Watkins-Johnson Company WJ-8711A, Installation, Operation And Maintenance Manual

Page: 18 / 261

TABLE OF CONTENTS WJ-8711A DIGITAL HF RECEIVER
xviii
TABLE OF CONTENTS (Continued)
LIST OF ILLUSTRATIONS
Figure Page
7-8
Reconstructed IF Output Performance Test Equipment Connection ....................... 7-14
7-9 RF/IF Signal Path Performance Test Equipment Connection.................................. 7-16
7-10 Removing/Replacing Receiver Top Cover............................................................... 7-18
7-11 Front Panel Assembly (A1) Remove and Replace Procedures (Part 1) ................... 7-20
7-12 Front Panel Assembly (A1) Remove and Replace Procedures (Part 2) ................... 7-20
7-13 Front Panel PC Assembly (A1A1) Remove and Replace Procedures (Part 1) ........ 7-21
7-14 Front Panel PC Assembly (A1A1) Remove and Replace Procedures (Part 2) ........ 7-22
7-15 Digital Control PC Assembly (A2) Remove and Replace Procedures (Part 1) ....... 7-23
7-16 Digital Control PC Assembly (A2) Remove and Replace Procedures (Part 2) ....... 7-24
7-17 RF Tuner Assembly (A3) Remove and Replace Procedures (Part 1) ...................... 7-25
7-18 RF Tuner Assembly (A3) Remove and Replace Procedures (Part 2) ...................... 7-25
7-19 Power Supply (PS1) Remove and Replace Procedures (Part 1) .............................. 7-26
7-20 Power Supply (PS1) Remove and Replace Procedures (Part 2) .............................. 7-27
7-21 Filter/Power (FL1J1) Removal and Replacement Procedures (Part 1).................... 7-28
7-22 Filter/Power (FL1J1) Removal and Replacement Procedures (Part 2).................... 7-28
7-23 RAM/BATTERY (U5) Removal and Replacement Procedures.............................. 7-30
8-1 WJ-8711A Main Chassis Component Locations ..................................................... 8-4
LIST OF APPENDICES
Appendix A
Type WJ-871Y/REF Reference Generator Option (P/N 181280-001)
Appendix B Type WJ-8711/PRE Suboctave Preselector Option (P/N 181281-001)
Appendix C WJ-8711A/COR Carrier-Operated Relay Option (P/N 181282-001)
Appendix D Type WJ-8710/DS01, WJ-8711/DS01, and WJ-8712/DS01 Digital Signal
Output Options (P/N 181272-001)
Appendix E WJ-8711/488 and WJ-8712/488 IEEE-488 Interface Options (P/N 181283-001)
Appendix F WJ-871Y/8KRF 8 kHz Roofing Filter Option (P/N 181284-001)
Appendix G Future Use
Appendix H WJ-871Y/485 RS-485 Interface Option (P/N 181273-001)
Appendix I Type WJ-871Y/SEU Speech Enhancement Unit (P/N 181274-001)
Appendix J WJ-871Y/IFC125 12.5 kHz IF Output Option (P/N 181275-001)
Appendix K Type WJ-871Y/FSK Frequency Shift Keying Option (P/N 181401-001)
Courtesy of http://BlackRadios.terryo.org