TM 11-7440-232-12/ NAVELEX 0967-LP-275-5010
TROUBLESHOOTING CHART NO. 2
Trouble Symptom: Alarm sounds with POWER switch ON and
POWER lamp lights.
STEP
INSTRUCTION
INDICATION
YES
NO
REMARKS
For Models MD-701A/UY
and MD-701B/UY
Check for missing signals
from the following test
points on the data carrier
alarm to ground in
sequence as shown below.
TRANS DATA (TP1)
+6 vdc at all test
X
Continue
REC DATA (TP2)
troubleshooting.
TRANS CARR (TP3)
REC CARR (TP4)
TO
Voltage missing at
X
Go to Trouble-
GROUND (TP5)
TP1 or TP3.
Shooting Chart
No. 4
Voltage missing at
X
Go to Trouble-
1
TP2 or TP4
shooting Chart
No. 5
5-23
