In a comment a guy said he aligned the tubes/projectors manually (or was it the lamps?). i cannot align the colors with the three screws. do i need to align the tubes manually? how do i go about it?
Color out of line
Had same convergence problem. Replace both ICs. Got into service menu and are able to allign blue both directions(vert & horiz), but can only allign the horizontal red lines on the grid. We cannot move the vertical red lines to the right or left. Center red lines are close, but the further out you go, the worse they get. They also start to arc at the edges. Your article has been the most helpful of any we've read. (It is a little difficult navigating in the service menu when you don't know what the codes are. e.g. we couldn't find a 2150p-2 category) We've made alot of progress-it's frustrating to be stuck now. We'd appreciate any help you can give us. Thanks (PS TV only 4 yrs old, and was serviced last year before warranty ran out. Sony kp-51ws500) Thanks again. Marilee
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Re: colors out of alignment; curved lines
Marilee, you will need to check on the service manual schematic of what types of voltages you have on the IC's now. Most of the time, there are whats called pico fuses that blow out when the convergence IC's blow out. They are located on the G board, and are yellow in color. They look like small resistors. Check them for continuity after you replace the IC's. By the way, did you use good replacement IC's for the convergence? There are all sorts of aftermarket types and factory rejects being sold out there via the web or from local electronic parts distributors. Make sure they are the original types. If you know how to read a schematic diagram, but do not have the service manual, let me know, leave an e-mail address, and I will be happy to send you some info on the replacement of the ICs as well as the factory service manual. Good Luck!
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It seems that the lcd panels are failed
Have a nice day!
We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
motherboard, powersupply ... with high quality and competitive price.
Shut down the projector and allow time to cool before the lamp is taken out to be examined for any dis-coloration. If so the lamp needs to be replaced, try to test using a leased lamp to confirm Also check for shift in the alignment of the lamp settings and also the Lamp alignment.
the projection tube needs to be adjust for color alignment, each tube (red, green, blue) must be aligned so you there would be no color smear appear on screen. if it is aligned try to set up the color balance, hue etc.
This happened to me. In the projector, the section in between where the lamps go, there are two very small switch type levers, when a new lamp is positioned, these switches are supposed to move in line with a 4mm section of the new lamp. If they are not aligned together with the switch and slotted into place, it appears as if the projector doesn't recognise the new lamps. Unscrew the lamps again, make sure these little switches are aligned (a very small screw driver could help while positioning) when refitting the the lamps. Screw the lamps tightly and fire up. Hope this helps.
Your best bet on getting your hands on a Service Manual would be to contact Optoma themself.
As for changing the colour wheel , it is pretty straight forward if you were able to open up the unit and get to it.
The colourwheel is mounted with three tiny scrws to a bracket in which it sits. And the bracket in it's turn is fastenend to the body of the Projector with two tiny screws.
First unscrew the bracket from the casing of the Projector and then take off the three screws that holds the Colour wheel to the bracket. Replace and do the whole proses again - but obviously just the other way round.
This is really easy to do yourself.
Give me a shout if you need any further assistance.
Look in your menu for something called "horizontal static convergence" or just "convergence". Adjusting this will align all three tubes electronically. If physical adjustment is needed, then you have to do this manually inside the Tv. keever
Please stop where you are! Expert technicians rarely align manually = only when CRT changed or someone tries to
correct an electronic anamoly mechanically........
Curved lines are caused by defective IC's = STK392-560....
Found mounted to heatsinks on " G " PCB.........T.
Please rate solution offered and ask for more help, if needed.
I had a similar problem with my InFocus LP600 although my black stripe was straight up and down. I am guessing this is caused when the unit is bumped or dropped. This is not an easy fix unless you have a lot of experience with small tools and parts and you may need an extra set of hands. I found some tiny alignment screws under the lamp cover and hidden beneath a peel-off 0.5" x 2" black plastic strip. The screws are located between the bulb assembly and the main projection lens and are oriented 90 degrees apart around the light projection path. The trick is in getting the projector to temporarily function with the lamp cover off -- it has an interlock tab on one edge that pushes on a microswitch when closed. We turned the projector upside down but raised on some slats for heat dissipation, gently held the interlock switch in with a small screw driver, and plugged in the power cord. After pushing the power switch to get the image, I adjusted the tiny screw that is angled towards the front of the projector and the stripe dissapeared! Since your stripe is angled, you may need to adjust both alignment screws. The screw heads are very tiny torx bit types but I was able to use a 3/64" (.05") allen (hex) wrench that came in a set of cheap jewelers type tools that are widely available. Be very careful while operating the unit with the lamp cover off as there are very hot surfaces and exposed wiring.
If you are handy with allen wrenches, quality screw drivers, and the like, you might 'try' opening up the can of worms and gently manipulating the red LCD panel (it will be obvious--a magenta color when off), by slightly loosening the holding screws, then moving--ever so slightly, the panel untill the ghost disappears. Do not do this though, untill you mark the present position on the top and bottom of the LCD panel. Take pictures, far and close-ups, as you go so you can reassemble the unit. The typically three LCDs can be located by finding the prism cube, located under the circuit board, and just before the output lens. Be patient, and have fun. I did this with an 'out of wack' throw away, and now it is just as enjoyable as my 'dimmer' HDTV projector. Even side by side, from 8 feet away, when both are making 72" images, the HDTV is barely clearer, Jon.