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Schematic needed I have a Philips Subwoofer SW 990/17, that is dead. It has blown both 4 amp fuses inside the woofer. It is probably the rectifier diodes that shorted, but I would still like to see a scematic

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  • davidnc1972 May 21, 2009

    Schematic needet too. I have same problem, it is dead, but both fuses are OK. David

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3 Suggested Answers

night71
  • 327 Answers

SOURCE: dis-assembling subwoofer

Unless you are good with wiring and can accept having the front cover broken, then you can do it yourself. The speaker protector can be gently pried off but will probably break if not done perfectly. If you get the front cover off, there should be 4 screws holding the speaker. Remove them and then you can see inside. Take note of how the resisters are attached. You may need to solder if they are separated. If you are confident handling this job, go for it, if not, take it to your local repair shop.

Posted on Oct 29, 2007

easyq
  • 144 Answers

SOURCE: Fuse keeps blowing in the subwoofer on my Philips hts-3450

Replace the capacitors with ones of the correct v. Download latest manual from Philips website to verify if the capacity value is not a typing error.

Posted on Jan 29, 2009

srinivasb81
  • 51 Answers

SOURCE: Need to replace home theater subwoofer-Tivoli TDHT1 is the system

Hi,
You please check the ohms with the woofer watts so that the same frequency of the woofer you can fix of different company, otherwise there will be damage of the circuit board so please use the appropriate frequency of woofer speakers.

Posted on Apr 12, 2009

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Dis-assembling subwoofer


Unless you are good with wiring and can accept having the front cover broken, then you can do it yourself. The speaker protector can be gently pried off but will probably break if not done perfectly. If you get the front cover off, there should be 4 screws holding the speaker. Remove them and then you can see inside. Take note of how the resisters are attached. You may need to solder if they are separated. If you are confident handling this job, go for it, if not, take it to your local repair shop.

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