TM 11-5840-208-30-1
PARA
SYMPTOM
CIRCUIT
CHECKS
PAGE
3-25
a.
XMTR will not fire
Z107
a. TP404
114
and no STC
Z147
b. TP4573
123
Z150
c. V501A-1
123
b.
XMTR fires through
Z147
a. V4571-7
123
deadtime.
b. TP4572
123
Z150
c. V501A-1
123
3-26
a.
No range shift and
Z146
a. TP4551, 4552, 4553
124
or no upper or lower
beam blanking.
b. TP4554
124
Z150
c. TP505
121
Z144
d. TP4402
130
3-27
a.
No range strobe.
Z109
a. TP404
114
Z148
b. V4604
144
COMPUTER
c.
R836
194
3-28
a.
No azimuth strobe
Z150
a.
TP513
121
Z149
b.
TP4655
141
3-29
a.
No focus control
Z147
a
TP4574 (-1 3VDC)
147
b.
Pin A Z147
147
FOCUS ADJ
c. R121
147
3-30
a.
High or low intensity
Z149
a. V4652-8
141
on the B-scope.
b. R4657
141
INTENSITY
ADJ.
c. R112, R142, R1100
140
3-31
a.
No video, no range
Z148
a. TP4604
145
strobe, and no range
markers.
a. TP4602
144
b.
No video and no range
Z148
markers.
Page 43
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