Question about JVC KD-DV4200 Car DVD Player

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DRIVER MUST NOT WATCH THE MONITOR WHILE DRIVING APPEARS ON SCREEN WHEN TRYING TO PLAY A DVD AND THE TROUBLESHOOTING MANUAL SAYS THAT PARKING BRAKE IS NOT ENGAGED BUT WHEN I ENGAGE THE BRAKE THE SCREEN DOES NOT CLEAR

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Posted on Jan 02, 2017

  • 14 Answers

SOURCE: Bypassing the parking brake safety

This is illegal to do in many states so it is not recommended that you bypass the saftey feature and can result in you being ticketed and fined. On this unit, for testing purposes, you would ground the parking brake wire and the screen should come on and stay on.

Posted on May 07, 2007

j_del
  • 1586 Answers

SOURCE: jensen double din dvd monitor uv8020

Here's what you need to know: DVD head units have one extra wire in their wiring harnesses, compared to a standard CD head unit. On the Jensen, it's a peach-colored wire, and is the activation wire for the DVD feature. During the installation, the instructions call for this wire to be tapped into the emergency brake indicator light wire. The reason is this:

The e-brake indicator light is what is called a "ground complete" circuit. That means that the bulb always has power applied, but when you pull the brake, that puts a ground to the wire and completes the circuit, allowing it to illuminate. The head unit sees this ground, and activates the DVD player.

In mine, I simply ran this wire to a ground (I used a screw near the fuse box), and I put a switch on the wire, so I could break the ground contact at will. Jensen calls for a procedure to activate DVD playback. In their instructions, they tell you to select DVD from the option menu, and when the "lawyer screen" comes up (the one warning you to park before you watch a movie), you release the e-brake for 3-5 seconds, and then reapply it. To simulate that with the switch I used, I leave the switch closed (activated), and select DVD. Then I flip the switch "off" for 3-5 seconds, and flip it back "on". This tricks the head unit into thinking I put the e-brake off for a few seconds and then put it back on, and the movie will start. Then I can drive away.

Basically, ground the wire that is used for DVD activation, and put a switch inline on it. Then you can break and reapply the ground in the manner of the e-brake cycle I mentioned earlier.

Posted on Sep 13, 2008

  • 1 Answer

SOURCE: Jensens VM 9312 car DVD player problem

Just go to the set up menu ( Your screen should say setup at the upper center of your screen ) Then press 5, 4, 3, 2, 1, 0 with your remote control and a second menu will apear, on your left side press the second option and select parking bypass to on.

Posted on Oct 13, 2008

  • 957 Answers

SOURCE: cant play dvd says parking brake on screen

It is made that way so you have to set the parking brake before you can view the dvd. You can bypass this by grounding the pink wire coming from the back of the unit.

Posted on Aug 14, 2012

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the parking brake wire must be connected to the parking brake system of you car. When the parking brake is engages, the LCD will be allowed to view your video. If not, the screen will produce an image saying, parking brake. this is a feature designed for the driver not to watch a video while driving. The video output on this unit will not be affected by this, el wire to connect is Pink - parking brake. this is wire connect with ground.

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My dvd & usb is not working. Everytime i put a dvd in or try and use the usb a blue screen appears and says WARNING PLEASE STOP WATCH VIDEO PLAYER.


the parking brake wire must be connected to the parking brake system of you car. When the parking brake is engages, the LCD will be allowed to view your video. If not, the screen will produce an image saying, parking brake. this is a feature designed for the driver not to watch a video while driving. The video output on this unit will not be affected by this, el wire to connect is Pink - parking brake. this is wire connect with ground.

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My vm9510 wont play the dvd with out saying parking and screen blue


You have to connect the park wire of the Jensen to your hand brakes that gets a negative signal everytime you engage it or you can try to put in series the park wire to a switch and any ground. Then read your manual how many times you got to switch it on and off until the picture appears when your dvd is playing. Same thing if you connect it to your parking brakes you got to engage your parking brakes on for 1 or 2 secs then back off then back on again for 1 or 2 secs keep doing this varying the secs till you get a picture. That will be the sequence to turn off that blue screen and on the dvd to watch the movie. Read your manual very carefully it will tell you the same thing but you definitely have to hook up the brake wire or else you will never see the picture. Check the manual for the color of the brake wire or just find the longest wire on the harness and thats usually the brake wire.

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2 Answers

Parking brake


better check on your dc wiring system make sure u have fixed them tightly

Sep 09, 2009 | Pioneer AVH-P4000DVD Monitor

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When I try to play a movie, I only see the warning sign on the screen. I can hear the movie playing, but the warning will not go away. This is even when the vehicle is in park. Any ideas what may be wrong?


Bypass Code
1. Go into Am/Fm mode
2. Hit "setup" on the remote control
3. Enter 543210 on the remote, listening for the beep for each number entered
4. A new menu will appear. Touch the button that has the hammer/screwdriver on it in the upper left-hand part of the screen
5. Select Brake bypass to "ON" and hit the "X" near the bottom of the screen

Aug 18, 2009 | Jensen's VM9312 Car DVD Player

1 Answer

It wont play dvds or any kind of video


Having the car in "park" is not the key. The unit needs to see a 'ground' on the light green wire that attaches to the parking brake. (see manual). You can get around this by installing a toggle switch OR a relay that will user the 'amp remote' wire as the trigger.

May 28, 2009 | Pioneer AVH-P4000DVD Monitor

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look at the install diagram(wiring codes) that came with the unit. if it has a wire that's designated for the parking brake (allowing you to only watch dvds while brake is engage) take that wire and instead of hooking it up to the parking brake, ground it or put an in-line switch between wire and ground so you can turn that function on and off. warning!!! watching while driving is illegal in most states

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JENSON VM9512 CODES FOR BRAKE BYPASS


turn on the player, start the radio option, go into the setup menu, tap the language tab, ON THE REMOTE press "stop, stop, 5,4,3,2,1" This will bring up the secret menu, you do not need to connect the pink wire

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The problem is that you're trying to bypass a safety feature. Newer video head units are smart enough to know when you've just grounded the brake switch wire so you can watch it while you're driving. Try hooking it up to your parking brake wire.

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sound like the wire to the parking brake may not be getting a ground.if it not get a ground it will no show a picture on the screen. it so you cant watch the dvd while driving.

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