Galaxy DX Radios DX55V
Documentation Project

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SPECIFICATIONS
    Owner's Manual


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RADIO MODIFICATIONS
      DX55V Frequency Conversion
      Channel Chart (After Modification)
      Extended 10-Meter Frequency Conversion (28.000 - 29.655MHz)
      Roger Beep Tone Mod
      Adding Talkback Mod

ALIGNMENT PROCEDURES
     PLL Alignment
     Transmitter Alignment
     Receiver Alignment
     Alignment Locations
     VCO Frequency Generation Chart Bands A-C and Bands D-F

SEMICONDUCTOR INFORMATION
     Transistor Voltage Chart
     Semiconductor Datasheets

DIAGRAMS
    DX55V Schematic Diagram (EPT360014B) (July 11, 2006)
    DX55V Schematic Diagram (EPT360014C)
(Dec. 06, 2005)
    Active Device Location Diagram (Main Board)

    DX55V Inter-connection Diagram
    DX55V Inter-connection Diagram
    Frequency Counter PCB Schematic Diagram (EPT210014C)
    Frequency Counter PCB Schematic Diagram (EPT210014D)

PCB Layouts and Parts
    Main PCB (EPT360014B or EPT360014C)
    Mic Jack PCB (EPT360050Z)
    Dimmer PCB (EPT55V-51Z)
    Frequency Counter PCB (EPT210014C)
    Frequency Counter PCB (EPT210014D) (Started with later 2005 Production)
    Channel Selector PCB (EPT055V30Z)
    Display PCB (EPT055V20Z)
    PA Preamp PCB (EPT300110A)
    Slide Switch PCB (EPT055V40Z)

Chassis, Miscellaneous & Mechanical Parts
    Front View Chassis Parts
    Front View Chassis Parts
    Rear View Chassis Parts
    Rear View Chassis Parts
    Miscellaneous & Mechanical Parts

Mic Wiring Diagram

Stock
1- Shield  (Ground)
2- Yellow  (Audio)
3- Red      (Transmit)
4- White   (Receive)

Astatic (4 wire)
1- Shield
2- White
3- Red
4- Black

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

Daiwa EM-500
Cobra CA Series

1- Shield & Black
2- Red
3- White
4- Blue

Galaxy DC-521S (4 wire)
1- Shield
2- Yellow
3- Red
4- Black

Galaxy CB-660EI
1- Shield & Black
2- White
3- Red
4- Blue

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

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


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Disclaimer: Although the greatest care has been taken while compiling these documents,

we cannot guarantee that the instructions will work on every radio presented.