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Tour of The Radio
Click Here for Page 1
Click Here for Page 2

SPECIFICATIONS
     Owner's Manual
     Specifications and Information Sheet

RADIO MODIFICATIONS
      Frequency Mod Sheet

ALIGNMENT PROCEDURES
     Internal Potentiometer Adjustment Chart
     PLL Alignment
     Receiver Alignment

DIAGRAMS
    Schematic Diagram Main
    Echo Talkback PCB
    CPU Channel Sel. PCB
    50W Final Section Schematic

PCB Layouts
    Main (9821R17) PCB Layout Top (2SC1969 Version)
    CPU Channel Sel. PCB (PCBX-0321R1)
    Display PCB (PCBX-9703)
    MIC PCB (PCBX-9709R1)
    Echo Talkback PCB (PCBX-0319R4)
    SWR PCB (PCBX-9306)
    SWR Power Shutdown PCB (PCBX-0309R2)

    Parts List

Magnum S-3 : 50W radio with 3 ERF2030s (1 driver & 2 finals)
Note Early Versions of S-3's had Two 2SC1969 for finals.

Magnum S-3NX : NitroXpress version. 50W radio with 3 ERF2030s (1 driver & 2 finals), and Blue Nitro Knobs.
S-3NX Pictures Night and Day

Magnum S-6 with the optional chrome cabinets (available through all Magnum distributors, and available for both S-6 and S-9 radios).

Also See:
RF Limited / Magnum Tech Notes Section

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