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PO/EO: 214.07 REFS: A. C-53-771-000/MB-000 B. C-53-771-000/MC-000 FAULT FINDING OF THE AN/PRC-522.

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Presentation on theme: "PO/EO: 214.07 REFS: A. C-53-771-000/MB-000 B. C-53-771-000/MC-000 FAULT FINDING OF THE AN/PRC-522."— Presentation transcript:

1 PO/EO: 214.07 REFS: A. C-53-771-000/MB-000 B. C-53-771-000/MC-000 FAULT FINDING OF THE AN/PRC-522

2 MTPS: 1. Basic Fault Finding of the AN/PRC-522

3 FAULT FINDING OF THE AN/PRC- 522 MTPS: 1. Basic Fault Finding of the AN/PRC-522

4 Basic Fault Finding #Fault " Transceiver maintains zeroized state #Probable Cause " Transceiver

5 Basic Fault Finding #Fault " No modes recall at power up #Probable Cause " Battery " Transceiver

6 Basic Fault Finding #Fault " Transceiver serviceable without display #Probable Cause " Display disabled " Transceiver

7 Basic Fault Finding #Fault " Intermittent Rx/Tx and/or reduced radio set range #Probable Cause " Battery " Antenna whip assembly " Transceiver

8 Basic Fault Finding #Fault " Error code #Probable Cause " Transceiver

9 Basic Fault Finding #Fault " Error code 0901 #Probable Cause " Battery

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11 Confirmation #What probable cause would you look for when there is loss of transmit? " Headset-microphone or handset " Transceiver

12 Confirmation #What is the first thing that you look for when the transceiver is serviceable without display? " Check for display disabled

13 Basic Fault Finding #Fault " No transmit at 4 W output #Probable Cause " No transmit power (NTx) " Battery " Transceiver

14 Basic Fault Finding #Fault " Keypad disabled #Probable Cause " Transceiver

15 Basic Fault Finding #Fault " Loss of transmit #Probable Cause " Headset Microphone or handset " Transceiver

16 Basic Fault Finding #Fault " Loss of receive #Probable Cause " Transceiver " Headset microphone or handset

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18 Confirmation #What are three probable causes when there is no transmit at 4 W output? " No transmit power (NTx), Battery and Transceiver. #What action would be taken if the keypad was disabled? " Push followed by. If keypad cannot be enabled, replace the transceiver.

19 Basic Fault Finding #Fault " Power up fails #Probable Cause " Battery " Transceiver

20 Basic Fault Finding #Fault " 1 kHz error tone (Crypto Fail Tone) #Probable Cause " Transceiver

21 Basic Fault Finding #Fault " 1.6 kHz tone for 250 ms, 1.24 kHz tone for 250 ms, then 500 ms pause.(Key Alarm) #Probable Cause " Unprogrammed or bad COMSEC, TRANSEC, or KEK

22 Basic Fault Finding #Fault " Alternating 1 and 2 kHz tones (Error Tone) #Probable Cause " Incorrect keypad entry " Two transceivers with H selected (two master stations).

23 Basic Fault Finding #Fault " 2 kHz burst tone, 25 ms on and 475 ms off (Low Battery warning) #Probable Cause " Battery is low

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25 Confirmation #What is the probable cause for failure to Power Up? " Battery " Transceiver

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27 Final Confirmation #What does the error code 0901 mean? " Battery is low. #What would be the first thing that is checked when you have loss of transmission? " Headset-microphone or handset

28 FAULT FINDING OF THE AN/PRC- 522 MTPS: 1. Basic Fault Finding of the AN/PRC-522


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