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SPA-400 intercom

 
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citabriapilot(at)comcast.
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PostPosted: Sun Jun 10, 2007 6:43 pm    Post subject: SPA-400 intercom Reply with quote

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
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PostPosted: Sun Jun 10, 2007 7:16 pm    Post subject: SPA-400 intercom Reply with quote

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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