Introduction

VOIP had Failed, after researching on the internet I found a forum page which gave a fix for a similar model. Replacing 2 capacitors fixed the VOIP

Image 1/1: Remove the screws and turn the router back upright.
  • Turning the Router over you find 4 rubber feet hiding 4 Philips head screws.

  • Remove the screws and turn the router back upright.

  • The top of the case should now lift off.

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Image 1/2: While I was checking the solder side of the board I noticed there was a bad solder joint on this cap. You cant see it at this resolution though. Image 2/2: While checking the state of the other caps on the board I noticed that this one 1000uF 10v was also showing signs of heat stress.
  • The C928 Capacitor 100uF 25v is the one talked about in the forum mentioned in the intro.

  • While I was checking the solder side of the board I noticed there was a bad solder joint on this cap. You cant see it at this resolution though.

  • While checking the state of the other caps on the board I noticed that this one 1000uF 10v was also showing signs of heat stress.

  • Both capacitors were replaced.

  • You can see the new caps in position on the right.

  • For the princely sum AU $1.20 in parts, 20 mins setting up, 5 mins to fix, 5 mins to put it all away I have saved myself aprox $200 for a new VOIP router :)

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Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

mikejgrantham

Member since: 05/29/2012

146 Reputation

1 Guide authored

2 Comments

Champion!

Thanks for this.

$1.30 in parts saved me going out buying a new VOIP adapter.

Nick Gustafsson - Reply

No worries, Glad it helped :)

mikejgrantham - Reply

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