9XR Pro Power Issue
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9XR Pro Power Issue
Can you please help me or redirect me to the correct thread.
My Tx displays "Power Off" even when switched on.
Thanks for your time.
My Tx displays "Power Off" even when switched on.
Thanks for your time.
Re: 9XR Pro Power Issue
Does it also display "Shutting Down" before it displays "Power Off"??
Please try to press a bit on the switch to see if it turns ON.
The power switch on mine already failed and I managed to repair it.. You could have the same problem, but we need to find out.
João
Please try to press a bit on the switch to see if it turns ON.
The power switch on mine already failed and I managed to repair it.. You could have the same problem, but we need to find out.
João
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Re: 9XR Pro Power Issue
Yes it displays "Shutting Down" before "Power Off".
I tried pushing on the power switch but still the same issue.
I tried pushing on the power switch but still the same issue.
Re: 9XR Pro Power Issue
Well, you will need to open the radio and do some measurements.. Are you ok with the idea?
João
João
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- MikeB
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Re: 9XR Pro Power Issue
The 9XR-PRO includes a "soft power switch" that keeps the power on, after you have switched the power switch off, to ensure the EEPROM is fully updated before finally powering off.It seems, on your radio, this is not switching off.
If, with the power switch off, you unplug the battery, wait a few seconds, then plug the battery in, does the radio power up? Does the blue "Ready" light come on?
Mike.
If, with the power switch off, you unplug the battery, wait a few seconds, then plug the battery in, does the radio power up? Does the blue "Ready" light come on?
Mike.
erskyTx/er9x developer
The difficult we do immediately,
The impossible takes a little longer!
The difficult we do immediately,
The impossible takes a little longer!
Re: 9XR Pro Power Issue
If the tx displays the above mentioned even if the radio is ON (like mine did), then in my opinion the RF power side of the switch might not being switched ON. That means the voltage that tells the processor the radio is ON might not be present and the processor thinks it has to save the eeprom and turn the radio OFF. Obviously the other side of the switch is working because the radio stays ON..jjzabalajr wrote: My Tx displays "Power Off" even when switched on.
In my opinion, the first step to locate the problem should be to measure the voltage or the continuity on that side of the power switch..
João
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Re: 9XR Pro Power Issue
Yes I'm ok with that. I can work with circuits a bit.jhsa wrote:Well, you will need to open the radio and do some measurements.. Are you ok with the idea?
João
Yes I did that but same issue.MikeB wrote:The 9XR-PRO includes a "soft power switch" that keeps the power on, after you have switched the power switch off, to ensure the EEPROM is fully updated before finally powering off.It seems, on your radio, this is not switching off.
If, with the power switch off, you unplug the battery, wait a few seconds, then plug the battery in, does the radio power up? Does the blue "Ready" light come on?
Mike.
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Re: 9XR Pro Power Issue
I'll do a video of it a bit. Thanks to the fast reaponse.
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Re: 9XR Pro Power Issue
Ok, remove the battery. Open the radio. Please note that there are different sized screws. Remove the RF board. You should find the power switch under it.
Check all connectors are fully inserted.
Check that there are no unsoldered wires at the switch or connectors.
Measure resistance between the center pins of the switch and the outer pins, to see if switch is working.
João
Check all connectors are fully inserted.
Check that there are no unsoldered wires at the switch or connectors.
Measure resistance between the center pins of the switch and the outer pins, to see if switch is working.
João
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Re: 9XR Pro Power Issue
Found the switch to be defective.
Opened the switch, sanded the copper terminals, pinched the copper slider.
Voila!
Thanks all!
Opened the switch, sanded the copper terminals, pinched the copper slider.
Voila!
Thanks all!
Re: 9XR Pro Power Issue
That is what I thought. As I said, I had exactly the same problem with mine. I don't know if sanding the contacts was a good idea though I cleaned mine with contact cleaner and a toothbrush. They went from black to shinny
Imagine if this happens while flying a model It seems the power switch used on this radio is of a less than acceptable quality..
Because of this problem I developed a circuit that keeps the radio ON even if the switch fails. I have it installed on my 9x radios, but I still didn't test it with my 9XR-PRO..
Well done by the way..
João
Imagine if this happens while flying a model It seems the power switch used on this radio is of a less than acceptable quality..
Because of this problem I developed a circuit that keeps the radio ON even if the switch fails. I have it installed on my 9x radios, but I still didn't test it with my 9XR-PRO..
Well done by the way..
João
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Re: 9XR Pro Power Issue
Yes I agree the switch is of poor quality.
I just sanded of the carbon from the terminals and tried if it will work. I plan to replace that switch with a higher quality or perhaps install a mosfet altogether.
I'll try to salvage a good switch from my old futaba Txs and hopefully they're the same size.
I've been reading some of the threads here and you guys are of great help.
Thanks and more power to you guys!
I just sanded of the carbon from the terminals and tried if it will work. I plan to replace that switch with a higher quality or perhaps install a mosfet altogether.
I'll try to salvage a good switch from my old futaba Txs and hopefully they're the same size.
I've been reading some of the threads here and you guys are of great help.
Thanks and more power to you guys!
Re: 9XR Pro Power Issue
Hi, it seems I am having the same issue here. Time to open the radio, I guess...
https://radindustries.wordpress.com/
Re: 9XR Pro Power Issue
Ok, I replaced the switch and now it works.
Awesome forum, full of info.
Awesome forum, full of info.
https://radindustries.wordpress.com/
Re: 9XR Pro Power Issue
Did you find a direct replacement?
João
João
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Re: 9XR Pro Power Issue
Surprisingly I had one at home that fitted almost like a glove. It needed like a 1mm of sanding in the top plastic part of the switch, to be able to fit the cap, but besides that, it fitted great and works.
My main radio is that 9xtreme you already know, this one has little use, so I am surprised it failed so fast.
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Re: 9XR Pro Power Issue
Sometimes that is the reason things fail faster
João
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