I have a ES series Sony 5-disc CD player. Sound comes out only from the right side speakers. I've switched the speakers cables, plugged in other devices to the recievers CD in connections and narrowed the problem to the CD player itself.
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Re: sound from only one channel
If there is a headphone output on the unit try listening through it to see if the sound is in both channels. If so,it is likely a dry / fractured solder joint on or near the jack connector. If not it could point to a failure of the digital -> analogue convertor IC chip.
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Check whether the balance control is settings. Go to the audio menu to both TV and DVD player; and make sure that it is set to Centre position; to both the devices. Still there is no audio with one channel, check it with an other know good disc. Still you can't get sound from one channel, the audio output section to the TV circuit should be checked. Contact any service technician.
Check the speaker/s first. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Getting the connections right is a problem. One thing I find helps is the THX DVD discs that certain movies have on them. They have a sound set up to get it right. It makes a tone for each channel so you can hear which channel is working. It should help you set up the system right and determine if any channel has a fault on it.
You don't say what a 1055 is and it is hard to know what you are asking with a lack of ID on the equipment at fault. Sounds like a source selection problem maybe a switch or if electronics a CD4066 IC.
Moving the wire indicates the speakers are OK. Try reversing the 3 pin plug from the cartridge. If the problem stays on the same channel, it is probably a preamp board issue. If the problem switches channels, you have a bad wire to the cartridge or a bad cartridge.
Every one enjoys listening to music . When CD player stops doing its job we take it to a repair shop. But before doing that we can try out few simple ways to troubleshooting CD player which may save us from paying huge amount for repair.
Troubleshooting involving diagnosis and then fixing it by finding the cause for the problem. First step involves focusing on a specific problematic area . Next step would be to check if the connections are proper and the last step is to troubleshoot. Let us look at each step in detail..
You can start by checking the earphone port,By using an earphone jack,inserting into the earphone port...If no sound comes out from it, that means it's not from the speaker, but from the board of the radio.The sound IC has is damaged and will need to be replaced..
To fix these,you might need to contact a repair man.
But, if sound comes out from the earphone jack, That means it's a minor case,it will be a problem from the speaker of the Mini Disc Player.
Checking the speaker connection..You might need to open up the speaker
Test the speaker by using a AA battery with small wires on the positive and negative side of the speaker. If sound comes out,that means i wire has cut or remove from somewhere inside the speaker, But if still no sound coming out,That means will go back to IC on the bard of the radio..