1. Introduction
This user manual provides detailed instructions for the installation, operation, and maintenance of your GOJOHO 7-inch IPS Touchscreen Car Stereo. Please read this manual thoroughly before using the product to ensure proper functionality and safety. Keep this manual for future reference.
2. Product Overview
2.1 Key Features
- 7-inch HD IPS Touchscreen Display (1280x720 resolution)
- Android 12 Operating System
- 4-Core 1.2Ghz Processor, 2GB RAM + 32GB ROM
- Wireless and Wired Apple CarPlay & Android Auto support
- Built-in GPS Navigation (supports Google Maps, Waze, etc.)
- Bluetooth for hands-free calling and music streaming
- FM Radio with station memory
- Steering Wheel Control compatibility
- Rear View Camera input support
- Customizable UI Themes
- Dual USB ports
2.2 What's in the Box
The package includes the following components:
- 1 × Android Device (Main Unit)
- 1 × Plastic Panel
- 1 × Main Power Cable
- 1 × RCA Cable
- 1 × Camera Cable
- 1 × Original USB Adapter
- 2 × USB Cables
- 1 × Radio Antenna Cable
- 1 × CANbus Cable
- 1 × GPS Antenna
- 1 × CANbus Box
- 1 × User Manual
- 1 × Installation Tool
Image: Detailed view of all components included in the GOJOHO car stereo package, such as the main head unit, ISO wiring harness, RCA cables, camera cable, USB cables, radio antenna, CANbus box, GPS antenna, and an installation tool.
3. Setup and Installation
Installation of the GOJOHO car stereo requires careful attention to wiring and vehicle-specific considerations. It is recommended to consult a professional for installation if you are not familiar with car audio systems.
3.1 Pre-Installation Checklist
- Ensure the vehicle's ignition is off and the battery is disconnected.
- Verify all included components are present.
- Identify the vehicle's original wiring harness and dashboard layout.
- For some car models, manual wiring may be required for steering wheel controls.
3.2 Installation Steps (General)
- Carefully remove the original car stereo unit from your vehicle's dashboard.
- Connect the provided ISO Wiring Harness to the car stereo and the vehicle's wiring.
- Connect the RCA Cable, Camera Cable (if installing a rear camera), USB Cables, Radio Antenna Cable, CANbus Cable, and GPS Antenna to their respective ports on the car stereo.
- Integrate the CANbus Box as per your vehicle's requirements to ensure proper communication with the car's systems.
- Mount the new GOJOHO car stereo securely into the dashboard opening.
- Reconnect the vehicle's battery and test the unit's functionality.
Note: If you encounter difficulties or if steering wheel controls do not function after installation, please refer to the troubleshooting section or contact customer support. It is recommended to search for vehicle-specific installation videos on platforms like YouTube for visual guidance.
Image: A side-by-side comparison illustrating the car's dashboard before and after the installation of the GOJOHO 7-inch car stereo, demonstrating the integrated fit.
4. Operating Instructions
4.1 Initial Setup and UI Customization
Upon first power-on, the system will boot up. You can customize the user interface (UI) themes by downloading compatible applications from the Google Play Store.
Video: This video demonstrates various UI features of the car stereo, including changing themes, navigating through settings, and accessing different applications like Bluetooth, Music, GPS Navigation, Video playback, Radio, EQ Sound Adjustment, Steering Wheel Controls, and Carplay connection. The video shows the responsiveness of the touchscreen and the visual layout of the Android interface.
4.2 Apple CarPlay & Android Auto
The unit supports both wireless and wired Apple CarPlay (for iPhone 5 and later) and Android Auto (for Android phone 11.0 and later). This feature allows seamless integration of your smartphone for navigation, calls, messages, and music.
- Wireless Connection: Enable Bluetooth on your phone and pair it with the car stereo. Then, tap the "Car-Link" icon on the stereo's main screen to initiate CarPlay or Android Auto.
- Wired Connection: Connect your smartphone to the stereo using the provided 6-pin USB cable. The system should automatically detect and launch CarPlay or Android Auto.
Image: The car stereo screen displaying the Apple CarPlay interface on the main unit, with smaller inset images showing a phone's navigation display and an Android Auto interface, highlighting the built-in Carplay function.
4.3 GPS Navigation
The car stereo has a built-in GPS function. You can install various navigation applications such as Google Maps, Waze, iGO, or Sygic for online and offline map support.
Image: The car stereo screen showing a detailed GPS navigation map, indicating current speed, distance to destination, and estimated time of arrival. Logos for Navitel, iGO, Sygic, and Google Maps are displayed, signifying compatibility.
4.4 Bluetooth Connectivity
Connect your smartphone via Bluetooth for hands-free calling, accessing your phonebook, and streaming audio directly to the car stereo.
- To pair: Go to the Bluetooth settings on the stereo and your phone. Select the stereo's Bluetooth name from your phone's available devices and confirm the pairing.
- Once paired, you can make/receive calls and play music through the stereo.
Image: The car stereo screen showing the Bluetooth interface, including a dial pad for making calls and a music playback screen. A smartphone is depicted with active Bluetooth signals, illustrating the hands-free calling and music streaming capabilities.
4.5 FM Radio
Access FM radio stations and save your favorite frequencies for quick access. The display shows radio station names and album covers where available.
- Navigate to the "Radio" application on the main screen.
- Use the tuning controls to find desired stations.
- Long-press a preset button (P1-P6) to save the current station.
Image: The car stereo screen showing the FM radio interface with a large frequency display (87.5 MHz), tuning controls, and six preset buttons. An inset image shows a USB DAB+ dongle, indicating optional DAB+ functionality.
4.6 Steering Wheel Control (SWC)
The unit supports programming and customizing your car's original steering wheel control buttons for convenient operation. A plug-and-play wired harness is supplied, though some vehicles may require manual wiring.
- Access the "Steering Wheel Control" settings in the system menu.
- Follow the on-screen instructions to assign functions (e.g., volume up/down, track skip, mode change) to your steering wheel buttons.
Image: The car stereo screen showing the "Steering Learn" interface within the settings, allowing users to program steering wheel controls. A car's steering wheel with control buttons is visible in the foreground, emphasizing the integration.
4.7 Rear View Camera
The system supports RVA AV connector type rear view camera signal input. It automatically switches to the parking image when reverse gear is engaged, enhancing safety during parking maneuvers. A standard definition reversing camera is included in the package.
Image: The car stereo screen displaying a rear view camera feed with dynamic parking guidelines overlaid on the image of a parking lot. An inset image shows the included standard definition reversing camera, noting that an extra HD reverse camera is optional.
4.8 Multimedia Playback
The unit supports 1080P video playback and various audio formats. You can play media from local storage (internal 32GB ROM) or connected USB devices.
- Access "Music" or "Video" applications from the main menu.
- Browse and select media files from connected storage.
- The system also features a Digital Sound Processor (DSP) for enhanced audio quality and customizable EQ settings.
Image: The car stereo screen displaying the Digital Sound Processor (DSP) interface, showing various sound settings and an adjustable equalizer with frequency bands, allowing for fine-tuning of audio output.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your car stereo.
- Screen Cleaning: 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 abrasive materials or harsh chemicals.
- Software Updates: Periodically check for system software updates to ensure optimal performance, security, and access to new features. Updates can typically be found in the system settings under "About device" or "System updates."
- Ventilation: Ensure the unit's ventilation areas are not obstructed to prevent overheating.
- Cable Connections: Occasionally check all cable connections to ensure they are secure and free from damage.
6. Troubleshooting
If you encounter issues with your GOJOHO car stereo, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Loose power connection, blown fuse, vehicle battery issue. | Check power cables and connections. Inspect vehicle fuses. Ensure car battery is charged. |
| No sound output. | Volume too low, mute activated, speaker wiring issue, incorrect audio source. | Increase volume. Check if mute is active. Verify speaker connections. Select correct audio source. |
| GPS signal weak or inaccurate. | GPS antenna not properly installed or obstructed. | Ensure GPS antenna is mounted in a clear location with an unobstructed view of the sky. Check antenna connection. |
| Bluetooth connection issues. | Phone not discoverable, incorrect pairing, interference. | Ensure Bluetooth is enabled on both devices. Delete previous pairings and re-pair. Move closer to the unit. |
| Steering Wheel Controls not working. | Incorrect wiring, programming error, CANbus issue. | Verify SWC wiring. Re-program controls in settings. Check CANbus box connection. |
| CarPlay/Android Auto not connecting. | Incorrect cable, phone software outdated, app not installed. | Use original or certified USB cable. Update phone OS. Ensure CarPlay/Android Auto app is installed and updated. |
If the problem persists after attempting these solutions, please contact GOJOHO customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model | B0C77YP1RF |
| Display Size | 7 Inches |
| Resolution | 1280 x 720 (HD IPS Touchscreen) |
| Operating System | Android 12 |
| Processor | 4-Core 1.2Ghz |
| RAM | 2GB |
| ROM (Internal Storage) | 32GB |
| Connectivity | Wireless, Bluetooth, Wi-Fi, USB |
| Special Features | Touchscreen, Bluetooth, CarPlay, Android Auto, GPS Navigation, Steering Wheel Control, Rear Camera Input, DSP |
| Audio Output Mode | Stereo |
| Mounting Type | Dashboard Mount |
| Item Weight | 3 pounds |
| Product Dimensions | 12 x 11 x 4.5 inches |
| Country of Origin | China |
8. Warranty and Support
8.1 Warranty Information
The GOJOHO 7" IPS Touchscreen Car Stereo comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, accident, misuse, abuse, negligence, or unauthorized modification.
Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact GOJOHO customer support. Refer to the contact information provided with your product packaging or visit the official GOJOHO website.
When contacting support, please have your product model number (B0C77YP1RF) and purchase date ready.