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Boss Audio BV9979B Support Question

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Question posted by Mathias252525 on November 27th, 2020

Brand New Bv9979b No Audio After Installation

brand new stereo and we hooked up speaker wires to the same color wire and we have no sound at all

Current Answers

Answer #1: Posted by INIMITABLE on November 28th, 2020 5:43 AM
This answer was accepted by the poster of the original question.
INIMITABLE

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Typically when a car stereo produces no sound it's usually caused by a shorted or grounded wire, defective speakers, faulty head unit/fuses, or setup is not yet complete with your radio unit.


I hope this is helpful? PLEASE "ACCEPT" and mark it "HELPFUL" to complement my little effort. Hope to bring you more detailed answers

-INIMITABLE

Related Boss Audio BV9979B Manual Pages

User Manual - Page 2

To ensure safety while driving and to comply with laws, drivers should not watch video or operate the video device while driving.
User Manual - Page 3

... 11 Setting disc 12 Setting radio 12 Setting bluetooth 12 Setting wallpaper 12 Version about 12 Setting time 12 Setting audio mode 12 Setting video mode 13 Setting OSD language 13 Setting illumination color 13 TFT display calibration 13 Rear View Camera 13 Control Panel 14 Unit keys 14 Radio Operation 17 Listening...
User Manual - Page 4

...AUDIO MULTIMEDIA PLAYER . Before operating the unit, read the following precautions before installing and operating the unit . ON INSTALLATION DO NOT install any receiver while manipulating the steering wheel, as this manual thoroughly and keep it handy for future reference . If your car...wire is connected to the parking brake system built in your car...operation of safety devices such as ...
User Manual - Page 5

...VIDEO PLAYER USES A VISIBLE/INVISIBLE LASER BEAM WHICH COULD CAUSE . USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.DO NOT OPEN COVERS AND DO NOT REPAIR YOURSELF. THIS DEVICE...by Macrovision Corporation. If the Region number described on a Digital Video disc. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, AND...
User Manual - Page 6

... with Rough Spots A new disc may have rough edges on its case when not in advance by this player Digital Video-RAM CDV CDG Handling and Cleaning Dirt, dust, scratches and warping disc will not play the disc. Label side up CD MP3 CD MP3 Audio Disc size 12 cm Audio Disc size 12...
User Manual - Page 7

...: Choose the mounting location where the unit will not interfere with your nearest dealer if installation requires the drilling of holes or other modifications of the vehicle. Before finally installing the unit, connect the wiring temporarily and make sure it is a sudden stop, like an emergency stop. Consult with the normal driving function...
User Manual - Page 8

Installation Installing the unit HEX NUT SPRING WASHER PLAIN WASHER TAPPING SCREW DASH BOARD METAL MOUNTING STRAP CONSOLE SLIDE BRACKET HOUSING HEX BOLT TABS SCREWDRIVER KEY PLATE ...
User Manual - Page 15

... TREBLE: -7 to 32 Adjust if the picture is placed on the housing Adjust sound balance between front and rear speakers . ILLUMINATION COLOR Touch to L 0-10 Reset Factory Settings RESET button is too bright or too dark. EQ: touch to select audio mode as follow: USER -> JAZZ -> CLASSIC -> POP -> ROCK CALIBRATION Touch the arrow as...
User Manual - Page 17

... and hold for more than 2 seconds, the stations currently being listened to transfer audio between the Car Audio System and phone; MUTE BUTTON Press it again to cancel the mute function. During...your desired station beginning from the current frequency; USB PORT For information about connecting a USB device, please see USB operation. 8-13. During DVD/VCD/CD disc playing, press 4/STOP button...
User Manual - Page 18

... BUTTON Press this AUX jack in order to eject the disc.. 16. REL BUTTON Press it to have audio output of the device through the unit 15. (EJECT) BUTTON Insert the disc, label side facing up, until the mechanism senses...window 18. Press it to factory settings. 20. Control Panel 14. AUXILIARY INPUT JACK Insert an external device to this button to return to detachable the front panel. 17.
User Manual - Page 21

...frequency for a short time for a short time and the message "NEW FREQUENCY " is displayed for each AF frequency depends on the signal ...type of the TA Function: If you can only be displayed by your car radio . When PTY has been selected the radio to switch the TA... off the TA mode . Touch Screen Operation PI MUTE : the sound of the station that has been tuned into . After the traffic ...
User Manual - Page 26

... playback, touch the AUDIO section of the subtitle language changes in sequential order . Multi-Angle Function (for Digital Video Only) 3. When no different subtitle language are recorded " INVALID KEY " will be display at screen left top corner. 4. MONO LEFT MONO RIGHT STEREO MIX-MONO -24- It can switch between monaural and stereo sound. It is...
User Manual - Page 28

... PHONE interface as follows: icon during playing : Same as MUTE button. & : Same as follows: * Prior to the car audio system whenever a call (1) Dial with mobile phone directly; (2)Dial with the bluetooth device Boss Audio of the car A/V system, Confirm it ; enabled mobile phone, place the bluetooth-enabled mobile phone no more than 3 meters from the...
User Manual - Page 29

...sound. * * / # icons and buttons they perform as follows: USER SWF BT MUSIC -27- Use the number icons or buttons to input your device During phone talking using the bluetooth hands-free system of the car...call When ending a call, touch icon or use button. 5) Switch the audio between the unit and your device. 6) Adjusting the volume during a call , the incoming telephone number displays ...
User Manual - Page 30

... to switch BLUETOOTH off . -28- The Boss Audio supports A2DP, which enables the user to stream audio from their device 3) The bluetooth device of the car A/V system supports AVRCP, so these icons on the... and off Switching on remote control are available for audio/video playback of your mobile phone with the bluetooth function to play audio/video, if it is available only for some mobile phone...
User Manual - Page 31

... stereo jack (3.5mm)plug the Aux in socket . Tap to select subwoofer frequency. Tap to turn LOUD on and off . You now hear the sound from the external device played back through the loudspeakers . Please connect the external device with bluetooth function). Turning pre-switching for the Audio connect, if you want to connect the Video...
User Manual - Page 32

... subwoofer frequency. Tap to adjust audio volume. Turning pre-switching for traffic announcements on and off Switching on the remote control. Tap to select EQ as follow: Tap to BT PHONE mode. (after pairing and connecting a mobile phone with lows, drivers should not watch video or operate the video device while driving. 10:00AM...
User Manual - Page 33

...memory cards . Touch Screen Operation USB OPERATION Following the diagram below, connect your USB device to detachable the panel Label side facing upward 10:00 AM 10:00 AM 1 SONG...WEDDING MOV03247.MPG CIMG3080.MOV 2 3 4 1 Current type (highlighted bar) . 2 Audio play mode select. 3 Picture play mode select. 4 Movie play mode select, 5 Current play track . 2 3 4 ...
User Manual - Page 37

...Audio Signal Output: Characteristics: 12V DC (11V-15V) Less than10 A Compositive video 1.0Vp-p 75 (1)DIGITAL-VIDEO Disc 5"(12 cm) single-sided, single-layer 5"(12 cm) single-sided, double-layer (2)Compact Disc (CD-DA, VIDEO... 15dBu AM 530 to1710 KHz 450 KHz 40 dBu TFT Monitor: Monitor Screen Size: Color System: 7 Inch Wide NTSC/PAL BLUETOOTH: Bluetooth specification: V1.2 Class 2 Bluetooth ...
User Manual - Page 38

... to play a or defective new one Disc can not be displayed. SYMPTOM CAUSE SOLUTION No power The car ignition switch is not on the...car Cool off or until the ambient is too high temperature return to normal Video/image appears black-white The color system is set used (PAL/NTSC) Please choose a proper color system. Troubleshooting Before going through the check list, check wiring...

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