My Turnigy 9xr pro can not boost!!!

Hardware Support for the 9XR Pro
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phandaik
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My Turnigy 9xr pro can not boost!!!

Post by phandaik » Fri Jul 01, 2022 3:31 am

Hi everyone,
My TX happened issue. Now, when I turn on the Radio (blue LED is lighting), the LCD displays "shutting down" and "Power off" immediately.
Can anyone help me?
Thanks.


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MikeB
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Re: My Turnigy 9xr pro can not boost!!!

Post by MikeB » Mon Jul 04, 2022 10:19 am

This sound to me like a power switch problem.
When the switch is on, there should be battery voltage on J6, pin 10 (ground is on pin 8).

Mike
erskyTx/er9x developer
The difficult we do immediately,
The impossible takes a little longer!

phandaik
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Re: My Turnigy 9xr pro can not boost!!!

Post by phandaik » Mon Jul 11, 2022 3:18 am

MikeB wrote:
Mon Jul 04, 2022 10:19 am
This sound to me like a power switch problem.
When the switch is on, there should be battery voltage on J6, pin 10 (ground is on pin 8).

Mike
Thanks, Mike
I have battery voltage on J6 at pin 10 (about 12V when I use the battery 3 cells) and the LCD is still lighting with display "POWER OFF".

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MikeB
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Re: My Turnigy 9xr pro can not boost!!!

Post by MikeB » Mon Aug 01, 2022 9:20 am

Check pin 4 of J6, this should also have the battery voltage on it. It is the RF module power, switched from a separate contact on the power switch, and is used to detect the power switch is on.

Mike
erskyTx/er9x developer
The difficult we do immediately,
The impossible takes a little longer!

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jhsa
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Re: My Turnigy 9xr pro can not boost!!!

Post by jhsa » Wed Aug 03, 2022 6:47 pm

I had similar problem and had to open and clean my radio's power switch.

João
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