1. Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your CHSTEK 8-inch Carplay Android Multimedia Player. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
This multimedia player is designed for specific Volvo models:
- Volvo XC70 (2005 - 2009)
- Volvo V70 (2005 - 2009)
- Volvo S60 (2005 - 2009)
- Volvo S40 (2005 - 2009)
- Volvo V40 (2005 - 2009)
2. Installation and Wiring
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation.
2.1. Product Components
2.2. Wiring Diagrams
Refer to the specific wiring diagram for your unit's CPU variant (818, 8581/7862/Qualcomm, or 8667). Incorrect wiring can damage the unit or vehicle electronics.
2.2.1. 818 CPU Variant Wiring
Connections for 818 CPU Variant:
- ISO Wiring Harness (CANBUS optional)
- RX TX Port (for Harness CAN optional) - 8P
- Radio Antenna Port
- GPS Antenna
- BackUp Camera Input, WiFi/BT Antenna - 10P
- AUX Video IN (CVBS)
- AUX L IN, Audio Input Left
- AUX R IN, Audio Input Right
- Subwoofer Output
- Amplifier Control
- Left Sounds Channel Out
- Rear Sounds Channel Out
- USB-16P
- USB-24P
Wire Color and Specification (818 CPU Variant):
| Number | Name of wire | Color of the wire | Specification |
|---|---|---|---|
| 1 | GND (ground cable) | black | AWG:16# |
| 2 | BATT (power cable) | yellow | AWG:16# |
| 3 | ACC cable | red | AWG:20# |
| 4 | ILL (little light cable) | orange | AWG:20# |
| 5 | BACK-CON (back car cable) | brown | AWG:20# |
| 6 | SWC2 (steering wheel learning cable II) | white | AWG:20# |
| 7 | SWC1 (steering wheel learning cable I) | black | AWG:20# |
| 8 | ANT (Antenna control cable) | blue | AWG:20# |
| 9 | FR - (front right speaker cathode) | grey black | AWG:20# |
| 10 | RL - (back left speaker cathode) | green black | AWG:20# |
| 11 | FR + (front right speaker anode) | grey | AWG:20# |
| 12 | RL + (back left speaker anode) | green | AWG:20# |
| 13 | FL - (front left speaker cathode) | white black | AWG:20# |
| 14 | RR + (back right speaker anode) | purple | AWG:20# |
| 15 | FL + (front left speaker anode) | white | AWG:20# |
| 16 | RR - (back right speaker cathode) | purple black | AWG:20# |
2.2.2. 8581/7862/Qualcomm CPU Variant Wiring
Connections for 8581/7862/Qualcomm CPU Variant:
- ISO Wiring Harness (CANBUS Optional)
- RX TX Port (for Harness CAN Optional) - 8P
- 8581/7862 360 Panorama Camera Optional - 12P
- Radio Antenna Port
- GPS Antenna
- 4G Antenna
- BackUp Camera Input, WiFi/BT Antenna - 10F
- USB-16P
- USB-24P
- Front R Out, Front Right Channel Output
- Front L Out, Front Left Channel Output
- Subwoofer Output
- AUX R In, Audio Input Right
- AUX L In, Audio Input Left
- AUX Video In (CVBS)
- External Microphone Port
- Amplifier Control
- 4G SIM Card Slot
2.2.3. 8667 CPU Variant Wiring
Connections for 8667 CPU Variant:
- ISO Wiring Harness (CANBUS optional)
- RX TX Port (for Harness CAN optional) - 8P
- Radio Antenna Port
- 4G SIM Card Slot
- External Microphone Port
- AUX Video IN (CVBS)
- AUX L IN, Audio Input Left
- AUX R IN, Audio Input Right
- Front L Out, Front Left Channel Output
- Front R Out, Front Right Channel Output
- Subwoofer Output
- USB-2 4P
- USB-1 6P
- Back Up Camera Input, WiFi/BT Antenna - 10P
- 4G Antenna
- GPS Antenna
2.3. 360 Camera Installation (Optional)
If your unit supports the optional 360 Panorama Camera, follow the wiring diagram below. This system provides a comprehensive view around your vehicle.
3. Operating Instructions
3.1. Basic Navigation
The unit features an intuitive touch screen interface. Swipe left/right to navigate between app screens. Tap icons to launch applications.
3.2. Wireless CarPlay & Android Auto
Connect your smartphone wirelessly for seamless integration of CarPlay or Android Auto. Access navigation, music, calls, and messages directly from the unit's display.
- Wireless CarPlay: For iPhone users.
- Wireless Android Auto: For Android users.
3.3. Navigation (GPS)
The unit supports various navigation programs and online maps, including iGO, Navitel (for Russian/Ukrainian customers), Google Maps, and Waze. Ensure the GPS antenna is properly connected for optimal signal reception.
3.4. Bluetooth & Music
Connect your phone via Bluetooth for hands-free calling and audio streaming. The unit supports FM/AM/RDS radio functionality.
3.5. Video Playback
Enjoy a wonderful visual feast with support for 1080P/4K video playback.
3.6. Steering Wheel Control
The unit supports steering wheel controls, allowing you to manage functions without taking your hands off the wheel.
3.7. 4G LTE & WiFi
Connect to the internet via built-in WiFi or an optional 4G LTE module (not included in 1+16/1+32GB versions) for more comfortable and convenient online access.
3.8. DSP Amplifier & EQ
The unit features a built-in DSP amplifier with 32/48 BAND EQ (ROHM32107 DSP) for enhanced audio customization.
3.9. Split-Screen Mode
Utilize the split-screen mode to run two applications simultaneously, such as navigation and music playback.
4. Maintenance
- Cleaning: Use a soft, dry cloth to clean the screen and unit. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check for software updates to ensure optimal performance and access to new features. Updates can typically be found on the manufacturer's website or through the unit's settings.
- Temperature: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or high humidity.
5. Troubleshooting
- No Power: Check all power connections, including the BATT (yellow) and ACC (red) wires. Ensure the vehicle's fuse for the stereo is intact.
- No Sound: Verify speaker connections. Check amplifier control wire (if applicable). Ensure volume is not muted or set too low. Check audio output settings.
- GPS Signal Issues: Ensure the GPS antenna is properly connected and placed in a location with a clear view of the sky.
- Bluetooth Connection Problems: Ensure Bluetooth is enabled on both the unit and your smartphone. Try unpairing and re-pairing the devices.
- Touch Screen Unresponsive: Try restarting the unit. If the issue persists, a factory reset might be necessary (refer to the 'Settings' menu).
- CarPlay/Android Auto Not Connecting: Ensure your phone's software is up to date. Check the USB cable if using wired Android Auto. Verify Bluetooth connection for wireless CarPlay/Android Auto.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Sadocom |
| Model Name | 7002 |
| Operating System | Android 14.0 (or Android 13/12 depending on variant) |
| Chipset | Qualcommn/UIS7862 (various CPU options: 818 TS7, 8581 TS18, 7862 TS10, MTK8667, Qualcomm 6125) |
| Processor Speed | fast (e.g., 1.3 GHz, 1.6 GHz, 1.8 GHz, 2.0 GHz depending on CPU) |
| RAM | 2GB, 4GB, 6GB, 8GB, 12GB (depending on variant) |
| ROM | 32GB, 64GB, 128GB, 256GB (depending on variant) |
| Max External Memory | 256G |
| Display Size | 8" |
| Resolution | 1024*600 |
| Screen Type | IPS Touch Screen |
| Out Power | 4*50W / 4*45W |
| Voltage | 12 V |
| Item Weight | 3.49kg |
| Material Type | ABS, Plastic Steel |
| Interface | USB, RCA |
| Special Features | Wifi function, Support steering wheel control, Support 3G/4G Network, Support Can-Bus, Built-in GPS, Charger, Mobile Phone, MP3 players |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Multi-language support including English, German, French, Spanish, Italian, Russian, etc. |
| Certification | CE |
6.1. Package Dimensions and Weight
- Length: 25 cm
- Width: 14 cm
- Height: 16 cm
- Weight: 3.49 kg
7. User Tips
- Screen Protection: Consider applying a screen protector to prevent scratches and maintain the display's clarity.
- Regular Updates: Keep the system software updated to benefit from performance improvements and new features.
- GPS Accuracy: For best GPS performance, ensure the GPS antenna is mounted in a location with an unobstructed view of the sky.
- Audio Customization: Experiment with the built-in DSP amplifier and EQ settings to fine-tune the audio output to your preference.
8. Warranty and Support
8.1. Warranty
This product comes with a One Year Factory Warranty (accessories not included). The warranty may be voided under the following conditions:
- Damage caused by undue wear & tear, dirt, misused, improper installation or operation, neglect, accident.
- Any damages caused by improper packaging when buyers return the item to us.
- If the item was disassembled or repaired by unauthorized person.
8.2. Additional Resources
For further assistance, you may refer to the official user manual PDF available online: View User Manual (PDF)