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Modem repair

 
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peterk



Joined: 10 Jul 2004
Posts: 17
Location: sydney, australia

PostPosted: Wed Apr 18, 2007 11:10 pm    Post subject: Modem repair Reply with quote

Any suggestions please.

The telephone line was plugged into the modem and got zapped during a lightning storm. The only component damaged in question is across the +/- 50v line-in socket.

It is glass of small size with coloured marking bands Yellow, Black, Orange (or other way round). Can I assume that it is a Avalanche diode or some other sort of protection diode?

Can someone tell me what I can use to replace it please.
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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA

PostPosted: Thu Apr 19, 2007 2:12 am    Post subject: Reply with quote

It is definitley a surge protector/absorber. While it is next to impossible to determine the exact device, you can use a device called "sidactor" in it's place---& possibly many other protectors . Do a search for sidactor.

...although rather simple, you may find it impractical due to the cost of dialup modems nowadays.
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