RED SCREEN Oscilloscope Tektronix TBS 1102B 100Mhz/2Gsps

[MARSHALBSB]

Evening everyone,

Today while turn my oscilloscope on, I've noted that where use to be BLACK is now RED...I tried to adjust the bright intensity and it works...for 30 seconds...then it turns RED again... Everything, but the screen, seems to work fine. That's probably a LCD problem, yet, just want to share and know what you guys think about it.

[Chris56000]

Hi!

The display and waveform is quite usable according to the picture you've provided for us, and certainly doesn't look like a physical fault to me – I'd be thinking about a display or setup configuration issue for a fault like that!

Have a read of the user manual for the 'scope and see if there's a setting to adjust the display's colour pallette, and if there's not an obvious display colour setting that appears to match the display you're getting, the next thing to try is a Factory Reset of the whole scope!

Chris Williams

[stj]

interesting.

it's not a stuck signal in the red datapath or the blue would look purple.
maybe the firmware is corrupt - can you re-flash it?

[MARSHALBSB]

Thanks for your reply...

Well, at the time you were completely right...however, after that, things get wierd, look at the picture https://drive.google.com/open?id=1k4kt_xh5ZCS8kKKwtbcuY_tF1qf0YiFw this was few minutes after my firs post.

After the weekend without touch it ... It's working just fine, no RED sign!

[MARSHALBSB]

Thank u for reply,

I Could never update the firmware. I can see the file in the flash drive, I choose update, but nothing happens... so I forget about it...

But look at the GIF  I made just few minutes after my first post: https://drive.google.com/open?id=1k4kt_xh5ZCS8kKKwtbcuY_tF1qf0YiFw