TM 11-5821-333-30
Section Ill. TROUBLESHOOTING
6-11. GENERAL
This section provides the troubleshooting procedures used to fault isolate a defective maintenance group. The
troubleshooting information is presented in the form of flow charts. They systematically get from a symptom to
the bad component(s).
6-12. EQUIPMENT DATA
This paragraph provides equipment data for the maintenance group. This data may prove useful during trouble-
shooting.
Physical Characteristics:
Weight
86 lb. (39 kg)
Length
26 in. (66.0 cm)
Width
20 in. (50.8 cm)
Height
22 in. (56,3 cm)
Power Input:
DC: 28 V (25 to 31 V) at 10 A (9 to 11 A)
AC:
115 V at 60 Hz at 20 mA (18 to 22 mA)
Voltages Output:
TP21: 5 V dc (4.5 to 5.5 V dc)
TP22: 6.75 V dc (6.25 to 7.25 V dc)
TP23: 28 V dc
TP24: 0 V dc (ground)
Logic Levels:
Logic 1:
4.7 to 7,25 V dc
Logic 0: 0 to 2.25 V dc
Rf Power Output (40 dBm ref rt output power):
at J10: 100 mW (20 dBm)
at J3: 0.001 µW (–60 dBm)
Rf Power Input (minimum levels based on ref rt receiver sensitivity of -117 dBm):
at J3
max: 25 W (+44 dBm)
rein: 20 µW (-17 dBm)
at J10
max: 251 mW (+24 dBm)
rein: 0.2 µµW (-97 dBm)
minimum levels based on ref rt
receiver sensitivity of –117 dBm
Rf Load Capabilities:
AT1
AT2
AT7
AT8
AT9
AT10
Power Limit:
25W
25W
25W
2W
2 5 W 0 . 5W
Attenuation:
20dB
20dB
20dB
60dB
20dB
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