Chart 17. Key Load Fail - Motorola ASTRO XTS 3000 Service Manual

Verify the use of the correct keyloader per the following table:
Secure Module Kit(s)
NTN8253
NTN8254
NTN8255
NTN8256
NTN8257
NTN8258
NTN8259
NTN8260
NTN8261
NTN8326
NTN8328
NTN8329
NTN8330
NTN8331
NTN8418
NTN8705
0105956V67
Verify the use of the correct KVL cable as a TKN8506.
Obtain correct
KVL and cable.
Verify and repair
connection of RTSIN*,
RS232_DIN, and
CTSOUT* signals from
KVL to universal
connector to J101.
Verify operation of
Yes
Good
MUX by seeing +5V
on U717-4 and connection?
activity on U717-2.
No
MUX
Replace
OK? U717.
Yes
Replace
U702.
Keyload
Failure
KVL Kit(s) Description
T3011DX DES
T3011DX DES-XL
T3011DX DES-OFB
T3012DX DVI-XL
T3014DX DVP-XL
T3011DX DES-OFB/DES-XL
T3011DX & T3014DX DES-OFB/DVP-XL
T3011DX & T3014DX DES-XL & DVP-XL
T3014DX & T3012DX DVP-XL & DVI-XL
T3011DX & T3012DX DES-OFB/DVI-XL
T3010DX DVP
T3012DX & T3010DX DVI-XL & DVP
T3011DX & T3010DX DES-XL & DVP
T3014DX & T3010DX DVP-XL & DVP
T3011DX DES-OFB/DES
T3011DX & T3010DX DES-OFB &DVP
KVLS3000 All Encryption
except DVP
No Correct
equipment?
Yes
With KVL attached to
radio and radio on,
verify display
message "KEYLOAD"
With KVL attached to
radio and radio on,
"KEYLOAD"
Yes
No
inititate a keyload by
message
pressing P-T-T on the
displayed?
keyloader and look for
activity on J601-15.
Verify connection
of KEYFAIL*
No
from the universal
connector pin 13 to
J101-2 and U717-1.
No
Repair
connection.
Synopsis
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 C which places
radio in Keyload mode.
2) Use of wrong KVL or KVL
cable for ASTRO Digital
XTS 3000 radio.
3) Failure of secure module.
Verify
Yes
Activity? connection
across J601.
No Good
Repair
connection?
connection.
MAEPF-26031-A

Chart 17. Key Load Fail

Yes
Replace
secure module.
10-19