Sangean DT-120 Service Manual

DT-120
FM STEREO/AM/TV RADIO
CONTENTS
Specification ………………………………………………………………………………………………………2-3
Block Diagram ………………………………………………………………………………………………………4
Alignment Instructions…………………………………………………………………………………………………5-8
Test Points Diagram…………………………………………………………………………….……….……………9
PCB Top View…………………………………………………………………………….……….……………10
PCB Bottom View.………………………………………………………………………….……..………..…..11
Wiring Diagram..….………………………………………….………………….….……………..……….12
Troubleshooting Flow Chart..….………………………………………….……………….….……………..……13-14
Electrical Parts List………………………………………………………………………………....……………15-16
Mechanical Parts List……………………………………………………………………….………….…………….17
Exploded Views.…………………………………………………………………………….…………….……………18
IC Circuit Block Diagram…………………………………………..…………….………………………………19-20
IC and Transistor Voltage Chart….……………………………..…………………………….…………………21-22
Semiconductor Lead Identifications……………………………………………………………………..……..…23
Schematic Diagram………………………………………….……………………………………………………24

Sangean DT-120 Specifications

General

Radio type	Personal
AM band range	520 - 1710 kHz
FM band range	87.5 - 108 MHz
Preset stations quantity	15
Display type	LCD
Display diagonal	1.34 \
Headphone outputs	1
Product color	Black
Battery type	AAA
Battery voltage	1.5 V
Dimensions (WxDxH)	51 x 18 x 94 mm