WR-2
FM RDS/AM PLL SYNTHESIZED
RECEIVER
CONTENTS
Specification ………………………………………………………………………………………………………2-8
Block Diagram ………………………………………………………………………………………………………9
Alignment Instructions……………………………………………………………………………………………10-15
Test Points Diagram…………………………………………………………………………….……….……………16
Main PCB Top View…………………………………………………………………………….……….……………17
Main PCB Bottom View.………………………………………………………………………….……..………..…..18
Control PCB Top View……………………………………………………………………………….………….……19
Control PCB Bottom View……………………………………………………………………………………………20
Wiring Diagram..….………………………………………….………………….….……………..……….21
Troubleshooting Flow Chart..….………………………………………….……………….….……………..……22
Electrical Parts List………………………………………………………………………………....……………23-26
Mechanical Parts List………………………………………………………………….………….…………….27-28
Exploded Views.…………………………………………………………………………….…………….……………29
IC Circuit Block Diagram…………………………………………..…………….………………………………30-37
IC and Transistor Voltage Chart….……………………………..…………………………….…………………38-41
Semiconductor Lead Identifications……………………………………………………………………..……..…42
Main Schematic Diagram………………………………………….…………………………………………………43
Control Schematic Diagram……………………………………….…………………………………………………44
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