Disabling USB port when Pro box is in standby

[NickBS]

Hey guys,

I am using a usb strip light to create illumination behind my TV. The USB port on my TV doesn't seem to have enough power output for the light but I have success with the usb port on the pro TV box.

However, the box continues to power the strip light even when it's standby. 

Is there a way to adjust usb port settings, so it kills off the power and light when I turn off the TV box via remote?

I've had a mooch around the box settings and it doesn't seem possible. I'll check internally, but figured you guys might already know. 

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@zulu17 @Midnight_Voice 

[rbz5416]

AFAIK, the USB port has no user functionality, it was only ever loosely defined as a service port. So I suspect the only way to kill it's output would be to alter the standby settings. But then you face waiting a fortnight for the thing to boot, even if that does work.

So you'll probably need to look to another device for power. Do you have a Bluray player with a USB?

Does the TV have a second USB? Sometimes one will have a higher current rating than the other. Or back in the days when USB powered HDDs first became a thing, they would often come with a double-headed cable for the same reason, lack of current from a single port. Maybe have a scout round for some sort of splitter.

Edit: they do exist!

[Midnight_Voice]

@NickBS 

Given what the port is used for, accessibility features including keyboard for users who can’t use a remote, I would predict that it has to stay powered up so such users can power on the YouView box from standby.

Does your TV by any chance have a USB port with a blue divider in it? This would be a more powerful USB3 port that should do the job. The One Connect box for our kitchen/diner Samsung JS9000 has such a USB port, and I recall being disappointed I couldn’t charge my drone from it except when the TV was on, so it is definitely switched.

[zulu17]

I suspect that as the USB port is available to plug in an accessible keyboard/keypad for box control it remains powered in standby to allow a keyboard user to bring the box out of standby.

[rbz5416]

I stand corrected on the keyboard function of the USB port!

[Jones_01]

@NickBS 

If the Pro box is like earlier Youview boxes, power to the USB socket goes off when the box goes into deep standby.

[Paul608085]

@NickBS 

If manual control is acceptable, then you could use a switch in the power cable.

I use something similar to this to control power a Bluetooth audio receiver that I don't want running continuously:

Try searching on a shopping site for "USB Switch Cable" or similar.

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[Hunter2660 · Accepted solution]

I used a strip light when I had the Pro box. I adjusted the settings to deep sleep overnight and return to standby at midday. Worked perfectly for me, try selecting a time to suit your working day.