The mx170c is designed to be electrically and mechanically interchangeable with the bendix king kx170kx175 series of navcomm radios. This source could be vhf nav loran or gps depending on avionics installed and how the system is wired.
Avionics Service Parts Manual Electrical Connector
Cessna 300 nav com wiring diagram. There should be another entrys with something like cessna 300 navcom that will give the radios etc. Click here to search. The unit is dimensionally identical to the arc units and can therefore use existing aircraft installa. Which might include your audio panel. The pilot can select either a nav 1 or nav 2 tracking source. Navigation converter circuitry is included to interface arc cdis normally used with rt328t.
I do not know the full model number since what. If so whatever problem is preventing that is also preventing it from tracking gps courses via the cdi. I have a type 300 navcomm radio for cessna aircraft that has been cut up by a previous restorer. The nav receiver also provides frequency selection for remote mounted distance measuring equipment and glide slope receivers. Bell206 nov 3 2019. The best part of the 300a is its capability to track the heading bug.
The mx300 is designed to be used as a direct replacement for the cessnaarc rt328t. The mx300 is designed to be used as a direct replacement for the cessnaarc328t. When youre in nav mode the only thing its looking at is needle position not the external signal from the vor or gps so the problem would lie either in the cdi wiring from there to the autopilot or the autopilot itself. However please note that these radios are getting older and reliability is falling over time. This radio is designed for use in aircraft with a 14 volt electrical system. Push in this button pull turn pressed in and the ap will follow the heading bug.
Its 182 in dog years. If i recall that kit is just antennas and wiring. The arc cessna rt 328t is a solid state navcomm transceiver with a mechanical frequency display. Looking for a part for your aircraft. Realistic about it i need a wiring diagram. Is your bendix king kx170kx175 dead or dying.
With loc adjusted for 035 vrms vor 05 vrms typical into 20k ohms or greater load impedance. Two sigma limit 1 degree nav output. I also need a wiring diagram or schematic to find out what the pin outs for that connector are if i am to. Get a new ifrtsod tkm mx170c replacement navcomm.