Toshiba t19xxcs series with dull/whitish colors on screen \ VOGONS

Toshiba t19xxcs series with dull/whitish colors on screen

Topic actions

First post, by vbug

Posted on 2026-02-21, 10:53

vbug Offline

Rank Newbie

Rank: Newbie
Posts: 29
Joined: 2021-07-18, 10:14
Location: France

Hi, I own a Toshiba T1960cs, it works well, but the screen colors are dull/tern/whitish, especially when the screen is turned on for some time/warm, the black is whitish, even after adjusting the brightness wheel on the side of the screen. I own several T1900cs series but the others have brighter colors. I replaced all little 50v 10uf capacitors inside the screen (on the lcd driver only, I didn't touched the inverter), but it didn't changed much. I'm wondering if there is some capacitors on the motherboards I should replace as well to get the screen working properly. Any advice welcome. Thanks.

The attachment 20260221_114045.jpg is no longer available

The attachment 20260221_114943.jpg is no longer available

Reply 1 of 4, by Tiido

Posted on 2026-02-21, 11:11

Tiido Offline

Rank l33t

Rank: l33t
Posts: 3604
Joined: 2018-01-14, 04:40
Location: Norway (used to be Estonia)

This may be caused by polarizer degradation, more and more LCDs are suffering from it...

T-04YBSC, a new YMF71x based sound card & Official VOGONS thread about it
Newly made 4MB 60ns 30pin SIMMs ~
mida sa loed ? nagunii aru ei saa 😜

Reply 2 of 4, by vbug

Posted on 2026-02-21, 12:34

vbug Offline

Rank Newbie

Rank: Newbie
Posts: 29
Joined: 2021-07-18, 10:14
Location: France

How can I verify this hypothesis? I have a broken modern LCD screen from a laptop, could I reuse the polarizer on that old one ?

Reply 3 of 4, by Tiido

Posted on 2026-02-21, 15:17

Tiido Offline

Rank l33t

Rank: l33t
Posts: 3604
Joined: 2018-01-14, 04:40
Location: Norway (used to be Estonia)

I'm not sure how one can do that, maybe there's a detectable sour/vinegar smell, in which case it is game over. You can google "vinegar syndrome" for more info, at least for one type of degradation happening.

The polarizer can be replaced but it takes considerable effort. There are a few threads on this forum where people have had success, this one for example : Vinegar syndrome and choosing new polarising film

T-04YBSC, a new YMF71x based sound card & Official VOGONS thread about it
Newly made 4MB 60ns 30pin SIMMs ~
mida sa loed ? nagunii aru ei saa 😜

Reply 4 of 4, by vbug

Posted on 2026-02-21, 16:27

vbug Offline

Rank Newbie

Rank: Newbie
Posts: 29
Joined: 2021-07-18, 10:14
Location: France

I know what is vinegar syndrom, I already had some laptops concerned, but I don't think this is the case here, the screen looks in pretty good condition and there is no smell at all. Thanks for the link I'll check that, maybe I'll try to repair concerned screens.

Go to top of page Go to top of page

Back to General Old Hardware