Erisin ES6527A Android 14 Car Stereo Multimedia Player User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Erisin ES6527A Android 14 Car Stereo Multimedia Player. Please read this manual thoroughly before using the product to ensure proper functionality and safety. This unit is designed specifically for Audi A3, S3, RS3, and RNSE-PU models manufactured between 2003 and 2011.

Figure 1.1: Erisin ES6527A Car Stereo Front View with Android UI

2. Key Features

• Operating System: Android 14.0
• Processor: Octa Core (2*A75 + 6*A55) 64-bit 2.2GHz CPU (MediaTek MT8786)
• Memory: 4GB RAM & 64GB ROM
• Storage: 1 Card Slot / 3 USB Ports, supports up to 4*256GB extended storage
• Display: 7-inch Multi-touch IPS screen, 1024*600 resolution
• Audio: DSP (AKM7604) Amplifier System with 16-Band EQ Selections
• Connectivity: Built-in Dual Band WiFi (2.4GHz & 5GHz), Built-in 4G Module (supports micro SIM card), Bluetooth 5.0
• Navigation: GPS Navigation with support for offline maps (IGO, Sygic, Waze)
• Smartphone Integration: Wireless Apple CarPlay and Wireless & Wired Android Auto
• Multimedia: Supports USB, TF, DVD playback (MP3, WMA, MP4, AVI, etc.)
• Additional Functions: Optimized CANbus Decoding, Steering Wheel Control, Split-Screen, RGB-Color Panel Lights, support for optional DAB+, DVB-T/T2, TPMS, OBD2, DVR, AHD-Camera.

Figure 2.1: Overview of Key Features

3. Compatibility & Important Notes

3.1 Compatible Models & Years

This unit is compatible with the following Audi models:

• Audi A3 (2003-2011)
• Audi S3 (2003-2011)
• Audi RS3 (2003-2011)
• Audi RNSE-PU (2003-2011)

3.2 Important Notes

• Panel Size Verification: The front panel size of this unit is 238mm (Top width) * 123mm (Height) * 228mm (Bottom width). Before purchasing and installing, please verify the shape and dimensions of your vehicle's center console or original car radio to ensure proper fit.
• Audio Impedance: In some Audi vehicles, differences in voltage levels between the audio output and input can cause current noise or a lack of sound. If you experience this, a High to Low Impedance Converter (model TT79-L) may be required for proper installation and audio quality.

Figure 3.1: Product Dimensions and TF Card Slot Location

4. Package Contents

The following items are included in your product package:

• 1x User's Manual (English)
• 1x RCA AV Connecting Cable
• 1x Camera Input and Control Cable
• 1x Power Cable with Quadlock Connector
• 1x Power Cable with ISO Connector
• 1x Special CANBus Decoder Box
• 1x Din to Fakra Radio Antenna Adapter Cable
• 2x Rear USB Adapter Cables
• 1x External Microphone
• 1x 4G Antenna
• 1x GPS Antenna
• 1x Install Fittings

Figure 4.1: All Included Accessories

5. Setup & Installation

5.1 Pre-Installation Check

1. Ensure your vehicle is turned off and the battery is disconnected before starting installation.
2. Verify the dimensions of the head unit against your car's dashboard opening (refer to Section 3.2).
3. Gather all necessary tools for installation (e.g., trim removal tools, screwdrivers).

5.2 General Installation Steps

1. Carefully remove the original car radio or center console trim.
2. Connect the provided power cables (Quadlock or ISO connector) to your vehicle's wiring harness.
3. Connect the CANBus Decoder Box if your vehicle requires it for steering wheel controls or other integrated features.
4. Connect the GPS Antenna and 4G Antenna to the corresponding ports on the rear of the unit. Position the antennas in a location with clear signal reception (e.g., dashboard, A-pillar).
5. Connect the external microphone to the unit and route it to a suitable location for hands-free calling.
6. Connect any rear USB adapter cables and route them to your desired USB access points (e.g., glove compartment, center console).
7. Connect the Camera Input and Control Cable and RCA AV Connecting Cable as needed for optional cameras or external AV devices.
8. Carefully slide the Erisin ES6527A unit into the dashboard opening.
9. Secure the unit using the provided install fittings.
10. Reassemble the dashboard trim.
11. Reconnect the vehicle battery.

Figure 5.1: Before and After Installation in an Audi A3

5.3 Wiring Diagram

Refer to the detailed wiring diagram below for specific connections. Pay close attention to the note regarding the small white connector for steering wheel control functionality.

Figure 5.2: Detailed Wiring Diagram for Erisin ES6527A. Note: The small white connector must be connected to the C socket, otherwise the steering wheel control function will not work.

5.4 4G SIM Card Installation

To use the built-in 4G internet functionality, you need to insert a data Micro SIM card (not included) into the designated slot. The 4G SIM Card Slot connecting cable is included in the accessories.

1. Locate the 4G SIM Card Slot connecting cable.
2. Insert your Micro-SIM (3FF) card into the adapter.
3. Connect the adapter to the 4G SIM Card Slot.

Figure 5.3: 4G SIM Card Installation Steps and Supported Bands

5.5 Optional Accessories Installation

The Erisin ES6527A supports various optional accessories to enhance your driving experience. These accessories are sold separately.

• DAB+ Receiver (ES384/ES394): Connect via USB for digital audio broadcasting.
• USB DVR Camera (ES670/ES650): Connect via USB to record driving footage.
• Car OBD2 Scan Tool (ES359): Connect via Bluetooth for vehicle diagnostics.
• USB-RCA-Converter (ES102): Required for video output to external monitors.
• Reversing Camera (ES680/ES586): Connect to the RCA camera input for rear-view assistance.
• Car TPMS Module (ES341/ES342): Connect via USB for tire pressure monitoring.
• Mobile DVB-T/T2 Receiver (ES338/ES336): Connect via AV-IN for digital TV reception.

Figure 5.4: Various Optional Accessories

6. Operating Instructions

6.1 Main Menu Navigation

Upon startup, the unit will display the main Android interface. You can navigate through applications by swiping left/right or tapping on icons. The status bar at the top provides quick access to music, radio, Bluetooth, clock, and date.

Figure 6.1: Main Android User Interface

6.2 GPS Navigation

The unit comes with built-in GPS and supports offline navigation. Pre-installed maps are ready to use. You can also use online navigation apps like Google Maps when connected to the internet.

• Offline Navigation: Access the pre-loaded maps directly from the navigation app.
• Online Navigation: Connect to WiFi or 4G, then open your preferred online map application.
• Dual Zone Function: Navigate while listening to music or other audio.

Figure 6.2: GPS Navigation Interface with various map options

6.3 Radio (FM/AM/RDS)

The unit features a built-in radio tuner (TDA7708 chip) supporting FM, AM, and RDS functions.

• Tuning: Manually tune or use the auto-scan function to find stations.
• Preset Stations: Save up to 30 (FM 3*6, AM 2*6) of your favorite stations.
• RDS: Enable/disable RDS (Radio Data System) for station information display.

Figure 6.3: Radio Interface with FM/AM and RDS functions

6.4 Bluetooth 5.0

Connect your smartphone via Bluetooth 5.0 for hands-free calling, music streaming (A2DP), and phonebook synchronization.

• Pairing: Enable Bluetooth on your phone and search for the unit. Select the unit and confirm pairing.
• Hands-free Calls: Make and receive calls directly from the unit's screen.
• BT-Music: Stream audio from your phone to the car stereo.
• Phonebook: Download your phone's contacts for easy access.

Figure 6.4: Bluetooth 5.0 Features and Interface

6.5 USB/TF/DVD Playback

Enjoy multimedia content from various sources.

• USB: Connect USB drives (up to 256GB) to the rear USB ports for music, videos, and photos.
• TF Card: Insert a TF card (up to 256GB) into the front panel slot for multimedia playback.
• DVD: The built-in DVD player supports MP4, AVI, DIVX, DVD, VCD, MP3, CD, WMA, JPEG formats.

Figure 6.5: Multimedia Playback Interface

6.6 CarPlay & Android Auto

Integrate your smartphone for a smarter and safer driving experience.

• Wireless Apple CarPlay: Connect your iPhone (iOS 7.1 and above) wirelessly via Bluetooth.
• Wired & Wireless Android Auto: Connect your Android smartphone (Android 5.0 and above) via USB or Bluetooth.
• Voice Control: Use smart voice control for navigation, calls, messages, and music.

Figure 6.6: Wireless Apple CarPlay and Wired & Wireless Android Auto

6.7 Split Screen Function

Run two applications side-by-side on the screen simultaneously, enhancing multitasking capabilities.

Figure 6.7: Split Screen Functionality

6.8 Steering Wheel Control (SWC)

Control essential functions like volume, answering calls, and switching channels/songs directly from your vehicle's steering wheel buttons for safer operation. Ensure the CANBus decoder box and the small white connector (refer to Wiring Diagram) are correctly installed for SWC to function.

Figure 6.8: Steering Wheel Control Feature

6.9 Internet Connectivity (WiFi & 4G)

• Dual Band WiFi: Supports both 2.4GHz and 5GHz WiFi networks for stable and high-speed internet access. Can also function as a WiFi Hotspot.
• 4G Internet: With a micro SIM card inserted (refer to Section 5.4), the built-in 4G module provides independent internet access and supports 4G sharing.

Figure 6.9: Dual Band WiFi Capabilities

6.10 DSP Amplifier System

The AKM7604 DSP Amplifier System offers a superior audio experience with 16-Band Real EQ Selections and 8 Sound Effect Adjustments. Access the DSP settings through the unit's menu to customize your audio output.

Figure 6.10: DSP Amplifier System Interface

7. Specifications

Figure 7.1: Octa-Core Processor Architecture and Performance Benchmark

8. Troubleshooting

• No Sound / Current Noise: If you experience no sound or current noise, especially in Audi vehicles, it may be due to voltage level differences. Consider purchasing and installing a High to Low Impedance Converter (model TT79-L) to resolve this issue.
• Steering Wheel Controls Not Working: Ensure the CANBus Decoder Box is correctly connected and the small white connector (labeled 'C' in the wiring diagram) is properly inserted. Refer to the wiring diagram in Section 5.3.
• GPS Signal Issues: Check that the GPS antenna is securely connected and placed in a location with a clear view of the sky, free from obstructions.
• No 4G Internet: Verify that a data Micro SIM card is correctly inserted into the 4G SIM card slot and that your SIM card supports the unit's 4G bands (B1, B2, B3, B4, B5, B7, B8, B17, B20, B34, B38, B39, B40, B41).
• Bluetooth Pairing Problems: Ensure Bluetooth is enabled on both the unit and your smartphone. Try restarting both devices and attempting to pair again.
• Unit Not Powering On: Check all power connections, including the main power harness and the vehicle's battery connection. Ensure the vehicle's ignition is on.

9. User Tips

• Regular Software Updates: Check for available software updates periodically to ensure optimal performance and access to new features.
• Screen Cleaning: Use a soft, lint-free cloth specifically designed for electronics to clean the IPS screen. Avoid harsh chemicals.
• Customizing UI: Explore the settings to change wallpapers and rearrange app icons to personalize your user interface.
• Offline Maps: Download offline maps for your frequently traveled areas to ensure navigation even without internet access.
• DSP Settings: Experiment with the 16-band EQ and sound effect adjustments in the DSP settings to find your preferred audio profile.

10. Warranty & Support

The Erisin ES6527A Car Stereo Multimedia Player comes with a 1-year warranty from the date of purchase, covering manufacturing defects. For technical support, warranty claims, or further assistance, please contact your retailer or the Erisin customer service department. Please have your product model number (ES6527A) and proof of purchase ready when contacting support.