My lamp was recently going out, I knew but didn't go out and purchase a new lamp. then these sets of black vertical lines showed up. there are vertical lines in sets of 7 or so and then a space then another set of lines. I replaced the lamp but am not sure what happened. color wheel go nuts?
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even technicians who are familiar with those units, before installing new lamps, they use a 'calibration unit' for that or any particular model lamp and calibrate them right after installation. If you don't have the proper calibrator and adjust them right after you installed them, you will get that result. Even experience techs come across that problem if the calibration is not done properly. Also, each lamp for a different color value, has its own calibration/sync values.
You either have a bad signal module or if you can go into the set and reseat all of the ribbons cables this might fix the set. Of course with the power off! If reseating doesn't fix, if I was going to fix it I would order a signal module first. It plugs up.
Hate to tell you this, but the PC board in the projector is gone. Had the same problem with my 3 year old AE900. Sent it to panasonic and the engineer told me i needed a new board. The PC board along with a new dynamic iris (which i already knew i neeeded) was going to cost £672 (inc labour). It wasn't worth fixing as you can buy a new 200 for about the same price.
If you still have your warranty - then your sorted. Have to say the Panasonic engineers who are based in Cardiff were very helpful when diagnosing and explaining the faults.
the light tunnel is either collapsing and blocking the light going through it (and needs replacement) or the vertical/hoizontal adjustment of the tunnel. if you take the lamp out and move the colorwheel (with a pencil eraser) to the clear section, you should be able to see a square through it. if part of the square is blocking the middle, the tunnel needs replacing.
by the way, on some projectors the light tunnel is called an integrator rod.
My guess is that there are loose solder points on the Matrix circuit. Best to resolder all points on board, especially the surface Mount ICs. If not familiar with soldering refer to service technician with the right equipment to do the job professionally. Toshiba Rear Projectors are common for this. Good Luck, Jus004