TM 11-5840-208-30-1
Section IX. TRANSMITTER CONTROL CHECKS
PARA
SYMPTOM
CIRCUIT
CHECK
PAGE
3-47
a.
Radiate and ready lights
27VDC
a. Interlocks
64
do not come on.
b. K603-7 (+27VDC)
64
c. K603-5 (+27VDC)
64
b.
Radiate light does
LIGHTING
a. S658
64
not come on.
CIRCUIT
b. FL1105
64
c. S1108
64
d Ground circuit from
TB1105-6
64
c.
Radiate light comes on
HOLDING
a TB1106-3 (+27VDC)
but goes out when start
CIRCUIT
constant
64
button in released.
b. S659-4thru
TB1105-6
64
d.
Radiate ready and
K1104
a TBIIO1-1 (120 VAC)
65
radiate light function
normally but there is
b. TB1101-2
65
no magnetron current
e.
Transmitter will not
FIRING
a. TB1006-2 (+27VDC)
fire, ready light is
CIRCUIT
S658 pressed
64
normal
b. TB1101-3 (+27VDC)
S658 pressed
65
3-48
a.
Transmitter will not
XMTR
a. J1152 (880V pulse)
153
fire (V1104 does not
glow)STC is present.
3-49
a
Transmitter will not fire
TRIGGER
a. P1151 (pulses 10-30V)
152
(V1153 does not glow)
AMPLIFIER
b. V115ZB-7 (200V pulse)
153
c. V1151B-7 (30V pulse)
153
d S1106 (1ZOVAC)
interlock
152
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