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DILA Gurus, Help!! G11 won't start

621 Views 14 Replies 8 Participants Last post by Roberto Koelewijn, Nov 25, 2002

sprakash

Discussion Starter · Nov 22, 2002

My G11 is almost 2 years old, has under 400 hours on the lamp. I last watched a movie a week or so ago without any problem.

Now, the Standby green led glows when I turn the power on, but when I hit Operate (on the machine or remote) the amber led lights up, but there is no sound of the fan or the bulb being lit and then after about 15 seconds, the amber led goes off, the standby led blinks 2-3 times and then is steady.

I cleaned the filter, pulled out the bulb casing to look - no burnout visible like a fused bulb, put it back carefully.

Tried all over again, same thing. I always switch it off after the fan stops, have not spilled anything on it - heck I haven't even breathed hard on it.

I also tried Dilard to light it, same thing.

Its ironic that just today I was asking about replacement bulbs.

Anybody, please help.

TIA,

SP

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1 - 15 of 15 Posts

Roberto Koelewijn

· #2 · Nov 22, 2002

Maybe the lamp is defective, or the lamp powersupply. The lamp powersupply exists of 2 parts, the power supply and the ignition unit.

As the manual stated, first replace the lamp. If that doesn't help possible the powersupply is defective.

I have recently bought a defective G1000 of ebay with the same error. From standby to emergency in 15 seconds.

In my case there was absolutely no light coming from the lamp. After i repaired the defective ignition unit the lamp flashed and after i repaired the variable resistor regulating the power to the lamp, the projector was working

(the previous owner had completely destroyed this resistor using a hammer and chisel)

btw you can use dilard to ask the projector what the failure is.

regards,

Roberto

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sprakash

Discussion Starter · #3 · Nov 22, 2002

Thanks Roberto. Mine goes from Standby back to Standby in about 15 seconds. None of the other lights - emergency/lamp etc. flash.

I also do not hear the ignition/clicking sound. My guess is that the

ignitor(?) is not striking. Could be the power supply.

I know there was a similar thread about 6-8 months ago but the search does not seem to go to the archived threads.

BTW how do I ask dilard about the failure?

Thanks a lot.

SP

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Art Lloyd

· #4 · Nov 22, 2002

SP,

I had a similar problem a few months ago. The culprit was a fan. The bulb would not strike when the computor sensed that one of the fans was not working. There was some old information about a piece of plastic released into the unit when one popped out the legs to attach a mounting bracket and I surmised that might have been what jammed my outlet fan, but I guess anything could cause a fan motor to die. Just an idea. Art

Roberto Koelewijn

· #5 · Nov 22, 2002

SP,

In the dilard automation wizard there is a macro 'showprojectorerrors'.

It wil show why the projector doesn't start.

regards,

Roberto

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sprakash

Discussion Starter · #6 · Nov 22, 2002

Thanks Art, Roberto. I was able to use the macro and the errors were "Fan was locked", "Projector did not light"

I have not popped out the legs yet, but as you said Art, anything can cause the fan motor to die.

At least I know what to tell the support center when I call them Monday. Just hope their turn-around time is halfway decent.

Thanks again guys, and Dilard too.

SP

Mel Fritsch

· #7 · Nov 23, 2002

SP

I bought a G-15U and had it installed Aug.28th of this year. On Sept.26th MY unit would not start. The standby light was on and when I tried to start the unit the orange (operate) light would come on for aprox. 15 seconds, then the green (standby) light would blink a couple of times and then stay on. No other noise, no lights, nothing. I then tried a new bulb with new cage, (have on hand) and still nothing. Sent the unit to JVC in Illinois and they still have it. Last week I was told that a resistor and the pulse transformer had gone out and that I may see this unit back next week? Turn around time if I see it next week? nearing 4 weeks.

Mel

CCLAY

· #8 · Nov 23, 2002

sparkash,

Hard to say what the problem might be. When I inverted my G11 earlier this year, pulling out the screws caused a breakage in some type of plastic retainer holding those screws in. That was that thread 6-8 months ago.

I'm not sure all DILAs have the same plastic retainer because many reported no problems after inverting their Pj. For me, it was immediate. My main exhaust fan would come on, the lamp would flash then immediately turn off, then the emerency light would blink. It must have been one of the other fans the plastic piece was in.

Seeing as you haven't inverted your Pj, it's not likely this issue, but if your main fan doesn't come on at the start, it still could be fan related. In any event, I'm sure the service center will take care of it. Their turnaround time was pretty quick, just try to get a contact name first before you send it in so you can call often to check on the status.

Good luck.

Chris

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Mark Hoy

· #9 · Nov 23, 2002

If you recently cleaned your filter, it may not be fully seated.

Art Lloyd

· #10 · Nov 23, 2002

I have a Dukane badged G15. For me, at least, Dukane was very quick, about a day and a half in shop. As I enter my third year with the pj I do value the remaining two years of the warranty. These things are well made but still very complex, dependent upon may little parts. Art

wm

· #11 · Nov 24, 2002

On a G15, and probably a G11, the fans start after the lamp strikes. So if you aren't seeing the lamp come on, it's probably not the fans...

CCLAY

· #12 · Nov 24, 2002

Yep, that's true for the G11 as well.

Oddly enough, when my fan went down, the lamp did not strike first. One of the fans would come on and after a slight delay, the lamp would strike(flash), then immediately turn off, followed by the fan and then the emergency light blinking.

Chris

sprakash

Discussion Starter · #13 · Nov 24, 2002

Thanks everyone. Ovet the weekend I tried a few things based on all your observations.

Initially, after a few tries using dilard, the striking click could be heard, but the lamp would not light and the fan wouldn't turn on. This was Friday.

Yesterday, I could turn the fan on/off using dilard. I next tried to power on with the fan running, but no ignition. Then I hit power off and tried to turn off the fan, but got a message saying it was in the power down mode and after a few minutes, the fan shut off on its own.

William is correct that the ignition takes place before the fan starts.

So I guess the problem lies in the region where the power supply initiates ignition. I have only 350 hours on the lamp so the the lamp should be OK.

I will get on the phone to the Atlanta area service center and try and get this fixed. Anyone dealt with a person in the Atlanta center that I could ask for?

Thanks again guys, I appreciate your help.

SP

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Chuck Fritsch

· #14 · Nov 25, 2002

Sprakash

Sounds like my G11 did the same as yours. Same symptoms except mine did it at 136 hours. Called JVC and talked to a tech who said it must be a power supply problem as the bulb had so few hours on it. Sent the machine in and had it back in 6 days. Suprise ! It WAS the bulb. Machine had 5 months and 28 days on it so it was covered by JVC . It has since run perfectly for over 800 hours. It seems that, although rare, bulbs do sometimes give up quite early.

Chuck Fritsch

Roberto Koelewijn

· #15 · Nov 25, 2002

SP,

To be shure it's not the lamp. remove the top cover. There is a PCB connected to the lamp. This is the ignitor. The ignitor builds up the ignition voltage and then discharge. During the discharge (strike) two components (spark gaps) should lid up. If they don't it's a problem of your power supply or the iginitor board. In my case it was a pulse transformer on the ignitor board.

Although i find it strange you projector is going from standby back to standby and not into emergency. Maybe it's a firmware thing.

regards,

Roberto

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1 - 15 of 15 Posts

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