Question about Sony LBT-LX90AV CD Shelf System

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MY SONY LBT-LX90AV CASSETT PLAYS DISCORD AND BELT FALLS OFF

ANY TIME I PRESS FOR PLAY THE BELT FALLS WHICH I PUT IT BACK THEN PLAYS FOR FEW MINUTES THE FALLS OFF AGAIN

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Hi. Make sure the flywheel turns freely and that the capstan pin and pressure roller are clean. If this is OK then it is more than likely that the belt is stretched, dried out or generally worn. These parts only have a certain usable life and are quite cheap to replace.

Posted on Dec 23, 2008

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Hi,
Your sound system may have a circuit breaker.
Check the rear of the sound system for a circuit breaker that has popped out, Then push it back in.
It may be labelled.
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Otherwise unplug your unit from the wall and wait 5min before you plug it back in, then press the power button on the front of your system and your remote control.

I hope this helps

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Stereo sytems have a protection circuit that alerts you by displaying "protect" when there is a electrical short circuit detected in the system, the most common short happens in a speaker, try disconnectig the speaker wires of both speakers(all speakers) at the back of the system, then play the CD or cassette player(although you will not hear anything with the speakers disconnected) and see if the unit goes into "protect" mode if the problem is still present then you have an internal short circuit and the system will need to be sent in for service or replaced(depending on age,repair costs). I would not recommend investing more than $80 into repairs. Now, if the unit does not go into "protect mode" then one of the speakers or speaker wires is shorted,be sure you check the conndition of the speaker wires before you replace the speakers, then you can replace the speakers(in a pair) and you should be back up and listening! Good luck and Merry Christmas !

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Hi.
Better quality cassette decks use this method as it puts less strain on the motor because it dosen't have to keep starting and stopping.

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To isolate the source of the problem disconnect all speakers and turn on the unit, if it works that means that you have to check cables and speakers. If the problem remains that means the problem is with the unit. Professional technician is required: The problem is at the power output section (Defective out put IC or Voltage error?) Good Luck Toufic Malek

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Yeppers very common problem .. If the noise dosent come from the speakers then the problem is in the motor in the cassette deck. if the problem comes from the speakers when the deck is playing a tape, then the problem is in the record/playback switch. you may beable to fix it by spraying just a lttle bit of tuner cleaner inside the switch. It shouldnt cost much to have a repair shop do this as if you spray too much your going to ruin the belts and the mechanism. Good Luck

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