TM 11-7440-232-12/NAVELEX 0967-LP-275-5010
TROUBLESHOOTING CHART NO. 4 (cont'd)
STEP
INSTRUCTION
INDICATION
YES
NO
REMARKS
Modem shelf position
A2 continuity check.
(1) Same test hookup
as shown in step 2.
(2) Move meter leads as
described below.
For Model MD-701BIUY
TB TERM 17 to PIN L
TERM 19 to PIN 9
For Models MD-701IUY
and MD-701AIUY
TB1 TERM 17 to PIN L
TERM 19 to PIN 9
3
NOTE
Numbered terminals
1-10 are on the solder
side of the PCC module
extender. Lettered ter-
minals A-L are on the
component side.
ALL MODELS
X
Go to step 4.
If results not acceptable .................................................................................... Replace
modem shelf,
resume
operation.
(3) Remove module ex-
tender and reinstall
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