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
Summary of Contents for WR-2
Page 16: ...TEST POINTS DIAGRAM 16...
Page 17: ...MAIN PCB TOP VIEW 17...
Page 18: ...MAIN PCB BOTTOM VIEW 18...
Page 19: ...CONTROL PCB TOP VIEW 19...
Page 20: ...CONTROL PCB BOTTOM VIEW 20...
Page 21: ...WIRING DIAGRAM 21...
Page 29: ......
Page 30: ...1 IC1 LA1177 2 IC2 TA2099F IC CIRCUIT BLOCK DIAGRAM 30...
Page 31: ...3 IC3 BA09T 4 IC4 TDA7313D 31...
Page 32: ...5 IC5 TDA7266L 6 IC6 TC7S66FU 32...
Page 33: ...7 IC7 NJM4580D 8 IC8 PT2308 33...
Page 34: ...9 IC200 H7805AM 10 IC201 XC62AP4002 34...
Page 35: ...11 IC202 TC9324F 35...
Page 36: ...12 IC203 BU1924F 13 IC204 XC61CN2002MR 36...
Page 37: ...14 IC205 XC61CN3502MR 37...
Page 43: ...MAIN SCHEMATIC DIAGRAM 43...
Page 44: ...CONTROL SCHEMATIC DIAGRAM 44...
