Disconnected lcd from case but connectors came out need wiring di
I have a xerox xa7 19i lcd monitor and I had white out on start up.
I saw your thread on capacitor replacement and step by step dismantling instructions which looked like the answer to my problem.
I purchased the capacitors, and followed the instructions, but when lifting the lcd screen away from the casing the wire connectors pulled free before I could mark them for reassembly.
I need a wiring diagram or instructions as to which connectors connect to which ( There are four connectors each containing two different coloured wires on each side ).
Can anyone help me with this problem?
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I would try VGA to VGA hook up first to narrow down the problem before start taking the monitor apart. Most common failure in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). See example of failed monitors to get some ideas of what goes wrong: http://s807.photobucket.com/home/budm/allalbums Post back what you see inside so we can guide you further.
i had this same prob. For me it wasn't the monitor but the video card and or mobo. I tried monitors on other comps adn worked just fine. Tried comp on 4 monitors and same prob. bought new mobo and problem solved. New prob fixing mobo and or video card
I have the same problem with my LCD tv... The DVI-D (white connector in the back) and the D-SUB (connector on main-board next to the DVI-D) work great for my computer. However, the antenna returns only a white screen no matter what I plug into with it using a coaxial cable. Judging by the modular configuration on the TV (1 main board with LCD monitor attached to it and the 2 computer inputs, and a smalled board on the back with the antenna, component video, S-video, mini-jack out, and composite video.) I think the smaller board which I believe is called a "NR Unit" is what has failed. I took off the back mini-panel of the TV off, which just slides off when you press down 2 tabs. And, I found the small board which is only held down by 5 small screws, and it pops right off. So, if you can find a NR board from westinghouse that works, it's a quick and easy (hopefully inexspensive) replacement. Hope this helped.
always try with another monitor,before do nothing else. this reveal if the problem is the monitor. could be a cable problem( cutted inside),could be a backlight problem (it have a flourescent tube and a inverter that makes it "shine" ,or a supply problem what means it don't even work.these tree case are for the repairman.
I had the same problem but fortunately I have two of these monitors so could fiddle with the menus on the working monitor until I could work out how to fix it on the one with the white screen problem. Here's what you do:-
With the monitor on and the white screen showing press MENU, then UP 7 times, then MENU and presto! Your screen will be back to normal.
What this does is change the input from ANALOG to DIGITAL (or vice versa!) either way this worked for me.
The E151FPb's seem to have a problem of this sort. After doing some research online I've found that the most common problem is a few dry solder joints on the large circuit board inside the monitor. There was also some talk of a connector suffering from heat creep that sound be connected better on the inside, but usually that would make the screen turn black if it were to become disconnected. The monitor can be opened by unscrewing all the screws on the back, there should be 6 screws you need to pull out before being able to open the case. After those, insert a thin, but strong piece of metal into the side and sort of twist/slide it along the side and it should pop open some clips and just work your way around the perimeter. After that it's just some simple and obvious screws to get to the circuit boards.