Sangean MMR-77 - Service Manual

MMR-77
FM/AM 2 BAND RECEIVER
CONTENTS
Specification ………………………………………………………………………………………………………2-3
Block Diagram ………………………………………………………………………………………………………4
Algnment Instructions………………………………………………………………………………………………5-9
Test Points Diagram…………………………………………………………………………….……….……………10
MAIN PCB Top View.………………………………………………………………………….……..………..…..11
MAIN PCB Bottom View…………………………………………………………………………….………….……12
CONTROL PCB Top View.……………………………………………………………………….……..………..…..13
CONTROL PCB Top View.……………………………………………………………………….……..………..…..14
Wiring Diagram..….………………………………………….………………….….……………..……….15
Troubleshooting Flow Chart..….………………………………………….……………….….……………..……16-17
Electrical Parts List………………………………………………..………………………………....……………18-19
Mechanical Parts List……………………………………………………………………………….…………….20-21
Exploded Views.…………………………………………………………………………….…………….……………22
IC Circuit Block Diagram…………………………………………..…………….………………………………23-24
Voltage Chart……………….……………………………..…………………………….…………………25-26
Semiconductor Lead Identifications……………………………………………………………………..……..…27
Schematic Diagram………………………………………….……………………………………………………28