TM 11-7440-232-12/ NAVELEX 0967-LP-275-5010
TROUBLESHOOTING CHART NO. 2 (cont'd)
STEP
INSTRUCTION
INDICATION
YES
NO
REMARKS
For Model MD-701/UY
Check for missing signal
from the decoder error
detector CARR ALARM (TP5) +6vdc
X
Continue
to GROUND (TP5) on limiter
trouble-
discriminator as shown
shooting
below.
1
+6bdc
X
Go to step 3.
(cont.)
Check alarm monitoring
Repair trouble if found.
equipment, wiring and plug
If not, refer to next
2
connections. Refer to
higher level of
technical manual that
maintenance.
applies to the system in
which the digital data modem
is being used.
5-24
