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CIRCUIT:
Input to Final.
TEST POINT: TP3 (yellow) on Driver PWB.
MODE:
S1 on Recycle PWB in CONT. Shutdown switch OFF.
rated power into dummy load or antenna.
Full
INDICATION
REMARKS
ACTION
DC Voltages
Normal. Bias voltage
to final.
+0.6 V ±0.2 V
0-V
+5O V
Waveforms
Bais diodes to final
shorted.
Fuse to
final blown.
Final bias diodes
open. Final emitterl
resistors
open.
Final
transistors
ishorted or open.
Normal. Peak-to-peak
voltage may vary with
individual
dual
transmitters.
Remove
AC
power.
Check forward and
reverse
resistance
between TP3 and TPI to
check bias diodes to
final.
Remove
Ac
power.
Check final compo-
nents.
SS-800AVS
Southern Avionics
Company
121
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