Tango Wireless ANR Headset
“
Specifications
- Model: Tango
- Part Number: 939-00003-000 Rev A
Product Information
The Lightspeed Aviation Service Repair Manual provides
troubleshooting and repair guidance for the Tango headset. It
includes methods for isolating issues by part or symptom failure,
helping users identify and address problems efficiently.
Headset Part Numbers
The Tango headset has various part numbers for different
configurations, including General Aviation plugs, Panel Power
connectors, and European Union versions. Contact Lightspeed
Aviation for warranty repair eligibility.
Parts List
Parts Requiring Full Assembly:
- Ear Seal
- Right Faceplate
- Left Faceplate
- …
Parts Requiring Assembly or Individual
Replacement:
- Windscreen
- Head pad – Sierra
- PCBA, Transceiver – US
- …
Product Usage Instructions
Before You Start
- Review the entire guide thoroughly before attempting any
repairs. - Check the FAQs on the Lightspeed Aviation website for
additional information. - Locate the appropriate repair manual and part
removal/replacement videos on the Lightspeed Aviation website.
Troubleshooting Process
Isolate by Part:
1. Identify the failed part by comparing it with known good
sample parts.
Isolate by Symptom Failure:
1. Use possible failure modes to determine the most likely
faulty part.
FAQ
Q: How can I check if my Tango headset qualifies for warranty
repair?
A: Contact Lightspeed Aviation at 1-800-332-2421 to determine
warranty repair eligibility for your Tango headset.
“`
Lightspeed Aviation Service Repair Manual
Models: Tango
939-00003-000 Rev A
Page 1
Table of Contents
Title Page………………………………………………… Table of Contents…………………………………………. Before You Start ………………………………………….. Headset Part Number, Tango……………………………….. Parts List, Assembly or Sub-Components…………… Failure Validation…………………………………………. Isolate by Part………………………………………………. Isolate by Symptom ………………………………………
Page 1 Page 2 Page 4 Page 5 Page 6 Page 9 Page 10 Page 11
939-00003-000 Rev A
Page 2
1. PURPOSE
This guide is designed to simplify troubleshooting/repair process and provides two options for the user to utilize during the process. – Isolate by Part: Method to quickly identify failed part via use of “known good Sample Parts” – Isolate by Symptom Failure: Method using possible failure modes to pinpoint most likely part
2. SCOPE
· Tango models
3. TROUBLESHOOTING AIDS
· FAQ per Lightspeed Aviation website (https://www.lightspeedaviation.com/support/) · Part Removal/Replacement Video Step by Step guide of product disassembly and re-assembly · Audio device with 3.5mm output (eg am/fm radio, mobile device, etc…) · Audio device with BT capability (eg am/fm radio, mobile device, etc…) · Com Panel/COM Radio or access to aircraft with Com Panel/Radio (GA, Lemo, U-174 ports depending on headset)
Available on the open market
939-00003-000 Rev A
Page 3
Before You Start
1. CONTACT LIGHTSPEED AVIATION SERVICE DEPARTMENT TO DETERMINE IF YOUR SIERRA HEADSET QUALIFIES FOR WARRANTY REPAIR OR TRADE-UP PROGRAM · Toll free: 1-800-332-2421 (Monday-Friday, 7am – 4pm Pacific Time) · Email: support@lightspeedaviation.com
2. REVIEW AND FAMILIARIZE YOURSELF WITH THE GUIDE IN ITS ENTIRETY BEFORE ATTEMPTING REPAIR
3. REVIEW FAQS FOUND ON LIGHTSPEED AVIATION WEBSITE (https://www.lightspeedaviation.com/support/)
4. LOCATE APPROPRIATE REPAIR MANUAL via LIGHTSPEED AVIATION WEBSITE (https://www.lightspeedaviation.com/otherpolicies/)
5. LOCATE APPROPRIATE PART REMOVAL/REPLACEMENT VIDEO INSTRUCTION via LIGHTSPEED AVIATION WEBSITE (https://www.lightspeedaviation.com/other-policies/)
6. PART AVAILABILITY AND COST ARE UPDATED FREQUENTLY. PLEASE CHECK LIGHTSPEED AVIATION WEBSITE (https://www.lightspeedaviation.com/other-policies/) FOR THE LATEST INFORMATION OR CONTACT LIGHTSPEED AVIATION SERVICE DEPARTMENT · Toll free: 1-800-332-2421 (Monday-Friday, 7am – 4pm Pacific Time) · Email: support@lightspeedaviation.com
939-00003-000 Rev A
Page 4
Headset Part Numbers
APPLICABLE PART NUMBERS TANGO:
Note: Contact Lightspeed Aviation directly if the part number is unknown, not listed, or has different plug types than listed
Model Item Number Part Number Description
Tango
4044
800-00014-001 ASSY, HEADSET, TANGO (GA)
Tango
4045
800-00014-002 ASSY, HEADSET, TANGO, P
Tango
4049
800-00014-003 ASSY, HEADSET, TANGO, H
Tango
4054
800-00015-001 ASSY, HEADSET, TANGO, GA, EU
Tango
4055
800-00015-002 ASSY, HEADSET, TANGO, PANEL, EU
Tango
4059
800-00015-003 ASSY, HEADSET, TANGO, HELI, EU
NOTE: CHECK WITH LIGHTSPEED AVIATION TO DETERMINE IF YOUR TANGO HEADSET QUALIFIES FOR WARRANTY REPAIR (Toll free: 1-800-332-2421)
GA = General Aviation plugs P = Panel Power (6-pin LEMO connector) EU = European Union version (wireless frequency differences)
939-00003-000 Rev A
Page 5
Parts List
REPLACEABLE PARTS ASSEMBLY/PART:
a. Below parts must be replaced as an assembly
Part Number
Description
250-00008-000 285-00041-000 285-00042-000 285-00043-000 285-00044-000 285-00045-000 285-00046-000 285-00047-000 285-00048-000 285-00049-000 285-00052-000
Ear Seal Right Faceplate Left Faceplate US Right Cup Left Cup Boom Assembly Panel Interface Top Battery Door Kit Left Faceplate EU Battery Door Replace Tango Headband Assy
939-00003-000 Rev A
Page 6
Parts List
REPLACEABLE PARTS ASSEMBLY OR SUB-COMPONENTS:
a. Below parts can be replaced as an assembly or its individual parts
000001524 250-00008-000 200-00033-000 200-00033-001 200-00036-000 200-00038-000 250-00013-000 260-00036-001 260-00036-002 260-00036-003 260-00039-001 260-00039-002 260-00039-003 300-00027-000 300-00028-000 300-00029-000 300-00030-000 300-00031-000 301-00005-000 303-00179-000 304-00025-000 304-00026-000
Description
Windscreen Head pad – Sierra PCBA, Transceiver – US PCBA, Transceiver – EU PCBA, Transceiver Charger, Tango PCBA, Panel Power, Transceiver Charger Foam, Cup Assy, Transceiver GA US Assy, Transceiver Panel US Assy, Transceiver Heli US Assy, Transceiver GA EU Assy, Transceiver Panel EU Assy, Transceiver Heli EU Cable, Lower, Dual GA Cable, Lower, U174 Cable, Lower, Panel Cable, Emergency Cable, Emergency Jack USB Cable Battery Door USB Cover Label Left Cup Label Transceiver
939-00003-000 Rev A
Page 7
Parts List
REPLACEABLE PARTS ASSEMBLY OR SUB-COMPONENTS:
a. Below parts can be replaced as an assembly or its individual parts
305-00006-100 311-00002-000 312-00001-000 315-00063-000 806-00002-000
Description
O-Ring, Boom E-Clip, Boom Washer, Boom Pocket Clip Black Dual USB Port Charger
939-00003-000 Rev A
Page 8
FAILURE VALIDATION:
Troubleshooting Guide
1. Validate/duplicate failure complaint using 1. Customer set-up 2. LSA set-up a. No Problem Found? · Check with customer to ensure appropriate information for duplication. Retest as needed · Document test method, Retest. b. Confirmed? · Proceed to step 2.
2. Ensure fresh batteries or known good panel power source as appropriate for control module
3. Retest a. Failure resolved? · Failure mode is either bad batteries or panel power source b. Failure continues? a. Isolate by Part b. Isolate by Symptom
939-00003-000 Rev A
Page 9
Troubleshooting Guide By Part
Isolate by Part: Note: If failure is related to Side Tone (Boom Mic) Go to step 3, otherwise proceed with step 1.
1. Pair Headset to connect Golden Transceiver Module assembly. Retest. *Ensure Channel selects on headset and Transceiver match
a. failure resolved? Isolate down to cables or transceiver PCBA(s), replace each and reconnect until faulty part found. Note: move the cable around strain relief areas to facilitate pinpointing of faulty part.
b. failure continues? Go to step 2
2. Connect Original Transceiver Module to Golden Headband Assembly (headband/faceplates) a. failure resolved? Open Original headband Left/Right Cup and check PCBA, wiring, reseat and re-assemble. b. failure continues? Isolate failure to left or right faceplate, replace, then retest.
3. Disconnect Boom MIC and test with golden Boom MIC. *Ensure Channel selects on headset and Transceiver match
a. failure resolved? Replace Boom Mic with known good/tested Boom Mic. b. failure continues? Restart at Step #1
Component Replaced
Transceiver Module / sub-components Headband assembly Boom Mic Left or Right Faceplate
Assembly Reference
· Tango PART REMOVAL/REPLACEMENT VIDEOs · Tango PART REMOVAL/REPLACEMENT VIDEOs · Tango PART REMOVAL/REPLACEMENT VIDEOs · Tango PART REMOVAL/REPLACEMENT VIDEOs
939-00003-000 Rev A
Page 10
Troubleshooting Guide By Symptom/Failure
#
Symptom/Failure
Repair Action
References
1
Noise Headset powered on (ANR)
2
Panel Interference (Noise)
3 Bluetooth
No Comm Audio/Distorted Comm Audio 4
1. Listen to headset and: Shake head, push on cups, open/close mouth 2. Replace Left or Right faceplate assemblies if there is abnormal noise 3. Turn off Transceiver and retest, If Abnormal Noise is present only when
Transceiver is on, replace 200-00033-00X (Transceiver PCBA)
1. Test headset with Transceiver powered off 2. If issue is resolved, change channel select on both transceiver and headset
and re-link 3. If issue is still present, replace 200-00033-00X (Transceiver PCBA)
1. Use a device to try and pair to the headset 2. If there is still an issue try to re-pair the device to headset 3. Replace 200-00033-00X (Transceiver PCBA)
1. Perform test while headset and transceiver powered on 2. Visually inspect cabling for wear or defects. 3. Plug headset into comm. panel. 4. Pull and bend Lower cable along length of wires and strain reliefs while
listening to headset 5. Check that the cable is fully plugged into the Transceiver PCBA 6. Isolate by part (Page 8).
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
939-00003-000 Rev A
Page 11
Troubleshooting Guide By Symptom/Failure
#
Symptom/Failure
Repair Action
References
5 No Mic Audio
6 No Auxiliary Audio
7 No Power (Headset)
8
No Power (Transceiver)
9 Comm Priority
1. Plug headset into comm. panel. 1. If possible, turn squelch setting down to `hot mic’
2. Ensure Transceiver and Headset have same channel selected 3. Rock and bend Boom mic, tap on mic while listening
1. If audio is intermittent, replace boom mic assembly 4. Visually inspect cabling for wear or defects 5. Pull and bend Lower cable along length of wires and strain reliefs while
listening to headset 1. If audio is intermittent, replace Lower cable
6. Isolate by part (Page 8).
1. Play sound through Auxiliary patch cord into headset. 2. Rock cord back and forth while listening to headset
1. If music cuts in/out or is distorted, Replace 200-00033-00X (Transceiver PCBA)
1. Confirm Battery is good. 2. Retest 3. Replace Left Cup Assembly
1. Confirm Battery is good 2. Retest 3. Replace 200-00033-00X (Transceiver PCBA) and Retest 4. Replace Transceiver
1. Replace Right cup Assembly
10 Volume Button Failure 1. Replace Right cup Assembly
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
· Tango PART REMOVAL/REPLACEMENT VIDEOs
939-00003-000 Rev A
Page 12
Documents / Resources
 | LIGHTSPEED Tango Wireless ANR Headset [pdf] Instruction Manual 4044, 4045, 4049, 4054, 4055, 4059, Tango Wireless ANR Headset, Wireless ANR Headset, ANR Headset |