User's Manual

UPCONVERTER/AMPLIFIER 5543A DIGITAL AGILE PAGE 11
UPCONVERTER/AMPLIFIER
INTERNAL LED INDICATORS
ASSEMBLY LED INDICATES
ALC/AGC BOARD DS1 RED INPUT FAULT
ALC/AGC BOARD DS2 RED ALC FAULT
ALC/AGC BOARD DS3 RED MUTE
ALC/AGC BOARD DS4 RED AGC FAULT
VHF GENERATOR CONTROL BD DS1 RED PLL UNLOCKED
BIAS PROTECTION BOARD DS1-DS7 GREEN NORMAL OPERATING AND
BIASING VOLTAGES
PRESENT
DC POWER SUPPLY BOARD DS1-DS7 GREEN CORRECT VOLTAGES
PRESENT
TRANSMITTER CONTROL BOARD DS1 GREEN ENABLED
TRANSMITTER CONTROL BOARD DS2 GREEN THERMAL INTERLOCK
TRANSMITTER CONTROL BOARD DS3 GREEN EXT. REFERENCE PRESENT
TRANSMITTER CONTROL BOARD DS4 GREEN IF PRESENT
TRANSMITTER CONTROL BOARD DS5 GREEN PLL LOCKED
TRANSMITTER CONTROL BOARD DS6 RED LOW OUTPUT
TRANSMITTER CONTROL BOARD DS7-GREEN SWITCHING POWER
SUPPLIES GOOD
PEAL VS AVERAGE DETECTOR BOARD DS1-RED FAULT