Bose Lifestyle VFD Dim Display Regeneration to make an aged VFD brighter reload

We make a very dim display much brighter by stripping the cathodes. (This is a reload of the previous video because the last section didn't render properly).

[rogerwilco]

Thanks very much for that information, it worked quite well on my very dim Bose display, but I have to say you took your time getting to the actual process. For anyone else attempting this without a variac if you have DC variable power supply it works fine too, but I would suggest unpluging the power board from the PCB assemply just in case it doesn't take kindly to having DC feed into it's output. I took mine up to around 8v a couple of times for a nice red glow for just a few seconds.

[just_DIY_r]

Hello!
Thank you very much!
I just reborn VFD in my Pioneer PD-7700.

[mattmoreira]

1:40 If I remember correctly, low heat on the filaments in fluorescent bulbs used to accelerate the sputtering of the electrodes. Could it be the case with these VFD displays?

[louisvillaescusa]

Actually, the Lee filters are also commonly used for theatrical stage lighting. Rosco, GAM (Rosco bought GAM a few years ago) and Apollo filters are also used a lot in the theater. (Where they're referred to as "gels" because the early color filters were made from geletin.) There is some concern that these mylar color filters might eventually go away as color changing LED fixtures become the standard.

[r]

Hi, can you describe what you have done? Setting an AC-voltage of aprox 4.5V on the wires does 'regenerate' the display? Or did you do other modifications. I have the same problem here.

[Dancopymus]

Hello friend, maybe you can help me.
I have a VFD, taken from a VCR, and the same (VFD) was working. Some time later, I went to do tests to find out the VFD pinout and it didn't light up. I looked more closely at the VFD and realized that the glass bubble, which is used to remove air from inside the VFD, had a broken tip, thus allowing air to enter the glass. So, do you know of any way to get around this situation? I mean, some way to remove the air from inside the glass and seal it (with glue) again. Thanks.

[adrianwhitehouse]

I have a yamaha rx-v479 amp that has a dot matrix vfd blue display. That is not as bright as it should be but also patchy. Quite a lot of segments are dimmer. Would this fix it. Although I don't have that kit to 'heat it up' could you do that? I'm near Evesham, UK

[johnny]

I have a small issue with a Sony MDS-JB920 Minidisc VFD having dimming on the right half if i send you by email the diagram could you help me out please.
I can do the repair but just need a bit of pinpointing help.
Many thanks.
Darryl

[stiiffyrabbit]

don't got no variac! sounds like i'mo shove usb 5v through my digidesign command 8 display.

[kikurass]

I have never had a decent Bose product EVER! The stuff is crap. Bose, no highs, no lows. Crap! Just like JVC.