Question about Logitech Z-680 Speakers and DVD218 System
I don't know the cause of it,but I'm left with only one channel-all satellites work in that channel- and the sub performing pretty good.I can hear only a little noise from the others and that's it.The control center looks ok-detects inputs,the screen can be easily read and you can change configurations.Any suggestions?
Oh,and I can't extract the sub from the front unfortunately...
Thank you in advance.
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Posted on Jan 02, 2017
The exact same thing has happened to me,, the left channel just stopped working. I am in process of changing the audio amplifier chip for the left channel a TDA 7296. Its a fairly inexpensive gamble at less then 5 bucks for the chip. It is fairly complicated amplifier chip with a built in mute, standby and thermal shutdown protection features in the chip so it is possible any of that has gone haywire the chip would not output properly if so. Also found on the same channel a small choke a three turn coil that was dislodged when they added silicon to the board and it pulled the choke lead right off the board. I would presume this alone would not be the problem but could have lead to the amplifier going bad if it truly is.
Evertyhing else on the main board seems to test well and nothing is standing out as a problem. Rollin the dice. Waiting for a chip in the mail,,, time will tell.
Posted on Sep 24, 2010
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