I've had that problem 2 my front left speaker was turning on and off when i was playing music and it sounded bad so i wanted to find out if it was the speaker or the amp so i switched the left one and right one but now both work fine so it think they just color coded the speakers wrong (also for the front and back speakers it does not really madder if you match the colors because there all the same
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you have probably damaged the amp chip. inside the radio on the back wall there is a chip with around 10 pins on it that chip is the amp it controls the volume and the left right and front and back, that part will need replacing.
An MP3 player is a stereo device, meaning that it works on two channels - left and right. Therefore a 5.1 speaker system will only play on 2 speakers.
However, if you want to use rear speakers as well, just for the fun of it (you won't get any surround effects, both left speakers will play the left channel, and both right speakers the right channel) you can purchase a "headphone Y-adaptor", that normally allows two people to use two pairs of headphones on the same portable music device. It has one headphone plug and two headphone sockets in parallel. Plug it into the player, and to the sockets plug the front and rear speaker cables :)
Hi, since the speakers themselves are ok, try checking the BABY PHONE PLUG that goes to the music/sound source. It is normally three (3) in 1 stud. The metal topmost would go to one channel, followed by a blak plastic ring then another metal band which goes to the other channel, followed by another black plastic ring and the final metal part which is the ground. With power on to the Z-5300, try touching the ends of the baby phone plug. Touching the top and 2nd metal part should produce a sound on either of the left or right. No sound (but spkrs good) it is possible that the left channel (front and rear) of the amplifier is dead. Hope this helps.Regrads.
If the Logitech Pulse 475 is the same as the Labtech Pulse 475 then the left channel amplifier probably blew. The Labtec uses a 5 pin TDA2030A, which costs around $3. You will need to know how to solder to repair this. The back of the case comes off by removing the 8 screws around the back of the case and lifting it out by the power cord. Then, simply desolder the left channel amplifier marked IC201 (it's on the leftmost side of the board, next to the volume potentiometer) and solder the new amplifier in it's place.