Products > Test Equipment

Rigol Image Burn (DP832A Triple Power Supply)

(1/2) > >>

DA-N-NY:
I just received a used DP832A that supposedly was in "Good Condition" but has significant screen burn in.  See pic below.  It was calibrated in summer of 22.  Just a bit older than a new DP832A I already had (based on serial number).  The burn-in is pretty significant and is of the "Normal" display option.  I use the "Classic" display.   I also noticed a constant white wash flicker.  It's bad regardless of display settings (brightness, contrast etc) and included a pic against my newer one with the same settings.  However, even looking closer at my new one, it looks like it is starting to suffer the same issue.  I wonder if anyone experienced a similar problem with their equipment?  I have mostly Siglent of which get a lot more use and have not noticed any burn in.
Edit:  The burnin issue is the second pic.
Edit 2: I added another pic to show how washed out it looks from the top (but page displays the same thumbnail???) So you may have to click to view it correctly.

Fungus:
Looks like they used an OLED screen in which case there's not much you can do except replace it.

RoGeorge:
That's a defective LCD, maybe a bad contact somewhere, the image shouldn't look like an interlaced TV raster.  If that's only remaining burns shadow, I think there is a screen saver feature, but I never used it.  Mine doesn't show any remnant shadows, though it's used only rarely, for hobby projects, was never left on for more than a few days continuously.

tooki:

--- Quote from: Fungus on June 08, 2023, 02:35:00 am ---Looks like they used an OLED screen

--- End quote ---
LOL no.

DA-N-NY:
The shadow burn is the screen from the last user that used "Normal" mode for display.  It's now burned in regardless of what is displayed.  I am seeing my newer Rigol unit is starting to do the same after only maybe 50-100 hours of use.  It's subtle and you would not see it unless you look for it.  But given that the "burn in" is already started, I assume that it will get worse to the point of the used but "very good" condition of the other Rigol.  Yes it has a screen saver and I just enabled it across all my Rigol equipment.  I see it on the two DP832A's (one very faintly) but not on the DP821A or the DL3021 yet, although they should have more hours of use.

Navigation

[0] Message Index

[#] Next page