HPP-22 "radio plug" wiring - RC Groups
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May 23, 2017, 11:44 AM
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Ranald's Avatar

HPP-22 "radio plug" wiring

Hi guys,

Does anyone have a connection / "pinout" diagram for the HPP-22 radio plug?

I have an HPP-22 Programmer Interface, but no cable with the stereo (three conductor) plug for the Aurora 9X.

I have a spare servo cable (or ten) on the shelf and a few stereo plugs in a box...

i.e. does (yellow - red - black) map to (tip - center - shield end)?

Of course, if you happen to have one, and you have an ohm meter handy, I'd appreciate the intel...





WRONG: [Also: The "radio plug" w/ the stereo jack appears not to be needed for the A-9X when using the HPP-22 IF. On the back of the Tx there is a separate 'DATA' plug w/ a regular three-pin arrangement. All that is needed is a MALE - MALE cable.] Sorry 'bout that. Corrected by Xpress below - Thanks!

Cheers! - R
Last edited by Ranald; Aug 05, 2017 at 10:33 PM. Reason: Ohm meter?
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May 24, 2017, 10:41 AM
Xpress..'s Avatar
The Aurora 9X needs both the stereo jack and the servo plug style cables to update it. The DATA port is strictly for updating the Spectra module, you can't update the transmitters main board itself through the DATA port.
Aug 03, 2017, 10:46 AM
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Ranald's Avatar

HPP-22 Replacement Leads link - great pic of the pinout.

Tip > Positive
Center > Signal
Shield > Negative/Ground

Cheers guys!

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