Table of contents
HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual vii
Sensitivity and (S+N)/N ratio ...................................................................7-28
AGC check................................................................................................ 7-28
Audio output.............................................................................................7-29
Selectivity (USB operation)......................................................................7-29
Clarifier operation..................................................................................... 7-29
Noise limiter operation ............................................................................. 7-30
Transmitter performance checks ........................................................................ 7-31
Frequency check .......................................................................................7-31
ALC ..........................................................................................................7-31
Power output and intermodulation............................................................7-31
Emergency call (9323 only)...................................................................... 7-32
8 Parts list
General information ............................................................................................. 8-1
Ordering information..................................................................................8-2
Component substitution..............................................................................8-2
Parts list ......................................................................................................8-2
9 Drawings
List of figures
Figure 2-1: Front panel of HF SSB Transceiver 9323........................................................... 2-2
Figure 2-2: Extended control head (9330) of HF SSB Transceiver 9323.............................. 2-2
Figure 2-3: Front panel of HF SSB Transceiver 9360........................................................... 2-2
Figure 2-4: Extended control head (9366) of HF SSB Transceiver 9360.............................. 2-3
Figure 2-5: Front panel and extended control head (9391) of HF SSB Transceiver 9390 ....2-3
Figure 2-6: Front panel of HF SSB Transceiver 9780........................................................... 2-3
Figure 2-7: Extended control head (9782) of HF SSB Transceiver 9780.............................. 2-4
Figure 2-8: Rear panel of HF SSB Transceivers 9323, 9360, 9390 and 9780......................2-4
Figure 3-1: 9323, 9360, 9390 and 9780 PCB block diagram ................................................3-2
Figure 6-1: Microprocessor and Audio PCB extract .............................................................6-2
Figure 7-1: Link 1 position .................................................................................................... 7-6
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