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        How Do U Know If A Crystal Is Bad

#1 AzJason Aug 05, 2004 03:10 PM

How Do U Know If A Crystal Is Bad
 
Does anyone know how to determan if a crystal is bad? I bought a great planes receiver yesterday with a built in esc and it takes a futaba crystal and notta no worky.


THANKS

JASON

#2 Haldor Aug 05, 2004 03:28 PM

You dont, if the xtal is in doubt replace it - cheap insurance.

#3 hall woo Aug 05, 2004 04:43 PM

You are probably using the wrong type of crystal, Futaba has type 7 and type 9 for fm, single conversion and dual conversion

#4 bere Aug 06, 2004 03:23 AM

I believe there are ways to test if the crystal is still sendind signals on the frequency it's supposed to send but I don't know who has them. The guy from my LHS told me this, he has a 'machine' like that. I'm not sure about this though. Maybe someone else could confirm this??


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