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  #1  
Old 05-24-2014, 04:27 PM
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JPalese JPalese is offline
 
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Default Trigg TY 91 Problem

A friend has a Trigg TY-91 that has developed the following problem:

No transmit audio. - Various microphones have been checked.

Carrier is transmit ok.

Intercom audio is a-ok.

Worked ok 2 nights ago.

Any thoughts?
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  #2  
Old 05-24-2014, 05:31 PM
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Default

I suggest you ring out the mic audio line from the intercom to the radio.
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  #3  
Old 05-25-2014, 04:15 PM
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JPalese JPalese is offline
 
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Default Ring out?

Hi Walt:

Not sure what you mean . . . . the intercom is built into the radio, there is not a stand-alone intercom unit.

Regards,
John
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  #4  
Old 05-25-2014, 06:14 PM
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Walt Walt is online now
 
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Ok sorry, I usually "assume" audio panel or seperate intercom.

If the intercom audio works fine and it's transmitting a carrier then it sounds like the radio needs to be bench checked to verify that it is inop before sending it off for repair.

PS: "ring out" means to check for continuity
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EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
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