Question about ViewSonic PJD6251 Projector

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I have the Viewsonic PJD6251 Standby fan not working

I used it to watch a movie, Then when I powered it down it shut completely down fans shut off and never restarted and I know this is bad on the bulb. Can anyone tell me what causes this and how I can fix it? I powered it back up and fans come on but so did the bulb, when off the LED light stayed lit up solid and not flashing like in standby mode

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 6 Answers

SOURCE: Red lights flashing on ViewSonic PJ750

This is a sign of overheating, its a thermal issue, I solved the problem with some compressed air, but absolutely DO NOT blow in the ldc assembly or you will get dust in the lens system. You want to blow the cmpresed air on the electronics not ont he optics. I found that over time dust hair ect collected on the thermosistor and caused the over temp error. Cleaning it resolved the issue.

Posted on Mar 01, 2009

  • 125 Answers

SOURCE: lamp and temp lights come on after power up and stay on. Lamp only has 330 hours on it.

OK, that explains it. The bulb you have installed in the projector might be the original bulb that came with the projecoter when it was new. Just becuase it states 334 hours does not mean it is new. In fact, you could have a original bulb with 3000 hrs and reset the hour timer on the projector, which means your 3000 hour bulb might have 3334 hours on it because the person who owned it before you, reset the hour timer.. Best bet, buy a new bulb and reset the hour meter and see what happens. If you have the same problem, then your ballest might needs to be replace which is rare...

Posted on May 30, 2009

  • 1 Answer

SOURCE: my viewsonic pj400 projector switches itself off

hello

i have the same problem, a clear image, the the projector shuts down, turn the fan on, and "lamp" blinks.

i returned my projector to viewsonic service center, they told me to change the lamp.

the problem is that a lamp is very expensive!

HudgeFR

Posted on Aug 05, 2009

  • 6 Answers

SOURCE: 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.

Posted on Dec 02, 2009

techman007
  • 1112 Answers

SOURCE: viewsonic PJ500 bulb does not come on

Hi.
Look at the base of the bulb at the filament in the center of the bulb, if buldging change he bulb first. If the porblem continues then have the units Ballast or Sometimes called the lamp driver check and replace if defective. The cheapest way is the check the voltage at the lamp connections in the housing for At least 280 volts, while turning on the unit you will need a voltage meter to do this.

Posted on Mar 03, 2010

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1 Answer

Turned on the projector and it immediately shut down and now has no power


it seems that the lamp ballast is failing

We supply original projector lamp,bulb,accessories,Lcd panel,Lens,DMD
chip,color wheel,motherboard,powersupply,ballast... with high quality and
competitive price.
any questions, feel free to contact me
have a nice day!
Jerry,Lampdeng Limited
lampdeng@hotma

Mar 09, 2014 | Boxlight Cinema 13HD Lamp

1 Answer

Keeps turning off


So, Shutting down to protect itself. The error light says it needs service, Cycling power makes it work for a few more minutes, then the Panasonic safety circuit shuts it down. Projector shuts down when bulb life gets to the danger zone, and also when its heat sensor says there is a problem.
So you have a bulb life issue or you have a dirty projector / fan cooling issue??

I say clean it up with some compressed air when it is cool, then check the # of hours the bulb has on it (in the menu).

Lastly brace yourself, the bulb is gonna hurt you :-$

Jun 27, 2010 | Panasonic PT-AX200U Projector

1 Answer

BenQ DX 650 Won't power up making clicking noise


Those units are designed to be fan cooled after the bulb shuts off. When the cord was pulled, the unit lost power and without the fan, sat there and cooked. Could be a thermal fuse, could be the bulb.

Mar 10, 2017 | BenQ DX 650 Multimedia Projector

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I have a infocus 4805 projector the bulb quit on me due to over heating i guess, any way it cracked and burnt out. I ordered a new bulb which i received and installed. I watched half a movie and had to...


first thing's first- clean the dust out of the projector with canned air. excessive dust and heat are death to a projector. then check the colorwheel. if you don't hear a high-pitched whir or you hear a buzzing, the colorwheel needs to be replaced. the lamp won't strike without it. next check both fans. you may need to take the top off to do it. if both fans don't spin properly, it will overheat. many times the larger fan (lamp fan) will burn out or the circuit that starts it burns out. next, check the new lamp. does it have black spot, bulges, or fogging? if so, you'll need to replace it. if you do have to, don't get the cheapest one from "bob's lamps" online. you get what you pay for. if all that is ok, then you have a bad power supply. it's rare that this model has ps issues, but it's not unheard of. you could get the part(s) from an infocus service center, or send it in to them for repair. either way, try av solutions in ny. they're really good. www.avsolutionsny.com

Dec 20, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Screen not responding


can you hear any boot sounds?
(fan noise, harddisk rattling)
do the LEDs work (battery and charger , Hdd, CD/DVD-ROM-drive,WLAN)?
this would indicate it still boots up, but screen might be broke.

u lucky?
- remove battery pack! retry booting

if not, hook it up to another external monitor
(use vga-jack in the back of it)
reboot, wait for signal

- check if the the fan is jammed
(due to sand???)
this might cause overheat problem -
use compressed air to blow/clean the fan inlet

still no luck? it simply may be broke...

Aug 04, 2009 | Computers & Internet

1 Answer

Yup same problem here..


I give you some possibilities.

1. Could be dirty contact for your memory card, try to take out the battery and no power supply attached and shut it down completely, then clean the memory edge connector with a clean soft eraser. And be sure to drain your hands with static. Then reseat it back into its place. Or the memory card or actually faulty using an spare ram to check it.

2. This can be also monitor problem, try using secondary monitor and run it to dual monitor.

3. There's some component giving up in your system, usually hard drive or cdrom. This cause hanging and shut off of your unit also. Try disenganging one at a time to find the fault. And boot using usb flash drive if you can.

This is my simple and first way fix. goodluck

Jul 07, 2009 | Toshiba Satellite A105-S4334 Notebook

1 Answer

TV shut off after 10 min.


it souds like the cooling fans arent working correctly. if the tv is staying on long enough to warm up and then shutting down i would look at the cooling fans

Jan 29, 2009 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Projector Doesn't Power-ON


Hi bmosai

Yes you will have to replace the lamp.

The Projector will shut down and stay off as a safety feature.

May 04, 2008 | Panasonic PT L711U Multimedia Projector

1 Answer

Unit shuts itself down


Sounds like you have an overheating problem. Maybe a bad fan? Also you may have a bad connection to the "bulb".
Stargazer

Jan 14, 2008 | Dell 2200MP Multimedia Projector

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