TM 11-5840-217-34-1
3-10. RECEIVER-TRANSMITTER POWER SUPPLY CHECKS
CONDITIONS
CIRCUIT
KEY POINTS
PAGE
When S404 is in position 4
+150 power
a. M401-4
(+150),
supply
M401 reads zero or low.
b. TB301-9
c. TB302-8
d. T301, 8-4-9
When S404 is in position 1 (-
-750 power
a. M401-1
750),
supply
M401 reads zero or low.
b. TB302-3
c. T301, 3-4-5
When S404 is in position 2 (-
-300 power
a. M401-Z
300)
supply
M401 reads zero or low.
b. TB302-4
c. T301, 6-4-7
M401 reads zero in all positions AC distribution
a. T 301, 1-2
of
S404 except position 10 (-27V).
b. TB301, 1-2
c. S402
d. F401
e. AC distribution (fig 2)
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