Hi! I have this problem on my cd player. You see, when I connect my headphones to my cd player, I can only hear music on the left side of my headphone. And when I try to wiggle the headphone cable (the part near where the connection is), the sound sometimes plays at the left or at the right of the headphone. What should be the problems of this? Please help me. Thanks so much
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Is there any sound via the headphones? If it is normal but not on the speakers you have a faulty headphone socket.
If you turn it up to full volume can you hear anything? If you can then the main amp has failed.
Try removing all the speaker and the HDMI connections; then use a headphone to listen to music from the tuner or a CD in stereo mode. Better in direct mode. If you hear your music correctly the receiver could be working correctly. If no music is heard, you may need to have it repaired professionally.
If you can hear music, connect the main FL & FR speakers and verify you can hear music that way, without the headphone connected.
If you can hear music that way, connect the center and rears. Try a mode that uses all channels to verify all sound channels are working.
Then, and only then start adding your HDMI connections.
Some stereo system have the ability to switch off the speakers when playing via headphones. In others the headphone socket itself does the switching. However headphone sockets can become faulty and when the headphone plug is removed it doesn't restore sound to the speakers. It's very easy to fix this, with a check that the contacts are not bent out of place. Or you can rewire a new headphone socket, making a note of the wire connections before you replace it.
Sometimes it is quite difficult to get the speaker cable to make a good contact with the speaker sockets. You should check that they are making contact.
To test any loudspeaker just connect a 1.5 battery for a short time across the disconnected speaker. If working the speaker will pop!
As the sound is going to the headphones the amp seems to be OK and one of the above options should correct the problem.
i've just finished repairing one of these Model 88 cd, from Cambridge sound. It also had no audio. I found cracked solder connections on the audio amplifier IC on the amplifier board as well as an inremittent headphone jack on the front of the radio. Try it with headphones, if you get dound try to clean the jack with isopropyl alcohol. a couple of drops inside the jack then insert the headphone connector several times to move the relay inside. Good luck. took me about two hours to resolve this with limited information available.
The problem is hard to track down, but fixable. You need to determine if the pre-amp has failed or the power amp. To determine which try this: Connect a device which plays music and turn the volume control fully up! You can sometimes hear the sound better via a pair of headphones. If you can hear any signal or music breaking through, then the pre-amp section is OK. If you can't it might not be. If you can hear faint music then it will be the main power amp to blame. Now because you have lost both channels you must only investigate devices (such as IC's) which have both channels running to them. Some amps have one big power amp IC that does the work. So if that goes it takes the sound with it. Have a look at whatever is on the big heat sink first, that will determine a lot of your future actions.
Have you tried using a differant set of Headphones? If you still have the same problem with using other headphones, then it seems like there's a poor connection on the sound card from the headphone in input to the board. If your sound card works fine through normal speakers, then that's more then likely your problem. The cheapest solution would be to replace the sound card rather then have it repaired, as it would probably cost you more to have it repaired then what it would be to buy one depending on what quality of sound your happy to listen to.
The bad news is that your headphone jack is most likely shot. The soldered connections inside are most likely broken. This is not repairable generally, at least not for a cost that would be reasonable. Music will play through your computer because it can be read off your player through the USB connection.
Use it as a data storage drive and buy a new one, or a used one. I've seen used T30s on Amazon for around $30 to $40.
Found your question due to having the exact problem you described. New firmware, format... loaded new music, same problem. While switching to yet another set of headphones the sound got better momentarily. The case doesn't appear loose, but squeeze right next to the lcd and lyra name and the audio was fixed. For some reason the audio was mechanical sounding and the voice was almost non-existant unless pressure was placed on the player where described. I tightened the screw in the retaining strap hole and the one under the USB connector flap and all is well for now. Good Luck!!!!