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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
Содержание AN/TRC-199
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Страница 48: ...TO 31R2 2TRC199 1 5 2 Figure 5 1 Tactical Repeater System Functional Block Diagram 28 120...
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Страница 52: ...TO 31R2 2TRC199 1 5 6 Figure 5 3 15 Watt Power Amplifier Assembly A6 Functional Block Diagram...
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