Question about Sony SA-WM40 Subwoofer

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The speaker will cut-out after it has been playing a while. It will click-off, like it is going into a power-save mode, then back on for a few seconds or minutes...then back off again.

Posted by tjmuss on

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Grubhead

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  • Sony Master
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Sounds like you have an heat sensitive semi-conductor that might be connected to a relay (the clicking thing). As it warms up it acts up!
You can pin it down by spraying suspected parts (while under power and when it acts up) with Servisol Freezer Spray. Only spray one part at a time. The faulty part will return to normal, till it warms up again, or you force it to by touching it with a soldering iron.
If nothing happens to the part you spray, it's working and test the next. Don't bother to spray non semiconductor parts.

Posted on Apr 15, 2010

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1 Answer

Won't go into sleep mode


Which operating system ?


Sleep mode on a Windows 7 PC saves power without you having to turn your computer off and without losing any work.


This option cuts the power to your monitor, powers down the hard drive and pauses all functions until you awaken the computer from hibernation.


Whether you have a laptop, desktop or workstation, putting your computer into sleep mode will lower your electric bill and save money!


Click the "Start" button in the lower left corner of your desktop. In the lower right corner of the Start menu, next to the "Shut Down" button, is a button labeled with a small, right-pointing arrow. Mouse over the arrow.


The Shut Down menu appears.

Point at "Sleep" and click on this option.

Your Windows 7 computer goes into sleep mode.


Wake your computer from sleep mode by jiggling the mouse.

There may be a delay of a few seconds before your hardware powers on.


All of your open programs are still open and your work is intact, just as you left it before the computer entered sleep mode.


Configure your Windows 7 PC to go into sleep mode automatically when it is not used for a certain amount of time.


Click "Start" and select "Control Panel." Click "System and Security."

Click "Power Options."

A menu opens.


Click on "Choose when the computer sleeps" and select the number of minutes of inactivity. You can also set a separate time interval to put your monitor into sleep mode.


If you set both to 10 minutes, then your PC and monitor will automatically go into sleep mode after 10 minutes of inactivity


Your Computer in sleep mode


First, save all of your work. Information in computer memory is not saved while your computer is on standby.


From the Start menu, select Settings, then Control Panel, then Power Management.


Click Standby Beside When I Push the Power Button.


Push the Power button.


Automatically Putting Your Computer on Standby


Save all work before leaving your computer.


From the Start menu, select Settings, then Control Panel.


Double-click Power Management.


Set the times that you want your system to go on standby, to shut off the monitor and to shut off the hard disks.


Click OK. Your computer will go on standby according to the schedule you have entered.


Putting Your Computer in Hibernation


From the Start menu, select Settings, then Control Panel.


Double-click Power Settings.


Click on the Advanced tab.


At the When I Push the Power Button On My Computer screen, click Hibernate.


Click the Power button.


Hope this helps.




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1 Answer

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Hi Lois,
Stereo sytems have a protection circuit that alerts you by displaying "protect" when there is a electrical short circuit detected in the system, the most common short happens in a speaker, try disconnectig the speaker wires of both speakers(all speakers) at the back of the system, then play the CD or cassette player(although you will not hear anything with the speakers disconnected) and see if the unit goes into "protect" mode if the problem is still present then you have an internal short circuit and the system will need to be sent in for service or replaced(depending on age,repair costs). I would not recommend investing more than $80 into repairs. Now, if the unit does not go into "protect mode" then one of the speakers or speaker wires is shorted,be sure you check the conndition of the speaker wires before you replace the speakers, then you can replace the speakers(in a pair) and you should be back up and listening! Good luck and Merry Christmas !

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1 Answer

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for windows vista
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  2. Click on Change plan settings for the currently active plan.
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Chances are the 'Refresh Rate' somehow got set too high for the monitor. On flatscreens , the result is a black screen.

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Shutdown, Switch back monitors and try it now.

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UNPLUG THE GREEN WIRE FROM THE COMPUTER AND PLUG IT INTO A CD PLAYER IF IT WORKS BETTER ON A CD PLAYER THAN THE COMPUTER IT SELF THERE MAYBE A PROBLEM WITH THE SOUND CARD AND ALSO TRY THESE STEPS I AM GOING TO GIVE YOU I AM SURE ONE OF THEM WILL WORK.

1. Please ensure that the all the connections between the satellite speakers and the subwoofer are firmly connected.
2. Next, please connect the green colored 3.5mm audio jack to another audio device such as an iPod or an MP3 player.
3. Ensure that the SoundTouch remote control is firmly connected to the back of the subwoofer.
4. Connect the power cord from the subwoofer and connect it to another single power outlet in your house. If you have an automated voltage regulator (AVR), please connect the power cord through the AVR instead of connecting it directly to a power outlet in your house.
5. Power up the speaker system and check whether the power button on the SoundTouch remote control will light up.
6. Turn on the Matrix Mode ON. This option is on the SoundTouch remote control. This is to ensure all speakers from the speaker system will produce audio that will be played from the audio device.
7. Play audio from the audio device. Check and see whether the all the speakers will produce audio being played from the audio device.

IF NONE WORK TRY THESE STEPS:

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