- Galaxy DX Models
- DX88HL
SPECIFICATIONS
RADIO MODIFICATIONS
- Frequency Conversion For (EPT004410Z Band PCB)
- Frequency Conversion For (EPT004410A "SMT" Band PCB)
- Channel Chart (After Modification)
- 10 meter FM Mod (28.000 - 29.655MHz)
- Clarifier Mod
- Disabling Talkback
- Roger Beep Tone Mod
ALIGNMENT PROCEDURES
- PLL Alignment
- Receiver Alignment
- Transmitter Alignment
- Alignment Locations
- VCO Frequency Generation Chart Bands: Bands A-D and Bands E-H
SEMICONDUCTOR INFORMATION
- Transistor Voltage Chart
- Integrated Circuits Voltage Chart
- Active Device Function Location Layout (Main Board)
- Semiconductor Datasheets
DIAGRAMS
- DX88HL Block Diagram
- DX88HL Inter-connection Diagram (Echo EPTOSSB50B Based Radio)
- DX88HL Inter-connection Diagram (Echo EPTOSSB50B Based Radio)
- DX88HL Schematic Diagram (Mar. 17, 2004)
- Band Board Schematic Diagram (EPT004410Z)
- Frequency Counter PCB Schematic Diagram (EPT210010A / 11A)
- Frequency Counter PCB Schematic Diagram (EPT210014C)
- Frequency Counter PCB Schematic Diagram (EPT210014D)
- Echo PCB Schematic Diagram (EPT0SSB50B) (Early Version)
- Echo PCB Schematic Diagram (EPT0SSB50F)
PCB LAYOUTS & PARTS
- Main PCB (EPT360014B)
- Mic Jack PCB (EPT360050Z)
- Frequency Display and Pushbutton Switch PCB (EPT210021A) Very Early Production
- Frequency Display and Pushbutton Switch PCB (EPT210021C)
- Channel Display PCB (EPT210040Z) Very Early Production
- Channel Selector Switch PCB (EPT210030Z) Very Early Production
- Channel Display PCB (EPT210041Z) Current Production
- Channel Selector Switch PCB (EPT210032Z) Current Production
- Band Board Layout (EPT004410Z)
- Band Board Layout SMT (EPT004410A) Current Production
- Frequency Counter PCB (EPT210010A) Very Early Production
- Frequency Counter PCB (EPT210011A) Early Production
- Frequency Counter PCB (EPT210014C) Current Production
- Frequency Counter PCB (EPT210014D) (Started with later 2005 Production)
- Echo PCB (EPT0SSB50B) (Early Version)
- Echo PCB (EPT0SSB50F) (Used to the end of 2002)
- Echo PCB (EPT0SSB51J) Current Production
CHASSIS, MISCELLANEOUS & MECHANICAL PARTS
- Front View Chassis Parts
- Front View Chassis Parts
- Rear View Chassis Parts
- Rear View Chassis Parts
- Miscellaneous & Mechanical Parts
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