SOURCE: jensen dvd receiver model#vm9311ts
There isn't any code that I know of. Most DVD head units have one extra wire in their wiring harnesses, compared
to a standard CD head unit. On mine, 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 my Jensen unit, 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 whatever manner is required by the manufacturer
of your head unit. If there is no off/on sequence with yours, as there
is with mine, simply ground the wire to a screw inside the dashboard
and you're done.
SOURCE: Volume is not working
get a splitter that allows you to plug 2 sets of headphones in the portable dvd player.
The sound is the only place were this machine falls short. The sound is okay at best with the built in speakers, but any background noise makes it nearly impossible to hear anything from them even with the volume all the way up. Not surprising since due to the size of the player the speakers are only a little bigger then headphone speakers, but with headphones or portable plug-in speakers the sound is superb. Besides the sound the only 2 complaints are that you can not control the volume with the remote and that the power switch is too easily turned on by accident (do not travel with the battery attached or you will find you have no charge when it comes time to watch a movie). The battery lasts 3.5 to 4 hours, long enough for 2 short movies or 1 long one.
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also checkout The volume button is on the right side of the uint.
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, headphones are a must, or get a device to play the audio through your car stereo ($15-$25). The player has the option to either input or output the A/V so you could play video games on the run or you could hook up a VCR and watch VHS...be creative
SOURCE: jensen vm 9410
some of the newer dvd's are made double layer and recently they've been working on triple layer dvd's. basically a single layer dvd holds 5gb of information, a dual can hold 10gb and a triple can hold 15gb (those are approximates). by making it more layers, they can put the fullscreen and the widescreen edition on the same movie disc. some of the 'lower end' dvd players don't have the capabilities to play these dual or triple layer discs.
SOURCE: The Jensen dvd player won't play all dvds. It says
New player? Under warranty? Take it to whoever installed it. Sounds like a weak laser, or a laser alignment problem. Could also simply be a dirty laser lens, but proper cleaning requires disassembly (those laser cleaning discs are hit-n-miss, and I've seen them actually damage the laser pickup, so I do not recommend them).
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