This won't fix the backlight, just the LCD display. If your issue is a dim display -- then you'll need to change the backlight.
If it's the LCD, do yourself a favor and save some money and pick up a sampler like a S1000, S1000PB, S1100, S2800, S3000 or S3200 or S3200XL for cheap off eBay-- these share the same LCDs as the MPC 60 and MPC 3000 so you'll save a bit of money by just taking it out of the sampler. You can usually score one of these samplers for half the price of a new OEM LCD. S1000PB is probably the cheapest one out of the whole bunch under $100 -- but you can sometimes snag S2800s and S3200s cheap too.
Plus you can get some nice extra parts as well like inverters, knobs, etc...
