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500 WATT RADIOBEACON TRANSMITTER
ND2000A-02x-xx0
Page 5-27
15 January 2005
Table 5-2 Functional Test/Adjustment Check List
ESTABLISHED REFERENCES
VOLT READING
B- VOLTS______VDC
+24 VOLTS______VDC
+15 VOLTS______VDC
CORRECTION FACTORS:
-15 VOLTS______VDC
Carrier Frequency ............................__________kHz Station
Identification Code ................ ____________
Intended Carrier Level ...................._________Watts
Intended Modulation Depth (MCW) ...__________ %
Modulation Depths (A2A/A3E) ................................... Keyed
Tone Frequency......................__________Hz
- Tone Percentage .............................. __________% Changeover
Time
Delay ..................______Seconds
- Voice Percentage..............................__________% Tone
Frequency .................................__________Hz
Carrier Fault Threshold Level ........._________Watts Mod
Fault Threshold Level.................__________ %
External Standby #1 Side A ........... ______________
External Standby #2 Side A ............... ____________
External Standby #1 Side B ........... ______________
External Standby #2 Side B ............... ____________
Low Battery Threshold ................... __________VDC
Monitor Switch (
VOLTS
or
CURR
)....... ____________
FUNCTIONAL TEST RESULTS
NOTE
Functional test/adjustment checks are the same for both sides of
the transmitter (A and B). In most instances, the following check
list will be applicable to either side.
PARA
FUNCTION OBSERVED
TEST RESULTS
TOLERANCES
5.3.3 (g)
Lamp
status
Accept
Reject
Specified lamps on
(i)
Lamp
status
Accept
Reject
Specified lamps on
5.3.4.1
(d)
B- Vdc (Unloaded)
A______V dc
B______V dc
-51.0 VDC
5.3.4.2 (c) Lamps
status Accept
Reject
Specified lamps on
(d)
Lamps
status
Accept
Reject
Specified lamps off
(e)
Blower fans A2B1 (A3B1)
Accept
Reject
Both sides operating
(h)
+24 volts dc
A______V dc
B______V dc
+23.8 to +24.2 V dc
(n)
+15 volts dc
A______V dc
B______V dc
+14.7 to +15.3 V dc
(s)
-15 volts dc
A______V dc
B______V dc
-14.25 to -15.75 V dc
(w)
+15 volts dc (Monitor)
A______V dc
B______V dc
+14.5 to +15.5 V dc
(y)
+15 volts dc (Pwr/Sup)
Accept
Reject
+14.5 to +15.5 V dc
(aa)
-15 volts dc (Monitor)
Accept
Reject
-14.25 to -15.75 V dc