Galaxy DX Radios DX2527
Documentation Project

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SPECIFICATIONS
      Owner's Manual

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RADIO MODIFICATIONS
      DX2527 Frequency Conversion
      Clarifier Mod

ALIGNMENT PROCEDURES
     PLL Alignment
     Transmitter Alignment
     Receiver Alignment

SEMICONDUCTOR INFORMATION
     Transistors Voltage Chart (This is still being worked on)
     Integrated Circuits Voltage Chart
     Semiconductor Datasheets

DIAGRAMS
    DX2527 Schematic Diagram (old) (Nov. 07, 1998)
    DX2527 Schematic Diagram (new) (May 07, 1999)
    DX2527 CPU PCB Schematic (DPT295042Z) (Aug. 16, 1997)
    DX2527 ECHO / ROBOT PCB Schematic (EPT0SSB50C)
    Power Supply Schematic Diagram
    DX2527 Inter-connection Diagram
    DX2527 Inter-connection Diagram

PCB Layouts and Parts
    Main PCB Layout (EPT295013Z)
    Push Button PCB (EPT295031Z)
    Power Supply PCB (EPT0SSB61A) Used in Early Production Radios
    Power Supply PCB (EPT0SSB62A) Current Production
    Power Input PCB(EPT0SSB91Z)
    Channel Selector PCB (EPT295090A)
    Clarifier, Squelch, Vol. VR PCB (EPTSSB130A)
    RF Power, ECHO, TIME VR PCB (EPTSSB120A)
    Calibrate VR PCB (EPTSSB150A)
    LED PCB (EPT0SSB20A)
    EAR Jack PCB (EPTSSB180A)
    MOD Meter PCB (EPT00GR60Z)
    SWR PCB (EPT360041Z)
    ROBOT / ECHO PCB (EPT0SSB50C)
    CPU P.C.B. (DPT295042Z)
    MIC JACK PCB (EPT295070Z)
    MODE Switch PCB (EPT295090Z)

Stock Mic Wiring Diagram

Mic Wiring

1. Ground Shield
2. Audio Yellow
3. Transmit Red
4. Receive Black
5. CH. Up White
6. CH. Down Blue

TURNER 4-WIRE MIC. WIRING
1. Ground Shield
2. Audio White
3. Transmit Black
4. Receive N/C
5. CH. UP N/C
6. CH. Down N/C

TURNER 6-WIRE MIC. WIRING
1. Ground Shield & Red
2. Audio White
3. Transmit Blue
4. Receive N/C
5. CH. UP N/C
6. CH. Down N/C

ASTATIC 4-WIRE MIC. WIRING
1. Ground Shield
2. Audio White
3. Transmit Red
4. Receive N/C
5. CH. UP N/C
6. CH. Down N/C

ASTATIC 6-WIRE MIC. WIRING
1. Ground Shield & Blue
2. Audio White
3. Transmit Red
4. Receive N/C
5. CH. UP N/C
6. CH. Down N/C


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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.