Boss Audio Systems BV99821 user manual Trouble Shooting, No Sound but Picture OK

Models: BV99821

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6. Trouble Shooting

Please read the user’s manual carefully before using the DVD player. If you have any troubles in using this player, try to solve the problems by the suggestions mentioned below. If you can not remove the trouble after using all the suggestions, please contact the company or the technical service center authorized by us. For the sake of your safety, please do not open the cover and attempt to repair the player yourself.

NO PICTURE, SOUND AND INDICATION * Ensure that the power switch is on.

NO SOUND BUT PICTURE OK

*Ensure that the player’s audio output has a good connection with monitor’s audio input.

*Check whether the audio connector is damaged.

*Check whether you have turned down the volume.

*Ensure that you have set the right AUDIO setup of the player.

*Ensure that the audio is not muted.

NO PICTURE BUT SOUND OK

*Ensure that the player’s video output has a good connection with monitor’s video input.

*Ensure that you have turned your monitor to the AV input channel connecting to your player.

*Check whether the video connector is damaged.

*Ensure that you have set the right VIDEO settings of the player.

BLACK AND WHITE PICTURE OR SCREEN ROLLING

* Ensure that you have set the right TV SYSTEM (e.g. PAL, NTSC) setting.

FLAWS OF PICTURE OR SOUND

*Check whether the AUDIO settings are correct.

*Check whether the disc is scratched or stained.

*Check whether the AV connectors and the output terminals are damaged.

*Check whether there is condensation inside the Lens. If so, leave the player off for an hour or so, then try again.

*Check whether the installation angle is less than 30°.

DISPLAY NO DISC OR BAD DISC

*Ensure that you have loaded a disc .

*Check whether the disc is put in the reverse side.

*Check whether the disc is distorted.

*Check whether the disc is stained or scratched badly.

*Ensure that the disc format is compatible to the player.

*Ensure that the temperature inside the car is not too high. If so, cool off till the ambient temperature returns to normal.

*Replace another disc to insert it into the disc compartment.

REMOTE CONTROL IS INSENSITIVE OR DOES NOT WORK

*Check the batteries of remote control and make sure that they are not flat.

*Direct the remote control to the IR sensor of the player.

*Check whether there are some obstacles between the remote control and IR sensor.

SOME FUNCTION BUTTONS DO NOT WORK

*Turn off the power, then turn on again.

*Reset the unit to zero, then turn on again.

*Remove the front panel from the unit, then install it again and then turn on again.

THE RADIO DOES NOT WORK

* Check whether the antenna cable is connected firmly. Or manually tune for a station.

1.3Maintenance and Cleaning of Discs Disc Maintenance

1.To keep the disc clean, handle the disc by its edge, do not touch the disc surface of the play side.

2.Do not stick paper or tape on the disc. If there is glue or dirt on the disc surface, you must wipe it off before using.

3.Do not expose the disc to direct sunlight, or nearby heat sources such as caliduct, or leave it in a car parked in direct sunlight where there can be a considerable rise in temperature.

4.Put the disc inside disc case to keep temperature after finishing playback.

Disc Cleaning

1.Before playing, wipe the disc with a clean lint. wipe the disc outwards from the disc center.

2.Do not use petrol, thinners, commercial cleaners or anti-static spray which can damage the unit.

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Fig.3

1.4 Battery Information of the Remote Control

Replace Battery in the Remote Control:

1.Before using the remote control for the first time, pull the insulating sheet out of the remote control as the direction indicated by the arrow.(see fig.1)

2.Press the movable block hold as the direction indicated by the A arrow (See fig.2), then pull the battery holder out of the remote control as the direction indicated by the B arrow(see fig.2).

3.Replace the old battery by a new battery with (+) polarity side upward. (See fig.3).

4.Insert the battery holder to the original position in remote control. (See fig.3).

Note about the Battery of the Remote Control:

1.Improper use of battery may cause overheating or explosion. so that Result in injury or fire .

2.Battery leakage may cause damage to the remote control(Battery Life: 6 months with normal use in normal room temperature).

3.Do not short the battery.

4.Do not throw the battery into the fire.

5.To avoid the risk of accident, keep the battery out of reach of children.

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Boss Audio Systems BV99821 user manual Trouble Shooting, No Sound but Picture OK