Qualir Automobile Electronics Co., LTD, founded in 1998, aims to create automobile owners's drive more quickly and cosily by providing automobile electronics of Good quality and Reliability. In May 1998, Qualir started to create and generate Car CD, VCD Players and property CD,DVD Players. In March 2003, Qualir began to develop and create Automobile Mp3 players,Car DVD Players,and effectively developed Auto DVD Players with Built-in GPS function in 2004. In June 2007, Qualir made the decision to create a platform for direct wholesale of Auto electronics. In September 2007, Qualir's wholesale Dept was successfully founded and our on the internet wholesale shop www.AutoDVDGPS.com was lastly completed.

1. How to Repair Your Car Stereo?
by qualir - http://www.autodvdgps.com/blog reply-pdf@qualir-mail.com
date:2011-11-08
How to Repair Your Car Stereo?
2011-07-07 08:24:54 By qualir
If you experienced some problems with getting your automotive car speakers to work, I think I could give you
some advice. The following description is about how to diagnose the problem of silent speakers. And I could
also give some tips on how to fix them. If you are not familiar with car stereo repair, it could be ok, this can still
help you. If it couldn’t help you, you could contact a dealer or ask some vehicle stereo to get it repaired. The
steps are:
Check the speakers to see whether they are connected well.
Check the cables first to see they are connected well or not.
Fasten the speakers connectors
Try to replace the broken butt connector.
After you done this if your speakers are still not working, you could test the auto speakers that don’t work
directly:
Detach each speaker which doesn’t work on the car.
Use 9v a battery and connect its leads to each auto speaker to be tasted for short moment
If the speakers have movement and you hear the sound usually known as a “pop” or thump, then your speaker
will probably be able to make sound and it is likely to work.
You need to note which way the speaker are moving, whether in or out of its frame during the test. Then you
could also determine your auto speakers polarity when connecting them up to the amplifier up in the front.
When the cone of the speaker moves out from the basket, the lead visiting the positive from the battery may be
the positive lead from the speaker. Whether it gets into the opposite direction, the lead hooked towards the
negative from the battery is positive of one’s auto speaker.
There are two possible results for the speaker test: the speaker is not able to make sound or it is. If the speaker
is not able to make sound, your speaker are dead and you need to replace it. If the speaker is able to make
sound, you need to sun new speaker wires and rewire, perform the “popper” test to get the polarity correct as
described above.
After you do that, if the problems still exist, then it could be the following reason:
Deck problems or the connection with the deck.
If it is, you need to contact the vehicle stereo repair shop or ask someone to help you.
Original article page link：http://www.autodvdgps.com/blog/qualir-help/how-to-repair-your-car-stereo/4675/
page 1 / 1
Powered by TCPDF (www.tcpdf.org)