User's Manual
Table Of Contents
- GENERAL MANUAL INFORMATION
- PREPARATION FOR STORAGE OR SHIPMENT
- DESCRIPTION OF EQUIPMENT
- LOCATIONS AND DESCRIPTIONS OF MAJOR COMPONENTS
- EQUIPMENT CHARACTERISTICS
- INSTALLING THE RADIO EQUIPMENT
- INTERCONNECTIONS
- CABLE AND GROUND REQUIREMENTS
- COMPONENT JACK LOCATIONS
- INITIAL PREPARATION FOR USE
- RADIO APPLICATION CODE UPGRADE
- PN SPREADING CODE SELECTION
- ANTENNA AND CABLE INSTALLATION
- CONTROLS AND INDICATORS
- STARTUP AND SHUTDOWN PRODECURES
- OUTPUT POWER SETTINGS
- ANTENNA PLACEMENT
- FUNCTIONAL DESCRIPTION OF EQUIPMENT
- PREVENTIVE MAINTENANCE, INSPECTION, AND CLEANING
- TROUBLESHOOTING
- CORRECTIVE MAINTENANCE
- TEST PROCEDURES
- MDR TESTS
- BDR TESTS
- RADIO DATA PORT TO USER SUPPLIED EQUIPMENT INTERFACE
- PARTS LIST
- BASE DATA RADIO MECHANICAL OUTLINE
- DIAGNOSTIC MENU
- MDR DIAGNOSTIC LCP MENU
- LCP COMMANDS
385700-1006-006 MAINTENANCE AND TROUBLESHOOTING
Document use is restricted to that described on cover 5-14
5. Compare the output spectrum peak level to BDR Output Spectrum. The level
should be within ± 3 dB of
Error! Reference source not found.
.
6. At the LCP menu, select command #15 (Disable Transmitter). The signal
should be a minimum of 40 dB below the enable levels.
5.6.3 BDR ONLY RECEIVER FAULT ISOLATION TEST SETUP
Preparation for the test to isolate the BDR receiver fault is similar to the transmitter test setup.
Referring to Figure 5-9, BDR Receiver Fault Isolation Test Setup, perform the following
actions:
1. Connect the power cable to the BDR.
2. Connect the PC to the BDR with a diagnostic cable at
DIAGNOSTIC
port.
Figure 5-9 BDR Receiver Fault Isolation Test Setup
5.6.4 BDR ONLY RECEIVER FAULT ISOLATION TEST
After preparing for the test, perform the following to isolate the receiver fault:
1. Place BDR power switch to the
ON
position.
2. Bring up the Diagnostic LCP screen. Refer to section 2.5.2 for details. Verify
that the radio self test is completed successfully.
3. After the LCP menu appears, select command #12 (Set Lower Threshold). Set
the lower threshold to 01.
4. Select command #14 (Set Lower Lock Threshold). Set the threshold to 01.
5. Select command #10 (Set Upper Threshold). Set the threshold to 02. If the
BDR does not light the RECEIVER LOCK indicator, replace the BDR.
6. Select command #12 (Set Lower Threshold). Set the lower threshold to FE.
7. Select command #14 (Set Lower Lock Threshold). Set upper threshold to FE.
8. Select command #10 (Set Upper Threshold). Set lower lock threshold to FF.
9. If the BDR RECEIVER LOCK indicator is still on, replace the BDR.
10. Place BDR power switch to the
OFF
position.
PC
BDR
Diagnostic
J4
Antenna
J5
20 dB
Power
Attenuator