Question about BenQ PB6100 Multimedia Projector

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Buzzing sound from Benq PB6100 when warm.

Just replaced lamp thinking it was the problem but even with the new lamp, as soon as it gets warm, it starts buzzing.

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  • Anonymous Nov 15, 2008

    same problem here

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  • 13 Answers

If it is a high pitched whine, then it is most likely the color wheel. Mine did the same thing, took it apart and there is no way to lubricate the bearing, just have to deal with it. If it is a lower noise like a vibration or grinding, your best bet is to check the fans. Take the case apart and spin the fans to see if one is not spinning freely. You can lube them by taking the sticker off the back and putting a drop of oil on the shaft, then spin it until it frees up. Make sure you seal it back up with a piece of tape or something so that no contaminants get in there.

Posted on Jan 28, 2009

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1 Answer

I need to replace the lamp? i've noticed that there is a rattleing sound? What would you do? ie: replace cooling fans aswell? if so where is the best and cheapest place to buy these componants?


before buying a replacement part try to check first if there is wire touching the fan. Probably there is wire that was accidentally trip and touching the cooling fan. cooling fan didnt break so easily so check it first before buying a new one.

Aug 17, 2011 | BenQ PB6100 Multimedia Projector

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I have not used my PB6100 for a little while and when I tried to run it I only had a plain screen. I could not even get the menu to show. The lamp had less than 300 hours at the previous showing.


George - I have a similar problem. Low light output, no blue screen, or BENQ power up - nothing but low light being projected. Did you solve your problem? Same as you we have not used the projector for a few months. TIA Jim

May 23, 2011 | BenQ MP610 Multimedia Projector

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My Benq pb6100 projector needs a ''shake'' on switching on to run


Hi I am Vortash possibly a loose plug or the bulb housing is not secure and the cut off switch is not contacting .. loose fuse .. dry joints o loose component .. one thing is for sure keep shaking it
and your going to kill your bulb ?. During the arc on the lamp it builds up carbon deposits if they break loose they get hot in the bulb under working conditions against the glass and sometimes fracture it ?. don't shake your your unit unless you can afford to replace this at between $400 and $800 i bet that repair would be a more economic solution hope this helps Regards Vortash

Apr 10, 2009 | BenQ PB6100 Multimedia Projector

1 Answer

My Benq PB6100 shut off after a few seconds


I had the same problem.
First thing to do is look up the owners manual, unless you happen to still have it, then verify the the sensor for the second (or rear something that sounds not like first) temp sensor is going off. If it is basically the fan that sends air into the lamps compartment may be clogged. I have had mine for several years and recently had the same problem. I almost went out to buy something new until I convinced myself that there was no harm in taking it apart and trying something. Good thing too, since all I had to do was clean the fan and reassemble. After that it stopped turning off by itself and I haven't seen any red lights.
Good luck to You!

Mar 19, 2009 | BenQ PB6100 Multimedia Projector

3 Answers

BENQ PB2140 PROJECTOR - RESET LAMP AFTER REPLACEMENT


Hi Terence

Yes you have to reset the lamp timer.

How to do this :

1.) Hold in the up arrow key on the Projector for 5 seconds , a on-screen display will appear in the top left hand corner.

2.) It will read : Press left or right and then Menu or Auto.

Just follow the steps and the lamp timer will be reset.

Thanks for using Fixya !

May 19, 2008 | BenQ PB6100 Multimedia Projector

1 Answer

RAGO


Hi rgomez

I've requested the info from BenQ HQ and will give you feedback as soon as I get an answer.

I'm an Authorised BenQ Service Provider , so this is quite easy for me to find out.

Speak to you soon !

May 07, 2008 | BenQ PB6100 Multimedia Projector

1 Answer

BENQ FLAHING


Hi cvijr

This can only one of two things - the lamp or the Ballast ( lamp's powersupply )

Normally the PB6100/6200 lamp's has got markings on the lamp itself when this flickering occurs.

Take out the lamp by unscrewing the lamp door at the bottom. Then look for any vein like looking marks in either black or white. Or even a bubble at the bottom end of the lamp's shaft.

If you can spot anything out of order , then the lamp will need replacement.

If not , then you'll know for sure that it is the Ballast that is in need of either repair or replacement.

Part Numbers :

Ballast :5D.J8612.011

Lamp : 60.J8618.CG1

Hope this is of help and thanks for using Fixya !

May 05, 2008 | BenQ PB6100 Multimedia Projector

1 Answer

BenQ PB6100 extremely dim screen/projection


Hi skeeterJ

This is most probably your lamp , I have had loads of PB6100 's that has even had less hours on the lamp than yours and needed replacement.

Keep in mind that the 2000-3000 hours they talk about on a lamp is just a rough factory estimate. The time you get on a lamp is determined by how you use the Projector - because at the end of the day the lamp is just like a globe in your home - it doesn't like being swithed on and off for short periods. This is a mistake most Projector owners make - by thinking they are saving the bulb's lifetime and switching it off for short periods.

You can take my word on this as I am a Authorised BenQ Service Technician.

I've had clients who got 10 000 hours on one bulb just because they left the unit running for longer periods.

Lamp Part No : 60.J8618.CG1

Easiest way to make 100% sure before investing in a new lamp is to take out the lamp by opening the lamp door at the bottom.
Check for any vein like looking marks in either white or black or a bubble on the shaft.

If you have any further troubles or questions , feel free to post another posting and I'll answer it for you ASAP.

Thanks for using Fixya and good luck !

Apr 24, 2008 | BenQ PB6100 Multimedia Projector

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