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Radio Modifications

     SR-655 HPC Frequency Conversion
     SR-655 HPC Frequency Conversion

Owner's Manual

Diagrams
     Main Schematic Diagram
     RF Power Section Schematic Diagram
     RF Power Section PCB Layout

Radio Programming

     SR-655 HPC Programming Cable
     Note: Two types of cables are available, one that plugs on the rear
     and the other plugs inside the radio! The one shown here is inside.

     SR-655 HP/SR-955 HPC Programming Software (Zip Format)

Mic Wiring

Stock
1-Shield  (ground)
2-Yellow (audio)
3-Red     (transmit)
4-White  (receive)

Astatic
1-Shield & Blue
2-White
3-Red
4-Black
Yellow NC

Turner
1-Shield & Red
2-White
3-Blue
4-Black
Yellow NC

Sadelta
1-Shield
2-White
3-Brown
4-Green