November 16, 2006
6881094C31-E
5-8
Troubleshooting Charts:
DC Supply Failure
DC Supply Failure—Page 2
MAEPF-27392-B
Check R763,
L703, C717,
and CR700
Check Voltage
at R560
Replace
Problem
Component
Voltage
= V2?*
Replace
U501
(GCAP II)
Check R502,
C506, L502,
and D503
Voltage
= 3.77V+/-5%?
Voltage
= 1.85V+/-5%?
Components
OK?
ReFLASH
HOST C
Code
Fixed?
End
Components
OK?
Check Voltage
at R501
Replace
Problem
Component
Check Voltage
at B502
(VOCON)
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
1
2
3
2
No
* per Standard Bias Table
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 ...