Galaxy DX Radios DX22B
Documentation Project

CBTricks.com

TIPS:
You need to have Acrobat Reader version 5 or newer installed to view the files with icon.

If the files with or icon will not display see the Site FAQ for help on printing and using this information.

SPECIFICATIONS
      Owner's Manual
 

RADIO MODIFICATIONS
     
DX22B Frequency Conversion
      Clarifier Mod

ALIGNMENT PROCEDURES
      PLL Alignment
      Transmitter Alignment
      Receiver Alignment


SEMICONDUCTOR INFORMATION
      Transistors Voltage Chart
      Semiconductor Datasheets

DIAGRAMS
      DX22B Schematic Diagram (Mar. 09, 2001)

PCB Layouts and Parts
      Main PCB Layout (EPT295013Z)
      Push Button PCB (EPT295031Z)
      Power Supply PCB (EPT0SSB61A)
      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)
      MIC GAIN, RF GAIN VR PCB (EPTSSB140A)
      LED PCB (EPT0SSB20Z)
      EAR Jack PCB (EPTSSB180A)
      SWR PCB (EPT360040Z)
      ROBOT / ECHO PCB (EPT0SSB50C)
      CPU PCB (DPT295040Z) Early Production
      CPU PCB (DPT295042Z) Late Production
      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



Copyright © 1998, 1999, 2000, 2001, 2002, 2003 CBTricks.com

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

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