[mdlug] [Hardware] Replacing an LCD backlight

[Jeff Hanson]

On Wed, Jan 20, 2010 at 12:00 PM, Michael Corral <micorral at comcast.net> wrote:
> Not Linux-related, just wondering if anyone here has ever replaced the
> backlight tube/inverter on an LCD. For several months my Samsung SyncMaster
> 930B would be dim and flicker for several minutes when it gets powered on,
> then it would come up to full brightness. But this morning it flickered
> briefly then went black. I've checked the video and power cables, they're fine.
>
> I looked up on the web to find that LCD backlights have a lifetime of about
> 40k hours, which is about 55 months. I've had mine for 56 months, and the 3-year
> warranty has long since expired. I'm curious if it would cost more to have the
> backlight replaced than just getting a new 19" (or larger) LCD. If anyone here
> has any experience with this I'd appreciate any info you have. Thanks.
>

That is a large amount of time.  Is your LCD on continuously?

It's possible that the inverter failed, not the bulb.