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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Posted on Jan 02, 2017

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I'm looking for some instructions for a hanimex super 8 zoom projector. Can't find them anywhere.


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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 !

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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 !

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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 !

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