Harris DX 25U, Техническое руководство

Страница: 105 / 274

Figure 6-4
RF Drive Waveform at RF Amplifier, Gate of Q3 (anode of
CR3). RF Amplifier turned OFF. (5Vp-p per division)
Figure 6-5
RF Drive Waveform as seen at RF Amp Gate of Q3 (anode of
CR3). RF Amp turned ON. (5Vp-p per division)
Figure 6-6
RF Drain Waveform as seen at RF Amp, Drain of Q3 (TP1)
RF Amp turned ON. Shows zero crossing reference phase,
and measured phase approximately 4 degrees lagging.
(2Vp-p per division, X10 Magnification)
Figure 6-7
RF Drain Waveform as seen at RF Amp, Drain of Q3 (TP1)
RF Amp turned ON. Shows zero crossing reference phase, and
measured phase approximately 4 degrees lagging. (20Vp-
p per division, X10 Magnification)
Section VI - Troubleshooting
Rev. R: 11-11-96 888-2297-002 6-23
WARNING: Disconnect primary power prior to servicing.