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CB & Export Radios
CB Radio and 10 Meter Export Schematics, Mods, and Resources. CB Tricks 2.0
LINK
Picture of Radio
MANUALS
Owner's Manual
Diagrams
Schematic Diagram
ECHO PCB (EPTOSSB50C)
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...
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...
LINK
Owner's Manual
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-...
Diagrams
Schematic Main Diagram
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-...
The Retevis Ailunce HS4 10 Meter radio can be switched between 10 and 11 meters:
With the radio off, press the FUNC and EMG buttons, holding while turning the radio on. The display will show the following if it is in the factory default 10 meter setting:
Rotate the channel knob to select...
This sheet lists the mods to change the frequency for different regions / countries. It also shows the modification to increase the power output to 8 watts on AM and 18 watts FM.
Here is the pinout for the MB2 mic. Note that this mic is an electret mic; 5v is present on pin 1.
Pinout diagrams for both the DB9 and power connectors.
Diagrams
Schematic Diagram
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-...
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...
LINK
Picture Tour of the Radio
Manuals
Owner's manual
Service manual
Diagrams
Schematic Diagram
Schematic Diagram (MOSFET finals version)
Main PCB Layout (Bipolar)
Main PCB Layout (MOSFET)
CH / Switch PCB (EPT900030Z)
MIC WIRING
Stock
1- Shield (Ground)
2- Yellow (Audio)
3- Red (Transmit)...
Diagrams
Schematic Diagram
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-...
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...
Manuals
Factory Service Manual
Diagrams
Schematic Diagram
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-...
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...
Manuals
Service Manual
Diagrams
Schematic Diagram
Schematic Diagram
Block Diagram
PCB Layout
- Uniden Model
- AX-144