TM 5-6675-319-14
ac.
Check accuracy of Dodging and Exposure circuits as follows:
I n j e c t i n to
Set %
TPI
Dodginq to
(1) No Input Current
MIN
(2) No Input Current
MIN
(3) No Input Current
MIN
(4) 50 µ A from TP33
MAX
(5) 5.0 µ A from TP55
MAX
(6) 0.5 µ A from TP6
MAX
ad.
Turn off MASTER POWER switch.
ae.
T u r n o f f c i r c u i t b r e a k e r.
a f .
ag.
ah.
a i.
a j .
ak.
a l .
am.
an.
ao.
Set
Exposure
L e v e l t o
0 .
0
1.0
2 .0
Vary Betw
0.2 and 2.0
Vary Betw
0.2 and 2.0
Vary Betw
0.2 and 2.0
PMT Meter
Reading
Tolerance
50 µ A
5%
5.0 µ A
5%
0.5 µ A
5%
50 µ A
10%
5.0 µ A
10%
0.5 µ A
10%
Remove circuit card VDSF-2 from extender board.
Remove test lead from TP1.
R e i n s t a l l a l l c i r c u i t c a r d s i n t h e i r p r o p e r l o c a t i o n s i n c i r c u i t c a rd
assembly.
Reinstall circuit card holddown bracket on circuit card assembly and
secure with two screws.
Close operator’s console.
Replace PMT (paragraph 9-20.20).
Lower and latch hood.
Turn on circuit breaker.
Raise hood.
Turn on MASTER POWER switch.
9-183
