Galaxy DX Radios Galaxy DX Radios DX2527

SPECIFICATIONS

• Owner's Manual

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)

MIC WIRING



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