Keyload Failure - Motorola ASTRO XTS 5000 Detailed Service Manual

5-34

5.17 Keyload Failure

Obtain correct
KVL and
cable
Verify and repair
connection of UC_CTS,
UC_RS232DIN_USB-,
and UC_OPT_SEL2 signals
from KVL to universal
connector to J101
Verify operation of
voltage translator
circuit by seeing
activity on R315
October 14, 2003
Keyload Failure
Verify the use of the correct secure kit and key loader:
XTS 5000 UCM Kits:
Software Kits:
NNTN4006A - DES, DES-XL, DES-OFB
NTN9837A - DES, DES-XL, DES-OFB with DVP-XL
NTN9838A - DVI-XL
NTN9839A - DVP-XL
NNTN4197 - AES
NNTN4198 - AES with DES, DES-XL, DES-OFB
Hardware Kits:
NTN9738C
NNTN5032A
Use KVL - 3000 or later model Keyloader. Use with
cable TDN9390.
No Correct
equipment?
Yes
With KVL attached to
radio and radio on,
verify display
message "KEYLOAD"
No "KEYLOAD"
message
displayed?
Verify connection
of KEYFAIL
from the universal
connector pin 13 to
J101-2 and D301
Good
No Repair
connection?
connection
Yes
Replace
Translator No
translator
circuit OK?
circuit
Yes
Replace
VOCON
board
Troubleshooting Charts: Keyload Failure
This failure relates only 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 universal
connector uC which places radio
in Keyload mode.
2) Use of wrong KVL or KVL cable
for XTS 5000 radio.
3) Failure of secure module.
With KVL attached to radio
and radio on, initiate a
Yes
keyload by pressing PTT on
the keyloader and look for
activity on J701-1
No
Activity?
Repair
connection
Synopsis
Verify
Yes
connection
across J701
Good
No
connection?
Yes
Replace
secure
module
MAEPF-27388-B
6881094C31-C