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DIAGRAMS
EPTOSSB50B (Early Version for DX33/44/66/77/88)
Schematic Diagram
DX33, 77 Board Layout
DX44, 66, 88 Board Layout
Radio Connection Diagram
EPTOSSB50F (Later Version for DX33/44/77/88 SMD Type)
Schematic Diagram
Board Layout
DX33HML Connection Diagram
Echo/Voice Changer/Robot (...
Owner's Manual
FC347 Hookup Diagrams For Galaxy DX Radios (Old Version and New)
Diagram for a DX949, DX959, DX2547
Diagram for a DX2517
Diagram for a DX2527
Diagram for a DX11B and Super Star 3900
Diagram for a DX45MP
Diagram for a DX48T
FC347 Hookup Diagrams For Cobra, Uniden, and RCI296GK /...
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...
Diagrams
Schematic Main Diagram
Weather RX 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...
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-...
MANUALS
Service Manual
Diagrams
Schematic Diagram
TR-127GK Chassis Exploded View
TR-127DX Chassis Exploded View
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)...
Manuals
Factory Service Manual
Diagrams
Schematic Diagram
Block 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...
Manuals
Factory Service Manual
Diagrams
Schematic Diagram
Block 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 &...
MANUALS
Service Manual
Diagrams
Schematic Diagram
Chassis Exploded View
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...
RADIO MODIFICATIONS
Switch Frequency Conversion (P5 P6)
Channel Chart After Modification
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-...
RADIO MODIFICATIONS
Switch Frequency Conversion (P5 P6)
Channel Chart (After Modification)
10kc Mod
Clarifier Mod
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-...
Manuals
Factory Service Manual
RADIO MODIFICATIONS
Switch Frequency Conversion (P5 P6)
Channel Chart (After Modification)
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...
RADIO MODIFICATIONS
Switch Frequency Conversion (P5 P6)
Channel Chart (After Modification)
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-...
Manuals
Factory Service Manual
RADIO MODIFICATIONS
Switch Frequency Conversion (P5 P6)
Channel Chart (After Modification)
10kc Mod
Clarifier Mod
Mic Wiring
Stock
1- Shield (Ground)
2- Yellow (Audio)
3- Red (Transmit)
4- White (Receive)
Astatic (4 wire)
1- Shield
2- White
3-...
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-...
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...
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...
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
Radio Modifications
Frequency Modification
Diagrams
Main Schematic Diagram PDF version
Main Schematic Diagram
CPU PCB Schematic Diagram PDF version
CPU PCB Schematic Diagram
SPECIFICATIONS
Controls and Connections
Basic Programming Procedures
Owner's Manual
Factory Service Manual
Pages 1-1 to 5-4
Pages 7-1 to 7-13
Pages 8-1 to 8-13
Pages 10-1 to 11-8
Service Notes
CPU faults
Paper that explains how the Pass regulator works.
ALIGNMENT PROCEDURES
PLL Alignment...