User's Manual

385700-1006-006 MAINTENANCE AND TROUBLESHOOTING
Document use is restricted to that described on cover 5-8
5.4 TEST PROCEDURES
Refer to Table 5-3 for a list of test equipment to perform the following test procedures. If
necessary, substitute an equivalent to the equipment listed.
The following test procedures help the user verify that a radio is faulty. Return faulty radios to
Andrew Corporation for maintenance and repair. Refer to paragraph 2.1.1 for equipment
return information.
Equipment
Qty
Part Number
Computer Terminal 1 IBM PC w/Procomm Software
Diagnostic Cable (Mobile) 1 385700-1811
Diagnostic Cable (Base) 1 385700-3811
Power Attenuator w/N Connector 1 Inmet 12N10W-20 dB
Spectrum Analyzer 1 HP8595A
RF Test Cable, w/N Connector 2 RG214
Attenuator 20 dB A/R Inmet 6N-20
Oscilloscope 1 Tektronics 2465 or equivalent
General Purpose Meter (DVM) 1 Fluke 77 or equivalent
Table 5-3 Test Equipment
5.4.1 MDR POWER VERIFICATION
1. Attach a 2 watt or greater, 20 dB power attenuator to the radio’s ANTENNA
port.
2. Using a power supply with a current and voltage meter, power up the radio with
24 VDC.
3. Place unit’s power switch to the ON position.
4. For 24 VDC input, nominal current is 1.0 amps with the transmitter
off. When the transmitter is on nominal current consumption is
1.6 amps.
5.4.2 BDR POWER VERIFICATION
1. Place CB1 to the
ON
position.
2. Ensure that the BDR lights its front panel
POWER ON
indicator.
3. Verify that the fan is on by listening to the sound.
NOTE
If the PC is properly connected to the radio
DIAGNOSTIC PORT, the LCP menu
automatically appears on the screen after the
radio is ON and the radio self-test is completed.