Sangean DPR-25+, Service Manual

Page: 1 / 46

DPR-25
DAB+FM RDS+MW DIGTAL RECEVIER
CONTENTS
Specification ………………………………………………………………………………………………………2-5
Block Diagram ………………………………………………………………………………………………………6
Alignment Instructions…………………………………………………………………………….………………7-11
Test Points Disgram…………………………………………………………………………….……….……………12
Main PCB Top View…………………………………………………………………………….……….……………13
Main PCB Bottom View.………………………………………………………………………….……..………..…..14
LCD PCB Top View……………………………………………………………………………….………….……15
LCD PCB Bottom View……………………………………………………………………………………………16
PCB Top View…………………………………………………………………………….……….……………17
PCB Bottom View…………………………………………………………………………….……….……………18
Wiring Diagram..….………………………………………….………………….….……………..……….19
Troubleshooting Flow Chart..….………………………………………….……………….….……………..……20-21
Electrical Parts List………………………………………………………………………………....……………22-25
Mechanical Parts List……………………………………………………………………….……….…………….26-27
Exploded Views.…………………………………………………………………………….…………….……………28
IC Circuit Block Diagram…………………………………………..…………….………………………………29-38
IC and Transistor Voltage Chart….……………………………..…………………………….…………………39-43
Semiconductor Lead Identifications……………………………………………………………………..……..…44
MAIN Schematic Diagram……………………………………………………………………………………………45
LCD Schematic Diagram………………………………………………………………..……………………..… …46