TM 5-6675-319-14
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Remove circuit component A4 from card VDSF-2.
Insert VDSF-2 card into extender board.
Use alinement tool (jeweler’s screwdriver) and turn R37 left.
Turn on circuit breaker.
Turn on MASTER POWER switch.
Observe PMT digital meter M101 for display of 00.0.
NOTE
If PMT digital meter does not display 00.0, either meter or card VDSF-2
r. Test PMT digital meter M101 and current source as follows, using test
Inject into TP4
PMT Meter Reading
1. 50 µ A from TP3
50 µ A ± 1%
2. 5.0 µ A from TP5
5.0 µ A ± 1%
3. 0.5 µ A from TP6
0.5 µ A ± 1%
s. Turn off MASTER POWER switch.
t. Turn off circuit breaker.
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i s d e f e c t i v e.
