Harris DX 25U Technical Manual page 104

DX-25U
Figure 6-1
Upper Trace - Demodulated audio at 100Hz, 100% Modulation
at 10kW showing missing step due to failed RF Amp.
Lower Trace - Modulation Encoder signal for missing step 10.
Figure 6-2
Upper Trace - Demodulated audio at 100Hz, 125% + peak,
ramp modulation at 10kW showing missing step 56.
Lower Trace - Modulation Encoder signal for step 56.
6-22 888-2297-002
WARNING: Disconnect primary power prior to servicing.
Figure 6-3
Pin Identification of MOSFET.
Rev. R: 11-11-96