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SPECIFICATIONS
      Owner's Manual

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RADIO MODIFICATIONS
      Frequency Conversion
      Channel Chart (After Modification)

ALIGNMENT PROCEDURES
     PLL Alignment
     Transmitter Alignment
     Receiver Alignment
     Alignment Locations

SEMICONDUCTOR INFORMATION
      Semiconductor Datasheets

DIAGRAMS
    DX939 Schematic Diagram (EPT069611A) (Oct. 15, 2007)

PCB Layouts and Parts
    Main PCB (EPT069611A)
    Channel Selector PCB (EPT099N20Z)
    Display PCB (EPT073N30Z)
    VR PCB RF Power / VOL / SQ MIC Gain / RF Gain (EPT093940Z)
    VR PCB Dimmer/ Talkback PCB (EPT093950Z)
    Dimmer PCB (EPT091V40D)
    EL Driver PCB (EPT91V131Z)
    Slide Switch PCB (EPT093930Z)
    Frequency Counter PCB (EPT900043Z)
    Modular 002 VCO PCB (EPF000210Z)
    Modular 005 PCB (EPT613010Z)
    MIC PCB (EPT690050Z)
    SWR PCB (EPT360042Z)

Chassis, Miscellaneous & Mechanical Parts
    Miscellaneous & Mechanical Parts

Mic Wiring Diagram

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