I have been trying to fix our PT-AE300U. The lamp light came on. We replaced the bulb in it trying to fix the situation. After that the picture would not show up followed by the lamp light flashing red again. Usually the power light will come on green, stay solid for a while, then begin to blink followed shortly by the lamp light flashing red. Following that the lamp light will start to flash amber then turns red eventualy.
I tried everything to diagnose the situation. I ttried swaping the bulbs, readjusting the screws, made sure that the bulb was placed and connected properly, cleaned the filters, cleaned out the projectors, re-established all the connections for video inpuy and made sure that the lamp cover was placed on correctly. Still after that no picture and a red flashing bulb light.
Any suggestions?!
Same here. My model is PT-AX200E.
Changed bulb yesterday and it worked fine until I shut my projector off. Today it wouldn't start again.
I opened the whole compartment (not just the bulb change slot) and blowed the dust off. Little bit rough handling and miraculously it started turned on just right.
Played couple of hours and turned it off and now it won't start again.
Frustating. I suspect some kind of circuit problem which manual suggest one reason for such behavior. Loose circuit or leaking condensator or something.
Here is service manual for Panasonic
http://www.tgohome.com/ServiceManuals/Panasonic/Panasonic_PT-AX200E_PT-AX200U_[SM].pdf
Might be broken heat sensor also.
It's not bulb problem for sure.
Could b ballast or powercsupply board
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