Service manual

1
CONTENTS
1 INTRODUCTION
1.1 Electronic PCBs
1.2 Mechanical Components
2 OPERATION
3 ASSEMBLY INSTRUCTIONS
3.1 RD68 Pre-Assembly
3.2 RD68 Final Assembly
3.3 Fist Mic Assembly
3.4 Telephone Handset Assembly
4 MECHANICAL ASSEMBLY DRAWINGS
4.1 Assembly PCBs Matched Pair
4.2 Assembly Front Panel
4.3 Assembly Fist Mic
4.4 Assembly Telephone Handset
5 CIRCUIT DESCRIPTIONS
5.1 Receiver / Transmitter PCB Assembly
5.2 Control PCB Assembly
5.3 Second Receiver PCB Assembly
6 CIRCUIT DIAGRAMS
6.1 Circuit Schematics
6.2 Component Lists and Layouts
7 PROGRAMMING AND CONFIGURATION
7.1 Channel Characteristic Programming
7.2 Using the Programming Software
7.3 Altering NVM Data
8 FAULT FINDING
8.1 Common User Faults
8.2 Common Technical Faults
9 SPARE PARTS DETAIL
9.1 Spares List
9.2 Service Aids