Question about Panasonic CQ-VD7001U Car DVD Player

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No Sound I bought the unit used to replace my existing Sony headunit. It did not come with an installation manual. There are no speaker level outputs only RCAs. I thought it was going to be a simple swap, but I can't get any sound. The amps are fine, the line is fine. Is there something I am missing?

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Go to your local car audio stor and buy a rca to speeker wire converter or buy an equalizer and use your speekers

Posted on Aug 19, 2007


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Posted on Jan 02, 2017


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I have just bought a boat which has a alpine 7618r fitted but its not working can i slide a moden cd/mp3/usb replacement unit in there using existing wiring /speaker loom

Yes you can replace that unit however the harness that plugs into the old alpine in all probability will not work with another radio so you will have to connect the new radio's wiring harness to the boat's harness.

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How do I hook up a sub woofer & speakers to my car stereo?

If you are replacing the existing door/deck speakers with replacements of the same size and not adding an amplifier, you will be able to use the existing wiring, making note of the positive and negative notation.
Subwoofers, on the other hand, require an amp. There are subs that have an integrated amp in the enclosure, otherwise you will need to buy a separate amp. Connecting the amp to your existing system will highly depend on what outputs your head unit (aka stereo) has. If it has pre-amp outputs, those can be run straight to sub amp. If there are not pre-amp outputs, you may have to buy a "high level" adapter that connects to the same head unit outputs as your speakers.

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I have a Sony STR-DE597 FM/AM Receiver .It has audio out plug and i have a Jensen js650 100 watt Subwoofer. how can i hook them up? Thanks.

The Jensen JS650 does not accept line level input so you need to use the Front B speaker output from your Sony receiver and not the RCA subwoofer output. Even though your subwoofer is active, it does not support line level (RCA) signals.

Just connect the subwoofer as you would a pair of speakers. Once connected, you make sure the front panel speaker switch on the Sony is set to A+B so you get sound from your existing speakers (A) and subwoofer (B).

I hope that works for you.

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On a sony str-dh710, is there any difference in the amp. level between setting the distance levels and the db levels? Also using the Video 2 input on the front of the reciever I'm not able to get any...

.. or read the manual about setup and getting multichannel audio from 2-channel sources. Calibration and Selecting a Sound Field.

Distance is linear spatial separation of two points. dB is audibility, sound pressure level, volume. The distance setting affects how the various channels are delayed to arrive at the primary listening position at the appropriate time to provide a plausible sound field. Simply making one or more speakers louder or softer will not affect the spatiality of it.

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Re Sony VAIO F12 (new unit): Audio is barely audible using onboard and external speakers, even though volume bar indicates volume is at highest level. Any way to increase audio volume? Thanks.

1. Yes, check to see if you have the volume up for the wave file turned up that is on the program you are using to listen to the Mp3 or sound wave with.
2. check the speaker connector/ Use another speaker that is know to be good and test. Use a set of earphone in the output jack also to test the output.
If these things are doing the same then you have failing sound card and it needs replacement.

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I've been given one of these amps by a friend. There's a slight problem with it though, the front rht input is far more sensitive than any of the others. It's as if the gain is turned to the max on that...

if the other channels put out only a small amout of sound compared to the rh channel it is possible that the preamps might be buggered. To test this get one set of outputs from your headunit and connect them to each channel one by one and the same on the output side with a speaker. If the problem doesnt exist then, it could be your head unit that is at fault. check the settings in your head unit as well you might have accidently changed the fader settings.

Other than that drop it in for a quick bench test at a local car stereo installation place and they should be able to offer a quick and cheap if not free diagnosis of what the issue will be.

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Car Door Speakers wont work after installing new Stereo

check you Fade and Balance,sometime the ground is used for two speakers sometimes a ground is used more then once will cause your problem ........Good luck......

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Speaker Distortion

I would definitely say yes to the new HU, however at the same, the issue could be the actual wiring from the deck to the speakers. If you've got a cassette player in there I'm assuming the vehicle is a bit older. Over time the copper in the wiring has a tendency to corrode if exposed to the weather. Either way replacing the player is a win-win situation since you'd be stepping into the CD era (lol), but if it doesn't make a difference I would be looking towards the wiring. Outside of that the only possible wild card would be you bought faulty speakers, the odds of that being very low since it's coming from both. Hope this helps.

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Upgrading dvd to blu-ray - how can I use my existing surround sound speakers?

Unfortunately because your existing system does not have the option of connecting an external source, such as another DVD player, the only option you have is to reuse your existing speakers and purchase another amplifier. Trying to patch another DVD into your existing unit would require a bit of technical expertise which would be more trouble than it is worth. The all-in one concept is convenient but very limiting in terms of expansion.

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No sound through speakers

are you using RCA outputs(the round red and white plugs)? if you are then your amp is not turning on and if you are hooking up speakers to your RCA's (low level) then you will not hear any audio the signal is to low. would need to know more about how you checked the ic power?? one could verify an output ic by hooking up an amp since the RCA audio signal is picked off just before the output. if the low level works but the speakers do not then you have a bad output. anything else an o-scope would be handy.
good luch stereo tech (

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