This original NEC 121PW111-B inverter comes with 90 days warranty.
In most cases, replacing defective NEC 121PW111-B may not solve the problem, because the defective 121PW111-B is cause by bad CCFL lamps. So, when replacing 121PW111-B inverter, you also
need to replace two CCFL lamps, too.
However, the most cost effective solution will be upgrading to our LED Backlight kits. To extend NEC LCD Screen’s life and improving its performance, upgrading to UB54 Series seems to be the best option. It is easy to install, no technical skill require, no soldering require, anyone can do it!
LED has a longer lifespan, typically lasting over 100,000 hours (last 10X longer than CCFL).
This LED upgrade kit included the following items:
1 LED strip (Replacing 2 CCFL Lamps),
1 LED driver (Replacing Defective 121PW111-B)
1 6 pin pigtail connector.
LED Upgrade kit for NEC 121PW111-B inverter are listed below.
UB54 series LED kit: UB54255LED6420X1+MS610UB+DISENA
LSR series LED kit: LSRSB44255X11R7+MS623EXT
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