User's Manual
Table Of Contents
- Front Cover
- Contents
- 1 - Foreword 11
- 2 - Safety and General Information 21
- 3 - Introduction 31
- 4 - System Applications 41
- 5 - Models and Specifications 51
- 6 - Approved Accessories 61
- 7 - Setup and Connections 71
- 8 - Operation 81
- 9 - Troubleshooting 91
- Introduction 91
- Recommended Test Equipment 91
- Troubleshooting Procedures 91
- Module Replacement Procedures 925
- General Replacement Information 925
- Anti-Static Precaution 925
- Care of Gold-Plated Connector Contacts 926
- Power Down Station Before Removing/Inserting Modules 926
- Validating Repairs 926
- Module Replacement 926
- Wireline 928
- ASTRO Modem Card/V.24 Interface Card 929
- Receiver 929
- Exciter 931
- Power Amplifier 932
- Power Supply 933
- Backplane 934
- Preselector Field Tuning Procedure 935
- 10 - Functional Theory of Operation 101
- 11 - Block Diagram, Schematics, Electrical Parts List, and Circuit Board Detail 111
- List of Tables
- List of Figures
- Parts Lists
- Foreword
- Safety and General Information
- Introduction
- System Applications
- Models and Specifications
- Approved Accessories
- Setup and Connections
- Operation
- Troubleshooting
- Introduction
- Recommended Test Equipment
- Troubleshooting Procedures
- Module Replacement Procedures
- Preselector Field Tuning Procedure
- Functional Theory of Operation
- Schematics
- Back Cover
68P81093C75-O November 30, 2000 9-5
Figure 4 PDR 3500 Troubleshooting Overview (Procedure 2: Reported or Suspected Problem) (Continued)
CHECK CODE PLUG PROGRAMMING
(RSS USER’S GUIDE – 68P81085E35)
• USING RSS, READ THE STATION CODE PLUG
AND VERIFY THAT PROGRAMMING IS
YES
NO
RUN TRANSMITTER AND RECEIVER TESTS:
• PERFORM VERIFYING TRANSMITTER CIRCUITRY
TESTS (Page 10) TO ISOLATE PROBLEM TO
PROCEDURE 2
NO
YES
OF BEING
FAULTY?
MODULE
SUSPECTED
(CONTINUED)
A
CORRECT (COMPARE TO CODE PLUG FILE ON
PC FOR PARTICULAR STATION)
CODE
PLUG
PROGRAMMING
CORRECT?
• RE-PROGRAM STATION CODE PLUG BY DOWNLOADING
CUSTOMER DATA FROM CODE PLUG FILE FOR
PARTICULAR STATION (RSS GUIDE – 68P81085E35)
• IF PROBLEM STILL EXISTS, PROCEED TO INTERPRET
STATUS REPORT
INTERPRET STATUS REPORT
(RSS USER’S GUIDE–68P81085E35)
• USING RSS, ACCESS THE STATUS REPORT
SCREEN AND LOOK AT HISTORY OF ALARMS
AND TIME STAMPS
TRANSMITER CIRCUITRY
• PERFORM VERIFYING RECEIVER CIRCUITRY TESTS
(Page 14) TO ISOLATE PROBLEM TO RECEIVER
CIRCUITRY
GO TO MODULE REPLACEMENT
PROCEDURES ON page 25
REPLACE FAULTY MODULE AS
DESCRIBED IN MODULE RELACEMENT
PROCEDURES BEGINNING ON page 25