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Service Manual (Courtesy of Nomad Radio)
 

Diagrams
     Schematic Diagram (Courtesy of Nomad Radio)
     Schematic Diagram
     Chassis Exploded View

Mic Wiring

Stock
1- Shield
2- N/C
3- Transmit
4- Audio
5- Receive

Astatic (4 wire)
1- Shield
2- N/C
3- Red
4- White
5- Black

Astatic (6 wire)
1- Shield & Blue
2- N/C
3- Red
4- White
5- Black
Yellow NC

Daiwa EM-500
Cobra CA Series
1- Shield & Black
2- N/C
3- White
4- Red
5- Blue

Galaxy DC-521S (4 wire)
1- Shield
2- N/C
3- Red
4- Yellow
5- Black

Galaxy CB-660EI
1- Shield & Black
2- N/C
3- Red
4- White
5- Blue

Sadelta
1- Shield
2- N/C
3- Brown
4- White
5- Green

Turner
1- Shield & Red
2- N/C
3- Blue
4- White
5- Black
Yellow NC