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
9-28 December 1, 2000 68P81093C75-O
If no preexisting codeplug is available, the new codeplug must
be configured manually using the RSS. See the Setup and
Connections section of this manual or the RSS User’s Guide
(68P81085E35) for details.
2. Perform the following alignment procedures as described in the
RSS User’s Guide (68P81085E35) or the Setup and
Connections section of this manual, or both.
• Reference Oscillator Calibration
• Squelch Adjust
• Power Output
• Tx Deviation Gain Adjust
• Reference Modulation
• RSSI Calibrate
For Wireline-equipped stations only:
• Tx Wireline
• Rx Wireline
For ASTRO stations only:
• Simulcast/ASTRO Launch Time Offset
For 6809 Trunking stations only:
• TDATA
Wireline
Physical Replacement of
the Wireline Module
1. Turn off the station’s power by unplugging the AC and DC
power cords from the top panel.
2. Remove the eight Phillips screws from the edges of the station’s
top panel and lift the chassis out of the case.
3. Remove the cover plate on the left end of the front of the station
by removing two Torx screws from the front of the plate.
Remove the four Phillips screws from the side and bottom
edges of the plate.
4. Pull out the old Wireline Module by gripping its front, right
corner (where there are no parts on the board).
5. Set all jumpers on the replacement board to match those on the
faulty board. These include the following:
• Input/ouput impedance matching jumpers