User's Manual
Table Of Contents
- KH1264 ISSUE 1
- CHAPTER 1
- CHAPTER 2
- CHAPTER 3
- CONTENTS
- ILLUSTRATIONS
- Figure 1 - Transceiver (DTX-A3): Module Locations 34
- Figure 2 - Drive Control Unit (GTX-A24): Module Locations 35
- Figure 3 X-band Upmast Transceiver (DTX-A3): Functional Diagram Figure 3 38
- Figure 4 X-band Upmast Transceiver (DTX-A3): Interconnection Diagram Figure 4 39
- Figure 5 - Drive Control Unit (GTX-A24): Block Diagram 319
- CHAPTER 4
- CONTENTS
- TABLES
- ILLUSTRATIONS
- Figure 1 - Transceiver (DTX-A3): Installation Dimensions 49
- Figure 2 - Transceiver (DTX-A3): Mast Mounting 410
- Figure 3 - Transceiver (DTX-A3): Fitting Kit 411
- Figure 4 - Suggested Antenna Lifting Arrangement 412
- Figure 5 - Drive Control Unit (GTX-A24): Installation Dimensions 413
- Figure 6 - Mains Isolator: Installation Dimensions 414
- Figure 7 - Transceiver (DTX-A3): Cableform Routing 419
- Figure 8 - Drive Control Unit (GTX-A24): Cableform Routing 420
- Figure 9 - Cable Gland: Assembly 421
- Figure 10 - Transceiver (DTX-A3): External Connections 423
- CHAPTER 5
- CHAPTER 6
- CONTENTS
- INTRODUCTION 63
- PLANNED MAINTENANCE 63
- DIAGNOSTIC MAINTENANCE 64
- CORRECTIVE MAINTENANCE 611
- TRANSCEIVER (DTX-A3) 612
- Access 612
- Removal of Rotating Joint (45-750-0034-001) 612
- Replacement of Rotating Joint (45-750-0034-001) 613
- Removal of Gearbox and Motor (55-100-0273-001) 613
- Replacement of Gearbox and Motor (55-100-0273-001) 613
- Removal of Azimuth Encoder (GTX-A188) 613
- Replacement of Azimuth Encoder (GTX-A188) 613
- Transceiver (DTX-A115) - Removal 614
- Transceiver (DTX-A115) - Replacement 614
- Power Supply (45-690-0062-002) and PSU Sense PCB (DTX-A121) - Removal 615
- Power Supply (45-690-0062-002) and PSU Sense PCB (DTX-A121) - Replacement 615
- CAN Adapter PCB (NNR-A981) - Removal 615
- CAN Adapter PCB (NNR-A981) - Replacement 615
- SharpEye Azimuth Interface PCB (DTX-A151) - Removal 616
- SharpEye Azimuth Interface PCB (DTX-A151) - Replacement 616
- DRIVE CONTROL UNIT (GTX-A24) 618
- CHECKS AFTER UNIT REPLACEMENT 620
- TRANSCEIVER (DTX-A3) 612
- ILLUSTRATIONS
- CONTENTS
- CHAPTER 7
- INSTALLATION AND SERVICE REPORTS

Power Sup ply (45-690-0062-002) and PSU Sense PCB (DTX-A121) - Removal
23 To remove the Power Supply, proceed as follows:
(1) Remove the connectors from the Power Supply.
(2) Release the two captive screws securing the Power Supply to the base of the case.
(3) Pull the unit out, releasing the two securing flanges securing the power supply to
the baseplate, and remove the power supply.
24 To remove the PSU Locating Plate, complete with mains filter, from the Power Supply
(Modular) Xgen series (45-690-000062-002) remove and retain the four screws securing
the PSU Locating Plate to the power supply and disconnect the cable from the mains filter.
Retain the PSU Locating Plate.
Power Sup ply (45-690-0062-002) and PSU Sense PCB (DTX-A121) - Re place ment
25 To replace the Power Supply Assembly reverse the above procedure. Ensure the two
flanges are correctly inserted into baseplate.
CAN Adapter PCB (NNR-A981) - Re moval
26 To remove the CAN Adapter PCB, proceed as follows:
(1) Remove the connectors from the CAN Adapter PCB.
(2) Remove and retain the six screws securing the CAN Adapter PCB and remove
the PCB.
CAN Adapter PCB (NNR-A981) - Re place ment
27 To replace the CAN Adapter PCB reverse the above procedure. Ensure SW1 on the
replacement PCB is set as follows:
Position 1 OFF
Position 2 OFF
Position 3 OFF
Position 4 ON
KH1264
Chap ter 6
Is sue 2 Page 6.15