Question about Creative Labs Gigaworks S750 Computer Speakers

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Fuse issue s750

Can you tell me exactly which capacitors to replace and where the driver ic is located?

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  • Anonymous Feb 11, 2009

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I believe that you are referring to the small yellow ceramic capacitors on the amplifier boards that tend to short out. Below I have pasted a link to a forum thread that contains the information you are looking for as well as some great pictures of what you should see. The driver IC that you are referring to I am guessing is the STA575 amplifier chips which are located on the amplifier boards attached to heat sinks. One board has 2 of them the other has 3.

http://forums.creative.com/creativelabs/board/message?board.id=speakers&thread.id=8037&view=by_date_ascending&page=16

Posted on Jan 04, 2009

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I have a Gigaworks 750, the Audio Pod is not working, however, there is power going to the subwoofer though the power light is flickering. Hope you can help me in solving the problem. Thanks


I did fix this problem and the whole bunch of other ones with the s750 system.

"light is flickering" is a very common! It shows that there is a problem with STANDBY power supply:

1) Yellow glue became conductive (needs to be completely removed)
2) Capacitor malfunctioning C61 (68uF 450)

3) mine had TH1 cracked (replaced from PC power supply) and D9 diode.

If this successfully fixed, you will be able to get 2nd stage power supply on (Relay or power on button)

If you will have problems there, there is a whole bunch of test needs to be done (capacitors, IRF740 etc.)

Aug 29, 2010 | Creative Labs Gigaworks S750 Computer...

1 Answer

I have a Creative Gigaworks S700 (subwoofer) with no power out. LED off. Fuse ok.


first fuse as standard is in the plug to the power adapter. The second fuse is located at the back of the box where the power lead goes into. It is covered so look closely you just need something flat to open it. I have the S750 and that is what im basing this on but if the s700 is the same then you will find this helpful. Sorry did not notice this before.
Hope this helps.

Dec 11, 2009 | Creative Labs Gigaworks S750 Computer...

1 Answer

Creative s750 speaker distortion


The volume in your system and your television is separate. Mute your television, and rely only on your system.

Sha'ul

Jun 27, 2009 | Creative Labs Gigaworks S750 Computer...

2 Answers

Fuse blows after turning on control center


I have a similar problem on the Gigaworks S750 system. Upon opening, I have found that the IC driving the switch mode power supply becomes basically a short, and that the transformer becomes damaged as a result there of as well. Then you have about 22 Ohms connected to your mains (after the bridge rectifier) which causes the fuse to blow. Is there anyone that can assist with a circuit diagram for this system, or of contact details as to where I can find out what the specifications of the transformer is? Can not seem to find any technical assistance in South Africa

Jun 17, 2009 | Creative Labs Gigaworks S750 Computer...

1 Answer

Creative S750,all speakers distorted


Your problem sounds like it is the high voltage power supply not working. I would start by checking the IRF740 MOSFETs on the power supply board. Below I have pasted a link to a forum thread about fixing the Gigaworks S750 systems. There is a lot of information there about the problem you are experiencing as well as complete diagrams of the power supply and good pictures.

http://forums.creative.com/creativelabs/board/message?board.id=speakers&thread.id=8037&view=by_date_ascending&page=1

Oct 25, 2008 | Creative Labs Gigaworks S750 Computer...

1 Answer

Sub has died overnight


Change the fuse - located at the 220V input. Use a knife ti release it. Then the system will work again.

Oct 08, 2008 | Creative Labs Gigaworks S750 Computer...

1 Answer

Fuse blows


once the caps blow they usually take out the driver ic too.
check across your power to the amp with ohmmeter
when you find the issue it will drop to around 20 ohms in one direction.

Apr 24, 2008 | Creative Labs Gigaworks S750 Computer...

1 Answer

No lights, no response after power outage


The sparks that you specified looks like.. a transformer problem.. And yes they charge 200$ for labor!! The cost of a replacement transformer is around 120$

Apr 24, 2008 | Creative Labs Gigaworks S750 Computer...

2 Answers

Can I use my s750 speakers connect through A receiver?


I would actually suggest connecting the speakers up like that because the preamp that is used in the S750 is not very good even though the actual amps are good. I would also recommend using a different sub since it is very difficult to bypass the amp for the sub. Using a different amp could also provide more volume you would just have to make sure that you don't blow the speakers. I have a set of S750's but I have not been able to find anything to tell me the exact power handling that the speakers are capable of but I believe that they can handle a lot more than what the internal amplifier is putting out.

Oct 30, 2007 | Creative Labs Gigaworks S750 Computer...

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