LCD pixels fading. Is there any way to rectify this ??

[arunb]

Hi,

I have a 20x4 LCD module that I used before. I now find that an entire line of pixels in one of the columns are fading. I increased the adjusted the contrast but it made no difference, is there any way this can be corrected.

The module is TC2004A, link http://www.oppod.com/LCM_SPEC%5CCharacter%5CTC2004A.PDF

thanks
arunb

[asmboy]

Time to replace the lcd -
This can happen for a number of reasons - but most likely is poor conact between controller and the glass panel contacts for row driving MPX.

Can happen with any LCD - but being a cheepie brand probably does not help much.

Beware as this could be a lot-sensitive, systematic problem with this part.

The fix ?

Throw away - get new LCD.

It is not a PIC problem.

[arunb]

Thank you for the info. What do you think of the company ??(see link in previous post).

Can Chinese brands be relied upon ??

arunb