TM 11-6625-3053-14
STEP
OPERATION
NORMAL INDICATION
CORRECTIVE ACTION
T/S item 6.
If alinement ends here:
Deenergize sig gen.
Replace dust cover (para 6-20).
3,
KLYSTRON FILAMENT ALINEMENT
Deenergize sig gen.
Remove instrument dust cover if on (para 6-20).
Set MODULATION switch to RF OFF.
Attach multimeter neg probe to test pin 11 & pos probe to test pin 18 on the A2A2 card assy to
measure dc voltage.
Measurement must be taken before the delay circuit has operated.
Voltage should read +6.0 VDC +/- 0.1 VDC.
Within 1 min. of turning POW-ER
ON, adjust R1 of the A2A2 circuit
board for a reading of +6.0 VDC.
If voltage is not obtained, go to
T/S item 10.
If alinement ends here:
Deenergize sig gen.
Replace high voltage cover (para 6-22).
Replace instrument dust cover (para 6-20).
4
BEAM CURRENT ALINEMENT
Remove sig gen dust cover if on (para 6-20).
Set MODULATION switch to RF OFF.
Energize sig gen if off.
6-30