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TM 11-6625-2884-30/NAVAIR 16-35TS3615-2
d.
Procedure.
Measure the time
1.
difference between
the leading edge of
the CS sync pulse
and the negative
going crossover of
sine wave. It shall
be equal to or less
than 0.5 ins., dc
termination.
BTS VIDEO (A)
5 VOLTS/DIV
CS SYNC (B)
5 VOLTS/DIV
SWEEP:
1 ms/DIV
a.
Check voltages of
BTS Power Supplies
1A3 PSI, 1A3 PS2,
1A3 PS3 and 1A3
PS4.
b.
Replace circuit
cards 1A3A1 and
1A3A2 . Reinstall
circuit cards if
if there is no
improvement.
Replace RF Modula-
co
tion Assembly 1A3.
3-47
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