Question about Logitech Z-560 Computer Speakers

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Repair of Z560 amplifier

Z560 that's past its warranty lost all sound from the woofer and only "tinny" sound from the 4 satellites.  Every now and then, the entire system begins working all on its own for about 15 seconds, then reverts on its own back to the "tinny" sound.  Sure seems like the amp inside the woofer is bad.  It's not the sound card since plugging in a Logitech Z2300 system works fine.  Tried replugging the wires, jiggling switches, tapping on the heat sink, even pulled the electronics (joy!) and reseated the connections.  Everything on the amp pcb looked fine - no burns/scorches.  Logitech won't repair it.  Seems like the only option is to replace the system.  Thoughts?

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Re: Repair of Z560 amplifier

Try the control center most likely the potentiometer such as the volume knob. try rotating all the knobs repeatedly.

Posted on Sep 03, 2008

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Re: Repair of Z560 amplifier

Try fixing its amps by simple reheating it. if still doesnt work try replacing its parts... it is certain that it has a prob on the amps.

Posted on Oct 16, 2007

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Ihave hk395 subwoofer..but i dont have the satellite and a two is possible to use it...if not were i can buy..

U can use the sub-woofer by plugging it separately with a normal 2 stereo speakers.. or ..use 2 speakers attached on it sure they are powerfull enough to make a match ..(usually it is enough 10 watt )
to plug t separately ..just take a look in the speaker configuration option of the driver..and change it in such a way that will allow you multiple out ..(you will see which one will be what ...even on a normal sound card with only 3 plugs ..The configuration you have to choose is probably 3=1 or so ...and will leave your pink for a microphone ..and the line in will turn in a out-let for the woofer ..
Or if the woofer have inlets for the speakers and has a amplifier built in can attach any speakers..
In this case you can use teh normal speaker out ..and get the signal for the other speakers from the woofer ..
In case they were separate ..and the woofer was only connected with the central ..use like I say ..a configuration on the sound manager (speaker configuration ) in such a way that you will be able to connect the speakers in normal green out and use regular 2 stereo ones..and attach the sub-woofer in the plug specified in the diagram ..usually for 3=1 or 4=1 it will change the blue line in into woofer out ..and will work
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Hi, I suggest you to contact the Logitech support for a replacement this is an hardware failure and it's covered by warranty terms.
US/Canada support:
European support:
Thanks and have a nice day ! J -

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Harman Kardon 595

Hi, probably two things that can go dead, 1) the woofer itself and/or 2) the amplifier. I will rule out poser supply cos the other speakers are working. Normally they have a separate amplifier than that of the woofer. If you are comfortable working with a soldering iron and a multi tester, after unplugging from the mains, then you open the enclosure and check the continuity of woofer which should read between 4-8 ohms, if it is open or no reading, replace just 2 wires/terminals involve with 3 or 4 screws. If the woofer reads a continuity, then it is the amp which normally is just a single power IC attached to an aluminum heatsink. In some instances, it may be a power transistor pair. In any case you have to be familiar with component level repair. Otherwise, you are probably better off asking a qualified service personnel to do the repair job. Hope this be of some help. Pls post how things turn up. Regards.

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