Official JVC RS40/X3 Owners Thread - Page 336 - AVS | Home Theater Discussions And Reviews
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post #10051 of 10053 Unread 05-23-2015, 11:02 PM
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Lamp light blinking and warning light lit...PJ won't come on..

Like may fellow RS40/X3 owners, I had been very happy with my AVSF purchase (circa 2011). However, for some reason, the standby light turns green when turned on for about a minute, after which it turns red (along with the warning light) and the lamp light continues to blink. The PJ shutter remains open even after an attempt to shut it down.

Does this mean that it's time to replace the bulb?

Note that:

  1. The bulb had < 1000 hours on it (it's sparingly, but regularly used)
  2. There was NO prior lamp life warning prior to the incident
  3. A visual inspection of the bulb failed to reveal anything obvious and the filament looked intact (however that may not be the criteria for a burnout)


Any suggestions will be greatly appreciated. TIA...
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post #10052 of 10053 Unread Yesterday, 07:53 AM
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Quote:
Originally Posted by foofoobar View Post
Like may fellow RS40/X3 owners, I had been very happy with my AVSF purchase (circa 2011). However, for some reason, the standby light turns green when turned on for about a minute, after which it turns red (along with the warning light) and the lamp light continues to blink. The PJ shutter remains open even after an attempt to shut it down.

Does this mean that it's time to replace the bulb?

Note that:

  1. The bulb had < 1000 hours on it (it's sparingly, but regularly used)
  2. There was NO prior lamp life warning prior to the incident
  3. A visual inspection of the bulb failed to reveal anything obvious and the filament looked intact (however that may not be the criteria for a burnout)


Any suggestions will be greatly appreciated. TIA...
I know that you must know that this has been documented many times in this thread. Ante up for a new motherboard or power supply/ballast. As a free alternative before you go to that extreme try loading the latest firmware. You can find that at JVC under the UK region, I think. You need an old Windows PC to do it. Check this thread for these details as it has also been discussed many times.

Jack
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post #10053 of 10053 Unread Today, 05:23 AM
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lens position calibration

Will the lens position calibration procedure below work if the projector is not perfectly level and have its light centre axis aligned at 90 degrees to the plane of the screen? So, for example, my x3 is aligned at a slight angle to the screen and I use the feet to get it level to the screen.

Does anyone know if, or how, the lens position gearing can be damaged by using lens shift towards extremes?

Is there any image quality impact from using a slight amount of lens shift?

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Originally Posted by Ron Jones View Post


Quote:
Quote: Originally Posted by JonStatt:
If the lens wasn't centered properly at the factory this can be corrected. Move the lens to what you believe it "true centre". Then go into the service menu and select "reset lens data". This will set the new central lens position to wherever the lens is currently. This should then obtain the movement that you require.
I have an idea of how to tell if you have your projector truly set for zero lens shift. I haven't actually tried this, but I don't see why it wouldn't work. First find any test pattern (from the AVS HD Calibration disc or any other test disc such as DVE) where the center of the image is clearly identifed. If you have true zero vertical and horizontal lens shift then as you zoom in and out the center of the projected image will remain at the same point on the screen. If the image center moves up or down you do not actually have zero vertical lens offset and/or if it moves right or left then you do not actually have zero horizontal lens shift. Once you find the vertical and horizontal lens shift settings that keeps the center point of the projected image stationary as you zoom in and out then you have found the correct settings to provide zero lens offset. If you then feel it necessary you should be able to go into the JVC projector's service menu and reset the center point for lens shift to the position you have come up with.

Anyone see a reason this wouldn't work?

Last edited by Sithuk; Today at 05:29 AM.
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