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I am surprised by how hard this is to find. My old links are gone, Motorola Solutions did not bother to carry the links over. So, the manual is very similar to the P1225 and the M1225 (mobile), the LS adds the Trunking features. Nothing is user programmable. The buttons on the front must be programmed by the dealer to do anything, but were usually a direct channel and resume (back to trunked operation). To make any changes, you need the Motorola software, cable and RIB (radio interface box). Parts are still available. They were rugged, good radios we sold hundreds of.
The owners manual really does not contain much information. If you want pin outs for the back of the radio connector, you need the service manual. Niether allows you to program. So, what do you want? I can email the owners manual. The service manual would take a little more work, but could be done. Programming is best left up to an experienced two way dealer or shop.
Will you please explain what the problem you faces with your radio? If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box. http://electronicshelponline.blogspot.com/
I am looking for the same wiring diagram. The headset Moto sells is a single earpiece with microphone, so how does that end up being a stereo connection Neto? Just curious how, or is there also a full headset with microphone? ( I dont' know, just asking)
Would this be a 4 ring TRS connector? Sleeve = ground, then left, right, and the tip as the microphone??
Most mobile radios need only a power connection and an antenna. If neither of the two radios you tried are actually powering up, you will want to check to make sure you actually have power at the power connector.
You should see approx 12 VDC using a voltmeter at the power connector. If you don't then check your installation, make sure you don't have any blown fuses, etc.
Ideally you want the power lines for the radio to connect directly to the automobile battery. If you are getting power from somewhere else in the car's electrical system then you may actually need to have the car running (or the key turned to the ON position) for the radio to get power.
If you have power at the connector and the radio still won't turn on then you might have a problem with the radio itself.
First, check the antenna connection,the SWR of your antenna and you can also use the SWR meter for outpu power checking,the frequency it migth be on a duplex mode,you can check the frwuency by using a frequency counter....