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05-24-2014, 04:27 PM
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Join Date: Apr 2011
Location: KHXF
Posts: 143
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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?
__________________
John Palese
1) AAL Captain & Check Airman (ret)
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05-24-2014, 05:31 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,840
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I suggest you ring out the mic audio line from the intercom to the radio.
__________________
Walt Aronow, DFW, TX (52F)
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
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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05-25-2014, 04:15 PM
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Join Date: Apr 2011
Location: KHXF
Posts: 143
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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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05-25-2014, 06:14 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,840
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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
__________________
Walt Aronow, DFW, TX (52F)
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
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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