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Service manual

    L231 Service Bulletin# 012578

Diagrams
     L131 Schematic Diagram
     L131 Schematic Diagram

     L231 Schematic Diagram
     L231 Schematic Diagram

Mic Wiring

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

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

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

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

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

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

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

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