1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your BOSS Audio Systems BV7986 4.5-Inch Widescreen Touchscreen TFT Monitor DVD MP3 CD Receiver. Please read this manual thoroughly before using the product to ensure proper operation and to prevent damage. Keep this manual for future reference.

Figure 1: Front view of the BOSS Audio Systems BV7986 In-Dash Receiver, showing the 4.5-inch widescreen touchscreen display and control buttons.
2. Setup and Installation
Proper installation is crucial for optimal performance. If you are unsure about any part of the installation process, it is recommended to seek professional assistance.
2.1 Safety Precautions
- Disconnect the vehicle's negative battery terminal before installation to prevent electrical shorts.
- Ensure all wiring is properly insulated to prevent short circuits.
- Do not install the unit where it will obstruct the driver's view or interfere with vehicle operation.
- Connect the parking brake wire as instructed to enable video playback only when the vehicle is safely parked.
2.2 Wiring Diagram Overview
Refer to the detailed wiring diagram provided with your product packaging for specific connections. Below is a general overview of common connections:
- Yellow Wire: Constant 12V (Battery)
- Red Wire: Switched 12V (Ignition/ACC)
- Black Wire: Ground
- Orange Wire: Illumination
- Blue Wire: Power Antenna/Amplifier Remote Turn-On
- Green/Purple/White/Gray Wires: Speaker Outputs (Front Left, Front Right, Rear Left, Rear Right)
- Light Green Wire: Parking Brake Input (for video safety interlock)
- RCA Jacks: Audio/Video Inputs and Outputs
Note: Always match wire colors and functions carefully. Incorrect wiring can damage the unit or vehicle electrical system.
2.3 Mounting the Unit
- Remove the existing car stereo from the dashboard.
- Connect all necessary wiring harnesses to the BV7986 unit.
- Slide the BV7986 into the DIN opening until it clicks into place.
- Secure the unit using the provided mounting screws or brackets.
- Reconnect the vehicle's negative battery terminal.
- Test all functions before fully reassembling the dashboard.
3. Operating Instructions
This section covers the basic functions and controls of your BV7986 receiver.
3.1 Power On/Off and Volume Control
- Power Button: Press to turn the unit on. Press and hold to turn the unit off.
- Volume Knob/Buttons: Rotate the knob or press the +/- buttons to adjust the audio volume.
3.2 Source Selection
Press the "MODE" or "SOURCE" button to cycle through available audio/video sources such as DVD, CD, MP3, Radio (AM/FM), AUX Input, and USB (if applicable).
3.3 Radio Operation
- Band Selection: Press "BAND" to switch between FM1, FM2, FM3, and AM1, AM2.
- Seek/Tune: Use the "SEEK" or arrow buttons to automatically search for strong stations. Press and hold to manually tune.
- Preset Stations: To save a station, tune to the desired frequency, then press and hold a preset number button (1-6) until you hear a beep.
3.4 DVD/CD/MP3 Playback
- Insert a DVD, CD, or MP3 disc into the disc slot. The unit will automatically detect the disc and begin playback.
- Play/Pause: Press the "PLAY/PAUSE" button on the unit or touchscreen.
- Track Skip: Use the "NEXT" or "PREVIOUS" buttons to skip tracks/chapters.
- Fast Forward/Rewind: Press and hold the "NEXT" or "PREVIOUS" buttons.
- Menu: For DVDs, press the "MENU" button to access the disc menu.
Note: Video playback is only available when the vehicle's parking brake is engaged, as per safety regulations.
3.5 Touchscreen Interface
The 4.5-inch widescreen touchscreen allows for intuitive control of various functions. Tap icons or buttons on the screen to navigate menus, select sources, adjust settings, and control playback. Refer to the on-screen interface for specific options available in each mode.
4. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your BV7986 receiver.
4.1 Cleaning the Unit
- Screen: Use a soft, lint-free cloth slightly dampened with water or a screen cleaning solution. Do not use abrasive cleaners or solvents.
- Front Panel: Wipe with a soft, dry cloth.
- Disc Slot: Avoid inserting foreign objects. If a disc gets stuck, refer to the troubleshooting section or contact support.
4.2 General Care
- Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Do not attempt to disassemble the unit. This will void the warranty and may cause damage.
- Ensure proper ventilation around the unit to prevent overheating.
5. Troubleshooting
Before contacting customer support, please refer to the following common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Blown fuse; incorrect wiring; loose connection. | Check vehicle's fuse box and the unit's fuse. Verify all power wires (Yellow, Red, Black) are correctly connected and secure. |
| No sound | Volume too low; mute activated; incorrect speaker wiring; amplifier issues. | Increase volume. Check if mute is active. Verify speaker connections. If using an external amplifier, check its power and connections. |
| Disc error / Disc not playing | Dirty or scratched disc; incompatible disc format; disc inserted incorrectly. | Clean the disc with a soft cloth. Try a different disc. Ensure the disc is inserted correctly with the label side up. |
| Video not displaying | Parking brake not engaged; incorrect video input selected. | Ensure the vehicle's parking brake is fully engaged. Verify the parking brake wire is correctly connected. Select the correct video source. |
| Touchscreen unresponsive | Temporary software glitch; screen calibration needed. | Turn the unit off and on again. If the issue persists, consult the full manual for screen calibration instructions (if available). |
6. Specifications
Key technical specifications for the BOSS Audio Systems BV7986 receiver.
- Model Number: BV7986
- Display: 4.5-Inch Widescreen Touchscreen TFT Monitor
- Control Method: Touch
- Media Playback: DVD, MP3, CD
- Chassis Size: Full-DIN
- Product Dimensions: 4.63 x 7.08 x 2 inches
- Item Weight: 4.63 pounds
- Power Source: Corded Electric (12V DC vehicle power)
- Special Feature: Touchscreen
- Mounting Type: Flush Mount
- GTIN/UPC: 791489250146
- Manufacturer: Boss Audio
- Date First Available: September 14, 2004
7. Warranty and Support
BOSS Audio Systems products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official BOSS Audio Systems website. Keep your purchase receipt as proof of purchase.
For technical assistance or customer support, please contact BOSS Audio Systems directly through their official channels. Do not attempt to service the unit yourself, as this may void your warranty.
Online Support: www.bossaudio.com/support





