TM 11-5840-217-34-1
3-4.
AC DISTRIBUTION CHECKS
CONDITIONS
CIRCUIT
KEY POINTS
PAGE
Power supply pilot light does not come on,
AC distribution
a. S1801
M1001
does not read red line, and blower motors do
b. F1801
not
operate.
M1001 does not read red line, blower motors
AC distribution
a. S1001B
do
not operate.
b. S1802
M1001 does not read red line, only
AC distribution
S1101B
coordinator
cabinet blower motor operates.
Modulator and receiver-transmitter blower
AC distribution
a. S802B
motors do not operate, transmitter will not
b. S1801
fire, antenna will not move in azimuth or
c. F1802
elevation, and no beam switching.
Figure 2. AC distribution block diagram.
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