TM 11-5840-217-34-1
3-7.
COMPUTER SYSTEM CHECKS
CONDITIONS
CIRCUIT
KEY POINTS
PAGE
RANGE counter does not move. Elevation isolation
a. TP812
amplifier
and range servoamplifier
b. TP811
c. TP1403
d. TP1404
ELEVATION handwheel fails to
Range servo amp, range
a. TP811
drive RANGE counter.
servo motor B1401
b. B1401
c. TP812
RANGE counter drives in or out.
Range feedback
a. TP1405
b. TP811
c. TP81Z
RANGE and ELEVATION
Azimuth isolation
B1302, S1
handwheels
amplifiera.
fail to drive X and Y counters.
X counter does not move.
X servoamplifier
a. TP1502
b. TP803
Y counter does not move.
Y servoamplifier
a. TP1552
b. TP809
X counter drives in or out.
X servo feedback
a. R1503
b. TP1501
Y counter drives in or out.
Y servo feedback
a. R1553
b. TP1551
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