Epson EMP 7500 Multimedia Projector "test continuity lamp" Questions

Optoma HD80 flashing blue lights When switched on it self-tests OK then starts noises of fan, color wheel, lamp lights then after 10-20seconds all stops no fan or color wheel noise and lamp goes off ...

...colorwheel's 7th attempt to run. What is the problem? hi  friend, please try to clean the testing diode of color ...

SONY VESA PROJECTOR NOT POWERING ON AFTER POWER SURGE FUSE TEST- NO CONTINUITY hi check your lamp

...test the lamp on another unit or at a test center to confirm as the fault seems to represent a faulty lamp. If this is confirmed then the we can proceed to access the voltage on the lamp , if so the ...

...If you have a lamp that was removed due to age but still worked you could use the lamp to test it.here is a link to the user manual: http://www.iusb.edu/~libg/ims/VT570_MAN.pdf Hope this helps.

...not lighting up and you want to test it. use a multimeter to test continuity on the two seperate connection points on the bulb... no continuity... the bulb is burnt out and you need a new one... ...

...be that the switches(sensors) for covers are sensing an open cover. If you are comfortable with testing you can test the switches first by pressing them and checking for continuity. I hope this

... no noise, and I wasn't pressing any buttons. I had the timer on my SmartBoard and my students were testing when it just turned off. The power light is on, but the projector is not running. you need ...

...test that can be run inexpensively to tell if it is good? then after power up the machine does like so many others have described on here, runs the fan (sounds like it is shutting down actually; w/o ...

...so through investigation discovered there are various eletronic repair places, one guy looked and tested the board and apparently two capacitors on the unit had fried, cost $100 AUD, good as