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Tour of Radio

Manuals
    Owner's Manual

RADIO MODIFICATIONS
      Printable Version of Freq. Mod.

ALIGNMENT PROCEDURES
     Internal Potentiometer Adjustment Chart
     PLL Alignment
     Receiver Alignment

Diagrams
    Schematic
    Schematic
    MCU Schematic
    Echo Talkback PCB
    50W Final Section Schematic
    Chassis Interconnection Diagram

PCB Layouts
    Main (9821R17) PCB Layout Top (2SC1969 Version)
    Channel Selector / Display Driver PCB (PCBX-0334R3A)
    Channel & Frequency Display PCB (PCBX-0333R3)
    MCU / Frequency Counter PCB (PCBX-0335R3) (PCBX-0416R1)
    Slide Switch PCB (PCBX-9612)
    Band Sel. Rotary Switch PCB (PCBX-0424)
    MIC PCB (PCBX-9709R1)
    Echo Talkback PCB (PCBX-0319R4)
    SWR PCB (PCBX-9306)
    SWR Power Shutdown PCB (PCBX-0309R3A)
    LED Control PCB (PCBX-0415R1)
    Meter LED PCB (PCBX-0406)

Magnum S-6 : 50W radio with 3 ERF2030s (1 driver & 2 finals)
Note Early Versions of S-6's had Two 2SC1969 for finals.

Magnum S-6NX : 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