I have a Lifestyle 5 which suddenly stopped producing sound from the speakers. The headphone jack still works OK. I saw on another post that you might have a fix for this. Something to do with the system not switching the sub on!
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When you move the headphone plug around and the sound cuts in and out that usually means that the terminals in the jack have corrosion on them. You can usually clean the jack with contact cleaner that is sold in home improvement stores.
Here's a video showing how to clean the headphone jack on a phone but the process is the same for any device that uses a headphone.
There is a problem with the headphone jack or there is a audio output problem, get some electronic contact cleaner attach straw and spray inside the jack, push the headphone jack in and out quickly and spray again and repeat, this should clean the contact points, if no sound, audio output should be suspect.
I did repair this, the pre amplifier is broken or no startup signal
check wire from pre amp to subwoofer DIN connector
there should be 12V present.
if so check fuse inside of subwoofer cabinet.
if this is ok whrite back for more info
The lit indication ("amp bars") proves that the aduio signal is getting through the unit's circuitry @ least to that point; lack of sound @ the spkr & headphones indicates the amplifier portion of the circuitry is either inoperative or disconnected from the load (i.e., either the speakers, or the headphones). A common cause of this type of problem cropping up unexpectedly is the headphone jack itself; in most products of this type, the audio path from the amplifier output to the speaker connection runs through the headphone jack, so the the speakers may be "turned off" when the headphones' plug is inserted into the jack. If the unit's owner uses headphones regularly, the most common problem to be found with the jack is loose solder connections to the printed circuit board's traces from the jacks' lead(s); in units with this problem whose owner's irregularly use the headphones, it's more common to find oxidization of the electrical contacts within the jack itself.
Are you using the same cord for the mp3 player as you are for the cd and radio? There could be a patch cord problem or it could be the output jack of the mp3 player. If using headphones with the mp3 player works both right and left then it must be the patch cord. Try using a different patch cord.
You have one of 3 problems:1) bad solder joints in the amplifier or preamp section 2)defective output transistors/ICs in the power amp or 3)missing or incorrect voltages to the amp section. If the unit has a headphone jack plug in a headset. If you have sound then everything is OK thru the preamp section and your problem is in the power amp. Any competent repair shop should be able to solve this one easily.