6881094C31-E
November 16, 2006
Troubleshooting Charts:
VOCON RX Audio (for kit NNTN5567)
5-29
5.13
VOCON RX Audio (for kit NNTN5567)—Page 1
Check speaker
integrity
Bad SINAD
Bad 20 dB
Quieting
No Recovered
Audio
No
Speaker OK?
Yes
Replace Speaker
Connect an
RLN4460 test box
(or equivalent) to
the radio side
connector via a
programming
cable
Inject Standard
Input into antenna
connector
A standard input is an RF
signal at -47 dBm with a 1
kHz tone modulated at 3
kHz for a 25 kHz channel
Audio
present?
1
No
THD < 2 %
No
Check contacts at
M102
Yes
1
All signals
present?
Yes
Replace U501
Replace U401
Yes
No
Check RX SAP
port signal
integrity as per
chapter 6
Check distortion
of signal at R597
and R598
Replace U501
Summary of Contents for ASTRO XTS-5000
Page 7: ...vi Table of Contents November 16 2006 6881094C31 E Notes ...
Page 11: ...x List of Figures November 16 2006 6881094C31 E Notes ...
Page 17: ...November 16 2006 6881094C31 E xvi CommercialWarranty Notes ...
Page 31: ...November 16 2006 6881094C31 E xxx Portable Radio Model Numbering System Notes ...
Page 83: ...November 16 2006 6881094C31 E 3 44 Theory of Operation Encryption Module ...
Page 135: ...November 16 2006 6881094C31 E 5 44 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 175: ...November 16 2006 6881094C31 E 7 32 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 367: ...November 16 2006 6881094C31 E Glossary 10 Notes ...
Page 373: ...Index 6 November 16 2006 6881094C31 E Notes ...