Hey guys! I have what you will probably think is a really stupid question. How come in my old receivers, there was a spot on the receiver for a battery connection, but the new 2.4's don't. I just got back into the hobby after 15 years and prurchased a new Futaba 7 channel. But I only have place for seven connections on the receiver. Where does the battery connection go?

Told you it was stupid. what can I say?

Richard

Those are solar powered! Kidding, what does the owner's manual say?

Unfortunately, it says nothing about how to hook it up, only two table about what each channel is for.

The battery can be plugged into any open channel, it doesn't matter. If your using all 7 channels then use a Y connector and plug the battery in that way. If you look close channel 7 also has a B next to it, 7/B.

Thanks Oldvet70. I certainly appreciate the help. I guess that means having to purchase a separate y connector?

Richard

Ditto for what OldVet70 told you. I did the same thing on my new Airtronics 2.4. one of your channels will have a Y adapter that you're going to have to purchase if you want to use all 7 channels. They label channel 7 but you can plug the battery into any of them.

Just to clarify somethingUnless you're going to use all seven channels, you don't need to buy a Y-connector. Just plug the battery into the Ch. 7 slot.

The Spektrum DX7 has a separate batt. connection for the batt. only on the AR 7000 rcvr..

It's not a stupid question, and it is the reason there is such thing as a beginner's forum.

Welcome!

I guess I feel stupid because I was in the hobby 15 years ago and one would think that I should know these things but times have changed a lot since my return.

Richard

You will find 72 Mhz receivers that are the same way.
The positive and nuetral pins in a receiver are all connected together via a buss bar so they are all common. It doesn't matter what channel you plug the battery into. Electric planes commonly supply power to the receiver through the throttle channel via the speed controller.

Some receivers have a little diagram as to what goes where. In the case of the picture below, this is a Spektrum receiver with a little diagram on th side showing what goes where for servos. The Battery Red and Battery Black.. may be Battery Red and Battery Brown.. but it is pretty clearly spelled out.

Some other receivers have a separate battery connection. The Spektrum AR7000 does as does some of the Airtronics receivers. But, the battery can go in any of the vacant slots as long as the polarity is observed. Battery + and Battery - have to match up with whatever the receiver slot requires. For the battery, there will be no 'servo' connection. Just two wires, red and black, or red and brown, and some may be white and black. Just make sure that they match. The manual should clearly spell that out.

CGr.

This is the receiver Richard Scale Rocks was asking about. It's not much help for a beginner to give them information about a completely different system when their question is specific. We should be trying to help not confuse the beginner.

all the positive connections are on a common buss meaning that if yo touch a meter to the coresponding pin of any connection you will have continuity. the same can be said for the negative buss in the receiver. the servos and the reciever draw their operating power from these busses and hence forth as long as you plug the battery in correctly to the reciever you will be able to use any open connection. If you have no open connection you will need a y connector to supply power to the busses. conectors are three pin, positive negative and signal for servos and just positive and negative for batteries

Both JR/ Spektrum and Futaba put the - or ground side at the edge of the rcvr. If your not sure which way to plug them in. Also if you plug them in backwards, you won't hurt anything.

This questioned was answered and it does not have to be specific to just his receiver. Nothing confusing about any of the given answers.
What happens when he moves on to a new receiver? We gave good information that he can use on any receiver he ever runs accross.
Simple answer, it doesn't matter what channel you plug the battery into, period. Some receivers are marked batt. or just B to show the recommended place but again it doesn't matter. Plug it in wherever it is convenient and mind polarity.