Galaxy DX Radios DX99V
Documentation Project

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     Owner's Manual

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      Frequency Conversion For (EPT004410Z Band PCB)
      Frequency Conversion For (EPT004410A "SMT" Band PCB)

      Channel Chart (After Modification)
      10 meter FM Mod (28.000 - 29.655MHz)
      Clarifier Mod
      Disabling Talkback ("SMT" Echo PCB) ( EPTOSSB50C)
      Disabling Talkback (EPTOSSB50B) (Used in Early DX99V's)
      Roger Beep Tone Mod

     PLL Alignment
     Transmitter Alignment
     Receiver Alignment
     Alignment Locations
     VCO Frequency Generation Chart Bands Bands A-D and Bands E-H

     Transistor Voltage Chart
     Integrated Circuits Voltage Chart
     Semiconductor Datasheets

    DX99V Block Diagram
    DX99V Schematic Diagram (old) (Early DX99V) (Oct. 29, 1993)
    DX99V Schematic Diagram (current production) (Feb. 27, 2004)
    Active Device Location Diagram (Main Board)
    Band Board Schematic Diagram (EPT004410Z)
    Dimmer PCB Schematic Diagram (EPT55V-51Z)
    Frequency Counter PCB Schematic Diagram (EPT210014C)
    Frequency Counter PCB Schematic Diagram (EPT210014D)
    ROBOT PCB (EPT055V60Z) (Used in Early DX99V's)
    DX99V Inter-connection Diagram
    DX99V Inter-connection Diagram
    Echo / Voice Changer/Robot Schematic ( EPTOSSB50C )

PCB Layouts and Parts
    Main PCB (EPT360014B)
    Mode Switch PCB (EPT066V40Z)
    Band Board Layout PCB (EPT004410Z)
    Band Board Layout SMT (EPT004410A) Later Production
    Channel Selector PCB (EPT055V30Z)
    Frequency Counter Board Layout (EPT210014C)
    Frequency Counter PCB (EPT210014D) (Started with later 2005 Production)
    Mic Jack PCB (EPT360050Z)
    Dimmer PCB (EPT55V-51Z)
    Display PCB (EPT055V20Z)
    Echo PCB Layout (EPTOSSB50B) (Used in Early DX99V's)
    ROBOT PCB (EPT055V60Z) (Used in Early DX99V's)
    Echo / Voice Changer/Robot PCB ( EPTOSSB50C) (Used for about last 12 years)

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

Stock Mic Wiring Diagram


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

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

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

Copyright © 1998, 1999, 2000, 2001, 2002, 2003

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

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