My speakers are completly dead
i donot get the power on light when i switch it on
i donot get any sound when i connect it to my system,
there ar no screws to open them to check if any wire is loose
kindly advice how do i repair it
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The first thing you could do is trying another charger of the same type, if the battery starts charging you'll only have to get a good charger, if it doesn't, you have a failing charging jack, circuit or battery at portable speakers.
Hi Jamo 1 , go to start menu, control panel, sound. Then here go into the Tabs and select the Headset as Mic and Speakers. Apply, Done !
If after this the issue persist, then I suggest you to call Logitech support to issue a replacement, hardware failures happen and are covered by warranty terms US/Canada support:http://www.logitech.com/en-us/contact
Thanks and have a nice day !J -
Unfortunately I have the same problem. As an electronic engineer I suspect that the power supply part of the unit is damaged. I opened up the module (don' t try it, its a little bit tricky since there is a type of glue around the silver bezel, after you remove the 4 screws from the front holes) and did some quick static measurements with a multimeter, so far no luck. Since I am still in warranty I will try to replace the item. Hint: protect your electronic equipment with ups or surge protection devices.
I'm having this same problem and have sort of solved it with a really wierd technique I found at Logitech. Evidently this problem is related to the control pod rather then the RCA jack. Try this:
Unplug the control pod from the subwoofer
Turn off the main switch
Turn the volume knob one full turn, tap the knob
Repeat again (2 times)
Replug the control pod
Turn on the main switch and the control pod
See what happens
I found that this got the speaker working finicky after it was almost totally useless. It seems to be cutting out randomly, but fidgeting with the control pod or it's connector jack fixes it. No clue what the deal is here, but your problem is identical to mine so take some time to screw around with these components with music running so you can hear if it suddenly works.
I am 100% sure the battery is dead.
Opening my mm50 I find that the small 2"X 1/4" battery is attached to the back, very near the charging socket. The battery is connected to the circuit board through a small plug-socket arrangement - no soldering here like iPod. So, it would not be difficult to replace it by a DIY enthusiast. But it would be difficult to find this non-standard replacement battery. Better leave the job to Logitech service, they'd would certainly replace it on charge basis.