Radio-TNC Wiring Diagrams

For hand-held radio models: Kenwood - TH-78, TR-2600 and newer models

Wiring Diagrams Index | Ham Radio Articles Home Page

Manufacturers have been known to change their usage of pins, please compare diagrams shown with the product's manual. Pins not shown may be used for other functions. Damage may occur if wrong connections are made.

Pins are labeled with the number of the pin, followed by the descriptive name used in Chapter 5 of What is your TNC doing?

Mic and Speaker Plugs

TH-78, TR-2600 and newer

diagram

Mic Plug (3.5 mm stereo) to Mic Jack
Ring of plug - Transmit Signal through a 0.1 microfarad capacitor
Sleeve of plug - PTT

Speaker Plug (2.5 mm mono) to Speaker (SP) Jack
Tip of plug - Receive Signal
Sleeve of plug - Ground

Turn off battery saver

Or, wire with a transformer instead of a capacitor

diagram

Wiring Diagrams Index | Ham Radio Articles Home Page

73 de ka5ztx gmedcalf@prairie.lakes.com | copyright 1995 gloria e medcalf

URL: http://prairie.lakes.com/~medcalf/ztx/wire/k2600.html