. Setup u Konfigurazzjoni Inizjali

4.1. Power On and Initial Check

• Turn the ignition on and power on the car.
• Check whether the Android device can be started normally.
• Verify that all functions are normal.

4.2. AUX Menu and Sound Setup

If your car with the NTG4.5/4.7 system does not have an AUX menu originally, you must activate it according to the product details instructions. Without AUX menu activation, there will be no sound.

• Metodu tal-Wiring: Check the car's sound transmission port. Use the AMI connection cable in preference. If there is no AMI port, use the audio output of the ISO connection cable to connect to the car's AUX jack.
• OEM Bluetooth Sound: For wireless CarPlay and Android Auto call and music sound quality, use OEM Bluetooth. Your car must have both OEM Bluetooth and Bluetooth audio to work. Refer to the provided connectivity videos for guidance.

Figure 4: AUX connection methods.

Figure 5: AUX Activation menu.

4.3. Settings tar-Riżoluzzjoni

• Set the resolution according to your original system screen for optimal display.

Figure 6: OEM Resolution settings menu.

5. Istruzzjonijiet Operattivi

5.1. System Switching

The device supports switching between the new Linux system and the original car interface. Use the car's original controls or the touchscreen to navigate.

Figure 7: Dual System Switching.

5.2. CarPlay, Android Auto, and Mirror Link

The display supports both wired and wireless CarPlay, Android Auto, and Mirror Link (iOS 26). Connect your smartphone to access navigation, music, calls, and other apps directly on the car screen.

• Konnessjoni bil-fili: For wired CarPlay/Android Auto, use the USB IN 1 port.
• Konnessjoni bla fili: Ensure your phone's Bluetooth and Wi-Fi are enabled and connected to the device.
• AirPlay: Refer to the dedicated video for setting up AirPlay.

Figure 8: Wireless CarPlay and Android Auto in operation.

Figure 9: USB IN 1 port for wired CarPlay and Android Auto.

5.3. Reversing Camera Display

The system automatically displays the reversing camera feed and radar information when engaging reverse gear. It is compatible with both OEM and aftermarket CVBS/720P AHD cameras.

Figure 10: Reversing camera display with radar information.

Figure 11: Camera type settings menu.

6. Manutenzjoni

To ensure the longevity and optimal performance of your display screen, follow these maintenance guidelines:

• Clean the screen regularly with a soft, lint-free cloth. Avoid abrasive materials or harsh chemicals.
• Żomm l-apparat ħieles mit-trab u l-fdalijiet.
• Avoid exposing the screen to extreme temperatures or direct sunlight for prolonged periods.

7 Issolvi l-problemi

If you encounter any issues with your YEEHUNG display screen, please refer to the solutions below or contact customer support.

Kwistjonijiet Komuni u Soluzzjonijiet:

• Ebda Ħsejjes jew Kwalità Awdjo Fqira:
  • Ensure the AUX menu is activated in your original car system.
  • Verify correct wiring for audio output (AMI cable or ISO to AUX jack).
  • If using OEM Bluetooth, confirm your car has both OEM Bluetooth and Bluetooth audio.
  • If sound is unstable with Auto AUX, manually switch AUX to get a stable sound.
• Original Screen Distortion/Flicker: Check all connections, especially the LVDS cable, for secure fit. Ensure the correct resolution is selected.
• CarPlay/Android Auto Reconnection Issues: If your phone disconnects, try rebooting the system. Ensure OEM Bluetooth is properly configured for wireless connections.
• Display Resolution Issues (Zoomed In): This may occur occasionally. Try turning the car off and on again. Verify the correct OEM resolution setting.
• Fiber Optic Cable Adaptation: Ensure fiber optic cables are properly adapted to the Linux harness. Refer to installation videos for detailed steps.
• Aftermarket Camera Not Working: The system does not support aftermarket cameras exceeding 720P AHD format. Check camera specifications.

8. Speċifikazzjonijiet

9. Garanzija u Appoġġ

YEEHUNG is committed to providing high-quality products and excellent customer service. If you have any questions or encounter issues with your product, please do not hesitate to contact our support team.

• Product Fitment: If you are unsure about compatibility, send us a photo of your car's dashboard and the model year for verification.
• Servizz ta' wara l-bejgħ: Our dedicated support team is available to assist you. Please clearly express your problem for quick resolution. We aim to reply within 24 hours.