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My stereo says its locked and won't work. How do I unlock it?

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Why won't my Kenwood car stereo recognize all the music on my flash drive?


I have the exact problem so I looked at the owners manual which referred me to a url. Bottom line, Kenwood only will look at 255 folders, my guess is it thought my individual songs (1099 so far) were folders. So I made 4 folders and to be safe, no more than 250 tracks, plugged it into my player, set it to random, and it works (so Far). So i theory you should be able to go up to 65000 files, provide you have a flashdrive big enough

Dec 18, 2012 | Kenwood KDC-448U CD MP3 USB Car Stereo...

1 Answer

Why can i not get 5.1 working when i use line in i only get front l/r speakers


With no make or model and you won't get an accurate answer.

Line In is analog stereo. SOME audio devices can simulate more channels from just that input. What does your manual say?

Aug 18, 2011 | Audio Players & Recorders

1 Answer

Bought the stereo 6 months ago, now the speakers won't work!!!! Please help!


Hi, when a speaker does not work, you might need to do some troubleshooting tips to know exactly where the problem is .

First you will need to test the speaker cone if it's working properly by using an AA battery and two wires to make sure the cone is working..

Connect one of the wires to the Positive side of the speaker, and the other on the Negative side, And after that use the battery to hear if the speaker cone will make a click sound.

If it doesn't make a click, that means the speaker cone is Bad, you will need to replace the speaker cone,
But if there is click from the speaker cone, that means the speaker is Ok, and you might need to trouble shoot your stereo to be sure if the sound IC chip is Ok in the stereo..

Hope it helped..

Aug 10, 2011 | Audio Players & Recorders

1 Answer

I have a Sansui G-4700 Pure Power DC Stereo Receiver. We were happy with it for many years. Five years ago, we moved from a house to a condo, and it has been in storage since the move. I am thinking of...


Of course it will work with any standard stereo RCA source (which just about everything STILL has) but it won't work directly with any digital sources. It has NO digital interfaces.

Jun 22, 2011 | Sansui Audio Players & Recorders

1 Answer

How to unlock my stereo. not getting any sound with tuner or cd


If your display is indicating that a source is locked it may be that the source is not powered on or the source input cable is not connected or incorrectly connected.

Jan 06, 2011 | Sony STR-DE897 Receiver

1 Answer

My cd trays are locked and wont open on my jvc stereo model #Ca-Hxd77 system #Hxd77 and i dont know how to unlock it.


Most CD trays have a small hole at front for you insert a straightened paperclip about 1-2 mm inwards. This allows release of tray when power is off. I assume this is what you mean by mechanically locked, not locked by software.

Jul 11, 2008 | Audio Players & Recorders

1 Answer

Stereo receiver is in a Panel Lock On mode and will not stay on


Hi, Press the B and the Mode buttons and then hit the power button.  This should unlock the panel....it worked for me.

Apr 12, 2008 | Denon DRA-397

1 Answer

Code for Kenwood RC 500 Car Stereo


GO TO A STEREO REPAIR SHOP, SOME CAN RESET OR USE FACTORY MASTER CODE TO UNLOCK

Mar 22, 2008 | Audio Players & Recorders

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