jotron TA-7650C - Default Chapter; Table of Contents

85894_M&R_TA7650C_A 6
TABLE OF CONTENTS
1
MAINTENANCE AND TROUBLESHOOTING .................................................................................... 1-1
1.1 ENVIRONMENTAL CHECK ...................................................................................................................... 1-1
1.2 ALARM READING .................................................................................................................................. 1-1
1.3 TX BITE MENU ...................................................................................................................................... 1-2
1.3.1 BITE alarm condition ................................................................................................................... 1-3
2 TECHNICAL DESCRIPTION TA-7650C .............................................................................................. 2-1
2.1 INTRODUCTION ..................................................................................................................................... 2-1
2.2 MAIN MODULE ...................................................................................................................................... 2-2
2.2.1 Main board ................................................................................................................................... 2-2
2.2.1.1 DSP .......................................................................................................................................... 2-2
2.2.1.2 Audio ........................................................................................................................................ 2-2
2.2.1.3 Baseband DACs ....................................................................................................................... 2-2
2.2.1.4 PA Feedback ADC ................................................................................................................... 2-2
2.2.1.5 BITE interface .......................................................................................................................... 2-3
2.2.1.6 I/O interface .............................................................................................................................. 2-3
2.2.1.7 Ethernet controller .................................................................................................................... 2-3
2.2.1.8 Memory .................................................................................................................................... 2-3
2.3 FRONT MODULE .................................................................................................................................... 2-3
2.3.1 Front board .................................................................................................................................. 2-3
2.4 PA MODULE .......................................................................................................................................... 2-3
2.4.1 PA board ...................................................................................................................................... 2-3
2.4.2 Regulator board ........................................................................................................................... 2-5
2.5 MODULATOR MODULE .......................................................................................................................... 2-5
2.5.1 Modulator board .......................................................................................................................... 2-5
2.6 SOFTWARE MODULE .............................................................................................................................. 2-6
2.7 PSU-7002 POWER SUPPLY UNIT ........................................................................................................... 2-6
2.8 REMOTE DATA INTERFACE ................................................................................................................... 2-6
3 DIAGRAMS................................................................................................................................................ 3-1
3.1 TA-7650C TRANSMITTER UNIT ............................................................................................................. 3-1
4 PARTS LIST............................................................................................................................................... 4-1
5 APPENDIX ................................................................................................................................................. 5-1
5.1 PSU-7002 BILL OF MATERIALS ............................................................................................................. 5-1
5.2 PSU-7002 DIAGRAM 1OF 2 ................................................................................................................... 5-7
5.2.1 PSU-7002 diagram 2of 2 .............................................................................................................. 5-8