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Re: BenQ PB6100 extremely dim screen/projection
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.
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US. click here to Talk to a Technician (only for users in the US for now) and get all the help you need. Goodluck!
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what car, what year,? what model (wrangler?) im clueless
bulbs get weak with age
the glass in bulb (looks like silver paint)
this is normal for extreme usage.
replace the bulbs if dim. both.
if the car has covers in front of bulbs (not my 02 wrangler)
but newer cars have this crappy plastic in front,
it can be cloudy, there is a nice kit that fixes it (labor) at walfart. ask.
1 dim bulbs
2 cloudy lenses.
3: bad wire, bad grounds and bad connectors to lamps.
4: wiring hacked by kids wanting HID bs.
5: wrong bulbs, kids again.
6: corroded fuses, (12v at lamp do you have)?
7: bad combo switch or its ground is bad.
if you have 12volts across the dim lamp, you can skip 3 to 7 fails.
see your FSM for how they work. and wiring.
does your car have DRL? daylight running light option or in CANADA?
that be more heart ache.
and my jeep the highs and lows are never on at the same time.
the combo switch selects one or the other.
what it does in flash mode, not sure. need car year. and name.
in low beams or high or both? that is caused by: 1: bad held lamp. old lamps can go dim. swap left and right, if dim follows bulb, bingo weak bulb or wrong type bulb. buy matching blubs (same brand and P/n) 2: bad wiring to lamp. damaged wires, or connectors to same. 4: bad combo switch. (if low beams) 5: bad fuse or holder, corrosion , to either. head lamp fuses. there are 2. left and right. 6: hackers, many hackers put in wrong lights. inspect it.
image is normally due to a defective lamp assembly. I'd recommend
removing the lamp and inspecting its condition. You'll notice black
corrosion build up or a bubble is starting to form around the filament of the bulb if it is what's causing the dim image.
Yes, as bulbs age they will begin losing brightness. Most projectors have a bulb life hour clock, that measures the number of hours a bulb has been used. Usually you can pull that up within the menu of the projector. Also that particular model has what is called "Eco-Mode" and when engaged dims the bulb by 25% to cut down on power consumption.
Typical life for a lamp in that projector is:
3000 hours on Normal mode 6000 hours on Eco mode
You can expect a brightness loss of 50% when you are approaching end of a lamps life.
Have you reseted the lamp timer of your tv? if not, you should do it, because it's just adding more and more hours to it to the ones it already had and it's indicating the tv that the lamp is going out, reset the lamp timer and you should be fine, if not, it's probable you might have a defective ballast which are not expensive, they're way cheaper than a lamp, they're running around 70 dlls
if the bulb has 2000 hours that means it is supposed to last 2000 hours of continual use. It is hard to keep track of the lamp hours though unless the projector has a timer built in. It depends on the manufacturer as to if it is telling you 2000 hours left or used. There should be a way to switch this. But a lamp rated for 2000 hours has 2000 hours of being on is expected lifetime
All fillament based lights will dim as they age. Some of the newer/better types it will be unnoticible. If you are losing image quality or brightness you may have a bulb that is nearing the end of it's life cycle. A glance at you owners manual or the manufactor's website should give you an indication of the expected life of your bulb. Also most of the projector made in the past few years have a counter that tallies the amount of hours your bulb has been on. A more likely culprit is probably dust accumilation somewhere inside your projector. Most projectors have filters these days and need to cleaned at certain intervals and in certains ways. Not cleaning these filters can cause heat build up that can increase operating temps and shorten the life of your bulb and or projector. Or sometimes jsut fail and cause a dramatic decrease in image quality. Again these things are vendor/model specific so you will want to check with them about your particular model. Hope this helps.
hi rouge. my name is mike wilson. i have a panasonic 50 in that has the same problem as you had on your tv. the screen got halfway dark today. did you ever get yours fixed, if so, would you mind telling me what the problem was? my problem is listed (by mistake as a 53 in) on 04/04/07. thanks in advance