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CIRCUIT:
Final Amplifier Emitter Current.
TEST POINT: Each final emitter resistor.
MODE:
Sl on Recycle PWB in CONT. Shutdown switch OFF°
rated power into dummy load or antenna.
Full
INDICATION
REMARKS
ACTION
Normal.
DC Voltages
0.6 to 0.8 V
0.9 to 1.2 V
1.3 to 1.7 V
0.5 to 0.7 V
Waveforms
SS-250CV
SS-500V
SS-800AV
SS-500HV
Normal. Voltage peak
is
approximately
three times VDC.
CIRCUIT:
Final Amplifier Collector Voltage.
TEST POINT: Each final collector (case).
MODE:
Sl on Recycle PWB in CONT. Shutdown switch OFF.
rated power into dummy load or antenna.
Full
INDICATION
REMARKS
ACTION
DC Voltages
Normal.
+50 V
Wave forms
Normal. Peak-to-peak
voltage as much as i00
volts.
Saturation. Too much
drive,
untuned
antenna system.
One side of push-pull
amplifier
circuit
out. Final transis-
tors not properly
matched.
Reduce drive, perform
tune-up procedure.
Check final amplifier
circuitry.
SS-800AVS
Southern Avionics
Company
123
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