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SPA-400 intercom

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citabriapilot(at)comcast.
Guest

Posted: Sun Jun 10, 2007 6:43 pm Post subject: SPA-400 intercom

Bob,

	I have fried several resistors/diodes (don't ask, lets just say the  

previous professional approved installation choice of protection had  

something to do with it) in the unit to the point I can not tell what  

they are or their values. There is a cluster of 4 passives, a diode,  

capacitor, ? and ? located just behind the on/off switch on the  

board.  Would you have access to a schematic or and old unit to help  

me determine what they are. They will be easy to replace and repair  

the unit.

Thanks

Bob

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nuckollsr(at)cox.net
Guest

Posted: Sun Jun 10, 2007 7:16 pm Post subject: SPA-400 intercom

At 10:41 PM 6/10/2007 -0400, you wrote:



 	  Quote: 	
		  

<citabriapilot(at)comcast.net>



Bob,

         I have fried several resistors/diodes (don't ask, lets just say the

previous professional approved installation choice of protection had

something to do with it) in the unit to the point I can not tell what

they are or their values. There is a cluster of 4 passives, a diode,

capacitor, ? and ? located just behind the on/off switch on the

board.  Would you have access to a schematic or and old unit to help

me determine what they are. They will be easy to replace and repair

the unit.

Thanks

Bob


	


  I'm sorry. I don't have access to the resources necessary

  to be useful. You might call the folks at Sigtronics. It's

  been years since my last conversation with them and I recall

  that they were friendly and helpful. They may not supply a

  schematic but if you sent them a picture of the damaged area

  of the board, they might suggest repairs. Alternatively,

  I seem to recall that they had some pretty reasonable flat-rates

  for repairs. I'd recommend you start there.



  Bob . . .

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