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TO 31R2-2TRC199-1
6-12
b.
Replace the power supply with a known good power supply.
6-5.1.6
Diplexer Removal/Replacement.
Remove/replace the diplexer as follows:
a.
To remove the diplexer (33, Figure 7-1), disconnect the coaxial cables (23, 30, and 31) leading to the
tactical repeater assembly (1) and the power supply (21).
b.
Remove the screws (35), washers (36), and shock mounts (24, 27, and 28) under the diplexer holding
the diplexer to the weldment frame (5).
c.
Replace the diplexer with a known good diplexer for the same frequency band.
6-5.1.7
Tactical Repeater Assembly Removal/Replacement.
Remove/replace the tactical repeater assembly as follows:
a.
Disconnect the coaxial cables (30, 31, Figure 7-1), the power cable (32), and the grounding strap (34).
b.
Loosen the two screws (35) that secure the front clamp (37) to the weldment frame (5).
c.
Raise the front of the tactical repeater assembly (1) and slide it forward.
d.
Replace the tactical repeater with a known good tactical repeater.
6-5.2
Removal/Replacement Procedures - Repair Specialist.
These procedures are authorized to be performed by the repair specialist only, and are in addition to those performed by
the operator. These procedures are not applicable to the operator. Prior to performing any remove/replace procedures,
ensure the equipment is powered down and disconnected from the power source and remove all accessories (antenna
cable). To replace components into the tactical repeater, reverse the removal procedures, unless otherwise directed.
Before performing removal/replacement procedures, make sure power is removed from the unit.
Failure to do so could result in personal injury or equipment damage.
ELECTROSTATIC DISCHARGE
The tactical repeater contains components that are susceptible to damage by static electrical
charges. Disassembly of the tactical repeater should only be done at a properly grounded work
station.
6-5.2.1
Repeater Control Circuit Card Assembly (CCA) (A3) (SS-4100805-501) Removal/Replacement.
Remove/replace the repeater control CCA (A3) as follows:
a.
Remove the bottom cover (20, Figure 7-2) by removing the 16 screws (7) that secure the bottom cover
to the chassis.
b.
Unplug the repeater control CCA (A3) (21) by pulling evenly on the card connectors at each end of the
card.
c.
Replace with a known good repeater control CCA (A3) by pushing evenly on the card extractors at each
end of the card. Ensure that the card edges are aligned with the tracks on the sides of the chassis.
WARNING
CAUTION
Summary of Contents for AN/TRC-199
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Page 15: ...TO 31R2 2TRC199 1 1 1 Figure 1 1 Radio Set AN TRC 199 Sheet 2 of 3...
Page 16: ...TO 31R2 2TRC199 1 1 2 Figure 1 1 Radio Set AN TRC 199 Sheet 3 of 3...
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Page 48: ...TO 31R2 2TRC199 1 5 2 Figure 5 1 Tactical Repeater System Functional Block Diagram 28 120...
Page 51: ...TO 31R2 2TRC199 1 5 5 Figure 5 2 Repeater Control CCA A3 Functional Block Diagram...
Page 52: ...TO 31R2 2TRC199 1 5 6 Figure 5 3 15 Watt Power Amplifier Assembly A6 Functional Block Diagram...
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Page 71: ...TO 31R2 2TRC 199 1 7 5 HOW TO USE THE ILLUSTRATED PARTS BREAKDOWN...
Page 72: ...TO 31R2 2TRC 199 1 7 6 HOW TO USE THE ILLUSTRATED PARTS BREAKDOWN...
Page 73: ...TO 31R2 2TRC 199 1 7 7 This Page Left Blank Intentionally...
Page 74: ...TO 31R2 2TRC 199 1 7 8 Figure 7 1 Radio Set AN TRC 199 Sheet 1 of 2...
Page 75: ...TO 31R2 2TRC 199 1 7 9 Figure 7 1 Radio Set AN TRC 199 Sheet 2 of 2...
Page 79: ...TO 31R2 2TRC 199 1 7 13 Figure 7 2 Tactical Repeater Assembly SS 4100806 501 Sheet 1 of 2...
Page 80: ...TO 31R2 2TRC 199 1 7 14 Figure 7 2 Tactical Repeater Assembly SS 4100806 501 Sheet 2 of 2...
Page 84: ...TO 31R2 2TRC 199 1 7 18 This Page Left Blank Intentionally...
Page 85: ...TO 31R2 2TRC 199 1 7 19 Figure 7 3 Power Amp Assembly 15W SS 4100853 501...
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Page 93: ...TO 31R2 2TRC199 1 FP 1 FP 2 blank FO 1 Radio Set AN TRC 199 Interconnection Diagram...
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