Question about InFocus LP640 Projector Multimedia Projector

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Is it always the lamp when the error comes up "Lamp won't strike"?

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Well YES usually, either that or the Lamp Voltage Driver isn't working, or the actual High Voltage "Starter" isn't functioning...
But the lamp itself is a safe bet.

Posted on Aug 08, 2010

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Posted on Jan 02, 2017

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1 Answer

Delayed start


The new lamp just has a longer strike time than your old one. Every bulb is a little different and the strike time can be longer or shorter. If it is enough of annoyance, a new bulb would likely correct the problem.

Oct 16, 2013 | Mitsubishi WD Televison & Video

1 Answer

Lamp failure in WD-52525


i actually own this tv myself... that striking you here will only occur when the lamp does not fire. as far as lamp life i have found that mitsubishi has the longest lasting bulbs from my experience. i would check to make sure the connector on the lamp is seated properly into the other connector in the tv. if you know your lamp is 100% i would look at replacing the lamp ballast. ive had this tv for a few yrs now and love it.

Oct 17, 2007 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

My Cinego D-1000 lamp won't strike. I never got a lamp life message. What could it be?


Do you hear it trying to strike the lamp, like a spark type noise. If not then perhaps the ballast circuit is faulty, assuming that the power comes on and the leds light up.

Apr 10, 2011 | Radio Shack Cinego D-1000 Multimedia...

2 Answers

LP540 Projector Lamp Does Not come on> it has an error message; "Lamp didn't Strike". Does that mean the Lamp/Bulb is bad?


Hi,
It's most likely the lamp is bad or the part that starts the lamp called a ballast is bad. The LP540 model has an issue with the ballast burning out. The ballast is a part that starts or strikes the lamp. The only sure way to test is to try starting it with a known good lamp.
You can check for signs of a bad lamp. Think about how long you've had your projector & estimate the total hours on your lamp. If it's over 500 it very well could be the lamp as they fail at any time. Remove the lamp cover door & pull out the lamp to visually inspect it. Look in good light & use a magnifier if available too check for any cracks or chips in the small bulb & look to see if the round part of the small bulb is covered with a lot of white or if it's not round anymore. If it's very white it means it has a lot of hours on it. If there's any loose glass inside (check by turning the lamp cage in different directions) then the lamp is bad. If it's nice & clear or has only a small white spot it's probably a good lamp.
I repair almost all Infocus models if you need a quote.
Thanks & good luck,
Jim

Jan 13, 2010 | InFocus SP-LAMP-017 Projector Lamp for...

1 Answer

I have a 50 inch Sony Wega and the TV is not coming on,the TV flashes green for about 45 seconds and then flashes red. The lamp light is not lit up, and the TV sounds like it wants to come on but it does...


ok then, it sounds like it is trying to strike the lamp on some of these Sony projections it will keep trying to strike the lamp even though the bulb is no good. The lamp error detection may not be working correctly, there is a detector loop around the ballast and if it is not positioned correctly it cannot correctly detect a bad lamp. Try removing the lamp and see if it is physically damaged, if not it still may be bad and is the most common cause for a no error condition and no light problem.

Sep 02, 2009 | Televison & Video

2 Answers

I have infocus sp5000 and the lamp has stopped working. I pulled it our of the unit and it looks perfect. I suspect it is the lamp counter, but I need a method to reset without being able to see the...


there isn't one. you need to see the menu. but what color is the led and is it blinking?
green- all is well
red blinking:
1 time- lamp not striking after 5x.
2 times- lamp has more than 3000 hrs. replace lamp.
3 times- lamp failure. replace lamp.
4 times- fan failure. shuts down.
5 times- undiagnosed error. possibly ballast or colorwheel.

if the colorwheel won't spin, the lamp won't light. when you turn on the projector, do you hear a high-pitched whir? if not, the colorwheel needs replacing.

Aug 17, 2009 | InFocus SP-LAMP-017 Projector Lamp for...

1 Answer

Hd50lpw175x7


Ballast Verification Process
1. Short out door switch (SP001)
2. Apply AC power and wait till DM module boots
3. Press power switch and observe spark gap on ballast
4. If spark gap arcs, suspect Lamp. If color wheel starts but ballast won’t strike
lamp, go to next step.
5. Measure BP252 on AC IN CBA for +300Vdc. If missing check door switch, cable
from AC IN CBA to switch and AC IN PCB. If correct go to next step.
6. Monitor pin 2 of BT251 for Ballast ON command from Light Engine. If present
suspect Ballast. If missing suspect Light Engine. Pin 5 of BT251 starts at 3.3V
after power switch is pressed and drops to .18V when the Light Engine sends the
start command. No change on pin 5 indicates Light Engine is suspect, change
on pin 5 with no ballast start, ballast is suspect.

Note: Lamp may arc but not start. Pin 5 of BT251 is "LAMP LIT" and goes to 1.48V
when lamp is lit. If ballast strikes lamp but lamp won’t stay lit, suspect Lamp.

Jun 09, 2008 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

Green light On Off


You should listen for a strike noise at the lamp or ballast area, 1 strike for each cycle. A weak lamp will take more strikes to start, until one day it never starts.

Feb 05, 2008 | RCA HD50LPW42 50" Rear Projection HDTV

3 Answers

Lamp will not strike error message


this can sometimes indicate either an overheating issue, a lamp service life problem, or that the cover to the lamp housing has not been secured properly.

Dec 14, 2007 | InFocus LP120 / 1000 Lumens / XGA / DLP...

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