Galaxy DX Radios DX2547
Documentation Project

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      Owner's Manual
      Factory Service Manual

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Tour of Pictures

      DX2547 (P5 P6 Switch) Frequency Conversion
      Channel Chart (After Modification)
      Viagra Board Frequency Modification
      10kc Mod
      Clarifier Mod
      Increase Clarifier Range Update
      Roger Beep Tone Mod

      FC347 Wiring Diagram for a DX2547


      DX2547 Frequency Conversion
      DX2547 Tech Updates

     PLL Alignment
     Transmitter Alignment
     Receiver Alignment
     Alignment Locations

      Semiconductor Datasheets

    DX2547 Main PCB Schematic Diagram (Feb. 16, 2001)
    DX2547 Power Supply PCB Schematic Diagram
    DX2547 Inter-connection Diagram
    DX2547 Inter-connection Diagram

PCB Layouts and Parts
    Main PCB (EPT069610Z)
    Modular VCO PCB (EPF000210Z)
    Talkback Control VR PCB (EPT095960Z)
    Push Switch R.B. / CB / PA PCB (EPT254720Z)
    VOL / SQ VR PCB (EPT254750Z)
    DIM / RF / MIC GAIN VR PCB (EPT254770Z)
    RF / MOD VR PCB (EPT254780Z)
    MODE / Clarifier PCB (EPT254790Z)
    SWR PCB (EPT360042Z)
    Mic Jack PCB (EPT253750Z)
    EAR Jack PCB (EPT253790B)
    DC Power Supply PCB (EPT253770Z) and (EPT253780Z)
    ANF/GNF PCB (EPT009830Z)

    Channel Selector PCB (EPT0SSB30A)
    Display PCB (EPT254740Z)
    Frequency Counter PCB (EPT900040Z)
    Frequency Counter PCB (EPT900043Z) (Started with later 2005 Production)

Chassis, Miscellaneous & Mechanical Parts
    Miscellaneous & Mechanical Parts

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.