Symphony switched antenna 12v out.

Trisman · 26th February 2016, 20:11

Couple of quick question re. the switched antenna 12v out on the Symphony... (Pin 5 on the lower, power connector).

Does it switch 12 volts on whenever the stereo is powered-up, or is it only when the radio is selected?

More importantly, will it be okay supplying about 1 amp to a small power supply?

I plan on running a Win CE nav/audio unit from the switched antenna out, it'd be nice to be able to switch it off with the stereo (it'll be giving voice prompts & music via the stereo anyway) & I want to hard wire the power supply. (I hate wires running free!).

Duotone · 26th February 2016, 20:49

Quote:

Originally Posted by Trisman

Couple of quick question re. the switched antenna 12v out on the Symphony... (Pin 5 on the lower, power connector).

Does it switch 12 volts on whenever the stereo is switched-on, or is it only when the radio is selected?

More importantly, will it be okay supplying about 1 amp to a small power supply?

I plan on running a Win CE nav/audio unit from the switched antenna out, it'd be nice to be able to switch it off with the stereo (it'll be giving voice prompts & music via the stereo anyway) & I want to hard wire the power supply. (I hate wires running free!).

Pin 5 on the power ISO is a output of 12v from the Symphony.

It supplies the 12v to the aerial amp only when the Symphony is switched on.

My WinCe headunit does supply the 12v to the aerial amp.

I am not sure of the amount of current that can be drawn from pin 5 of the grey ISO.

I would use pin 7 of the grey ISO as this is a ignition feed.

I have my pin 5 12v output to power the aerial amp and a powered aerial.

Dave T

26th February 2016, 20:11	#1
Trisman Avid contributor Rover 75 saloon. Join Date: Feb 2016 Location: S.E. London Posts: 116 Thanks: 67 Thanked 31 Times in 22 Posts	Symphony switched antenna 12v out. Couple of quick question re. the switched antenna 12v out on the Symphony... (Pin 5 on the lower, power connector). Does it switch 12 volts on whenever the stereo is powered-up, or is it only when the radio is selected? More importantly, will it be okay supplying about 1 amp to a small power supply? I plan on running a Win CE nav/audio unit from the switched antenna out, it'd be nice to be able to switch it off with the stereo (it'll be giving voice prompts & music via the stereo anyway) & I want to hard wire the power supply. (I hate wires running free!). Last edited by Trisman; 26th February 2016 at 20:37..