VAL AWOS 2000, Руководство по обслуживанию и ремонту

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VAL AVIONICS LTD
VAL AVIONICS LTD VAL AVIONICS LTD
VAL AVIONICS LTD
AWOS 2000
AWOS 2000 AWOS 2000
AWOS 2000 –
– –
– VHF TRANSMITTER
VHF TRANSMITTER VHF TRANSMITTER
VHF TRANSMITTER
MAINTENCE AND REPAIR MANUAL MAINTENCE AND REPAIR MANUAL MAINTENCE AND REPAIR MANUAL MAINTENCE AND REPAIR MANUAL
Revision 1 Page 10 of 13
April 2012
8. Lift the transmitter board from the unit.
3.3 Reassembling the Unit
1. Reverse the disassembly instructions for the modules that have been
disassembled.
4 Service and Testing
4.1 Initial Alignment / Return to Service
After completing all necessary maintenance and/or service, the following test
procedure is provided to ensure that all AWOS 2000 functions are operating
properly.
4.1.1 Test Equipment Required
•
A 0 to 30V DC/ 5 amp power supply
•
AWOS 2000 installation/mounting harness
•
Digital multimeter
•
Oscilloscope 20 MHz minimum
•
Radio service monitor (IFR 1200S recommended)
•
Standard radio headset
4.1.2 Setup
•
Pre-set the power supply to +13.75V DC.
•
Connect the positive output of the power supply to the red power-in wire
on the harness.
•
Connect the negative output of the power supply to the black wire on the
harness.
•
Connect the wiring harness to J101.
•
Connect the headset to the microphone and headphone jacks.
•
Connect the RF input to the service monitor.
•
Apply power to the system.
•
Monitor the power and voltage with the digital multimeter and set the
power supply to +13.75V DC.
•
If unit is not already on set the power switch to turn the unit on.