Question about Durabrand 5.1 Surround Sound Computer Speakers

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DURABRAND HT 3916 Surround Sound System - Fuses keep blowing immediately!!!!!

In short. My folks have had this system for aobut 2 years. I helped them install it. Worked fin up til' about 2 weeks ago. The power went out in the house for aobut a half hour. The power came on, the system started to hum. Rather loudly, then nothing. No standby light, no nothing. So I went to Radio Shack, bought (4) 250V 1.6 Amp Fuses tried all 4 and when the rocker switch was turned on to supply power, it clicked, hummed and then nothing. ALL 4 FUSES BLEW. No one seems to have answers on-line. Even up here IC's incoming, outgoing, etc. Not sure what that means. But is there another fuse you need. SOME B.S. proprietary fuse? I am just wanting to fix it for my folks! HEEEEEEEEEEEEEEEEELLLLLLLLLLLLP!

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It is most likely on of the IC's is shorted,and is letting A/C voltage reach the speakers.

Posted on Jan 28, 2010

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First question after a power cut, followed by a device failure is, do you have a surge supressor connected to it?

The reason I say this, is because, most devices, especially the cheeper ones have poor supression, to reduce costs.

During a power cut the voltage will fall rapidly, forcing the power supply to draw more current to deliver the power required.

When the power is re-connected to a large area, i.e. a power cut, the power draw on the network will be quite large, so the network pumps more power in to compensate. This then leads to an over-voltage to the device, which is the usual killer of devices after a power cut.

A good typical example of this, is a computer, when it suddenly losses power. It usually damages the HDD.

In short, I would suppect that one of the I.C. (Integrated circuits, the little black things) has being damaged due to a power surge, as they are very sensitive to power surges.

Sorry!

Posted on Dec 27, 2008

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I exactly dont know whats wrong but if its humming, then its not the problem with any of the fuses.

Posted on Nov 14, 2008

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No power. Changed the fuse mutiple times but it keeps blowing (8 fuses so far...) What could be the problem?


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User manual for durabrand ht-395


http://audio.manualsonline.com/mdownloads/f460f812-1507-41b1-89c0-cad7f42494f9.pdf

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http://www.funai-corp.com/support/default.aspx

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No user manual


Hi there,

All speaker cables go into the surround sound system, they should be colour coded, then phono cables into the TV or just the the normal green audio cable into the green audio hole on the computer

Feb 18, 2009 | Durabrand 5.1 Surround Sound Computer...

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Short Circut, blows fuses instantly.


OK usually the fuse goes because the Amp's IC's are drawing too much current thus the fuse blows... either this OR the Power Supply has gone Kaput. It is possible to replace the output IC's.. as it is to fix the PSU.. But it really is a shop job..

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When fuses blow theres a problem, now how it blows help you find out where the problem is, If the fuse flashes and turns black the second you turn it on or plug it in there is a massive short in the power supply, If it blows but is clear the surge was not a dead short but a overload, Either way best to run it down to the shop and get it looked at

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