Galaxy DX Radios Galaxy DX Radios DX979

SPECIFICATIONS

• Owner's Manual
• Factory Service Manual

RADIO MODIFICATIONS

• Frequency Conversion
• Channel Chart (After Modification)
• Clarifier Mod

ALIGNMENT PROCEDURES

• PLL Alignment
• Transmitter Alignment
• Receiver Alignment
• Alignment Locations

SEMICONDUCTOR INFORMATION

• Semiconductor Datasheets

DIAGRAMS

• DX979 Schematic Diagram (EPT092912Z) (July 10, 2003)
• DX979 Schematic Diagram (EPT092913Z) (May 22, 2006)
• Control Schematic Diagram (July 10, 2003)

PCB Layouts and Parts

• Main PCB Layout (EPT092912Z, EPT092913Z)
• Channel Selector PCB (EPT092920Z)
• Display / Switch PCB (EPT092930Z)
• VR PCB ( VOL-SQ-OFF, MIC / RF Gain, DIM / PWR) (EPT092940Z)
• VR PCB (Clarifier / Talk Back) (EPT092950Z)
• Dimmer / EL PCB (EPT092961Z)
• Modular VCO PCB (EPF000210Z)
• SWR PCB (EPT360042Z)

Chassis, Miscellaneous & Mechanical Parts

• Miscellaneous & Mechanical Parts
• Chassis Exploded View Drawing

Mic Wiring




Stock
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

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

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