I have an LCD screen (http://www.mouser.com/Search/ProductDetail.aspx?R=HDM16216L-S-L30Svirtualkey68700000virtualkeyHDM16216L-S-L30S) that I attempted to mount in my project box. When I did an initial power up test, before I installed the mounting nuts & bolts, it worked just fine and displayed what it was supposed to display. I failed to notice before installing the nuts & bolts just how close some of the components were to the mounting holes, and I think I damaged / destroyed one. A picture is attached. Apologies for posting a full-res photo, but I wanted the potential damage to be seen clearly. I suspect that I caused R5 to fall out.
Now after I power on my project, the LCD only shows vertical lines on the screen. When I compared the resistor layout to a different LCD screen I have, R5 is populated with a 2.2 k resistor. In fact, R1, 2, 4, & 5 are populated with 2.2 k. On my smaller (damaged LCD screen), R1, 2, & 4 are populated with 6.8 k resistors. R3 is a 0 ohm resistor on both.
Does anyone know what function R5 has on a standard LCD module? The closest value resistor I have on hand to potentially replace it with is 4.7 k or 10 k, will one of them suffice?