Question about Hitachi 50VF820 Projection TV

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Bulb blowing out

Projector lamp keeps blowing

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Posted on Jan 02, 2017

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SOURCE: I have a Hitachi CP-X417

It sounds like you may have a broken or inefficient / blocked cooling fan. Check the air filters and make sure it is very clean and dust free. Also listen to hear if the fan is running at what you think is a normal speed - not irregular or start / stop. If this is all ok then it may be an issue on the d.c power supply to the fan - don't spend more money on a bulb until you check this out.

Posted on Mar 18, 2011

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1 Answer

Projector cp-sx635 lamp indicator glows red (RED). intimate trouble shoot pl


sounds like the bulb will not fire up. most likely cause is the bulb needs replacing

Jan 03, 2013 | Hitachi CPSX635 4000 Lumens LCD Projector...

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I have a Sharp XR-10X-XL projector, i have replaced the bulb but it still will not go on. The Stand by light and the bulb light are both on constant red, I have checked both the heat sensor and the fuse on...


Reset the lamp timer.
1,Connect the power cord.
2,While simultaneously holding down "menu","enter" and "down" on the projector, press "standby/On" on the projector and keep all four buttons pressed down until the lamp indicator starts blinking green.
"LAMP 0000H" is displayed, indicating that the lamp timer is reset.

Have a nice day!
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Dec 13, 2010 | Sharp (AN-XR10LP) Projector Lamp for XR10X

1 Answer

Heard a pop and then the bulb went out -- is the fix, bulb replacement normally?


yes. when you replace the lamp, make sure to blow the dust out of the projector with canned air. this will extend the life of the lamp. also reset the lamp timer.

Mar 15, 2010 | InFocus LP500 Multimedia Projector

1 Answer

My benq projector keeps blowing lamps.


first, blow out any dust with canned air. dust keeps in the heat that the projector is trying to expell. next, don't buy cheap lamps from random websites. you get what you pay for. and make sure you have the correct lamp that the manufacturer states. also make sure there is sufficient space around the projector. the vents cannot be blocked. lastly, reset the settings to factory default. many times there is a low power/full power setting. the fans go on full on high power. there should be at least 2 fans. one for the lamp, one for the optical engine. may be one for the power supply. if the one near the lamp is not blowing much, replace it.

Nov 29, 2009 | BenQ PE8720 DLP Projector

1 Answer

Panasonic projector keeps shutting off


Try this utube link. I did it and it solved the problem in about 30 seconds! Don't spend any money or send out your unit. This does it.

http://www.youtube.com/watch?v=6jGwB05_gdk

May 27, 2009 | Panasonic PT-AX100U-EC DLP Projector

1 Answer

Panasonic projector keeps shutting off


http://www.youtube.com/watch?v=6jGwB05_gdk

5 minute fix guaranteed

worked for me

Apr 05, 2009 | Panasonic PT-AX100U-EC DLP Projector

1 Answer

Exploding Bulb


remove the top of the projector (remove the 6 screws on the bottom and the top 2 screws on the back), use canned air, and blow every piece of dust out of every nook and cranny. also, don't get cheap lamps from "bob's house o' lamps". get the AN-XR10XLP/1 from a sharp dealer to get the full life out of a lamp. also, make sure the vents on the projector are not blocked when you use it.

Mar 20, 2009 | Sharp XR-10X Multimedia Projector

1 Answer

Viewsonic PJ550 lamp


Problem 1) The projector should put out a burst of 7000-15000 volts to start the lamp, and then immediately drop down to 60-100 vlts to keep the lamp lit. It sounds like the bulb blowing took out your ballast, or the ballast going out took the bulb (uncontrolled current = overheated bulb = boom)

Problem 2) Thats not a problem at all. HID lighting uses an arc to create light, just like welding creates light. Since it uses an arc, and not the heating of metal, there is no filament to test the resistance of. All the bulb is, is a special mixture of gasses and two very durable electrodes, with a gap in between.

Nov 27, 2008 | ViewSonic PJ550 Multimedia Projector

2 Answers

Lamp bulb


Hi shanoo

I've learnt that most Projector brands can take Osram lamps - try finding a Osram agent near you and remember to keep the wattage of the lamp the same as the previous.

May 09, 2008 | Sony XL-2000U Projector Lamp for XBR800...

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