6871620L01-C
May 28, 2008
Troubleshooting Charts:
Keyload Failure
5-29
5.14 Keyload Failure
No
No
Yes
Yes
No
Keyload Failure
"KEYLOAD"
message
displayed?
With KVL attached to radio
and radio on, initiate a keyload
by pressing PTT on the
keyloader and look for activity
on testpoint LHDATA_KEYFAIL
Yes
Verify connection
across the
UCM-CE-Audio
Jack flex
Repair
connection
Correct
equipment?
Obtain correct
KVL and
cable
No
Verify and repair
connection of CE_CTS,
CE_RS232DIN_USB-,
and CE_OPT_SEL2 signals
from KVL to connector J2
Verify the use of the correct secure kit and key loader:
With KVL attached to
radio and radio on,
verify display
message "KEYLOAD"
Activity?
Verify connection
of testpoint
LHDATA_KEYFAIL
to R1354
Yes
No
Good
connection?
Repair
connection
Replace
secure
module
Yes
Good
connection?
Replace
Mainboard
This failure relates to secure-
equipped radios and indicates a
failure to load key with the KVL
indicated by the message
"KEYFAIL" and key-fail tone.
Typical failure modes would be:
1) Open between UCM-CE-Audiojack
which places radio in Keyload mode.
2) Use of wrong KVL or KVL cable
for XTS 4000 radio.
3) Failure of secure module.
Synopsis
XTS 4000 UCM Kits:
Software Kits:
NNTN7056 - ADP, AES
NNTN7057 - ADP, DES-XL, OFB
NNTN7058 - ADP, DVP-XL
Use KVL - 3000 or later model Keyloader. Use with
cable 0182297T15.
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
Page 209: ......