Renfield-64 Posted March 10, 2015 Posted March 10, 2015 Hi, one of our projectors, an Epson EB-X11 has recently started suffering from image wobble. It doesn't seem to be related to the ceiling mount as there is no one above and even if I hold it still it still happens. IS this perhaps a sign of something in the projector failing? Has anyone experienced this?
fairm010 Posted March 10, 2015 Posted March 10, 2015 I'd check the lamp is screwed in correctly first.
fairm010 Posted March 10, 2015 Posted March 10, 2015 How about the colour wheel inside. Id check the internals for any loose parts. I'm sure someone more knowledgeable will be along soon!
halbaradkenafin Posted March 10, 2015 Posted March 10, 2015 Is it the image or the board that wobbles? I've seen a few times where staff report it as image wobble but it's due to the board moving (usually due to being mounted on the same wall as a door that shuts heavily).
peterp Posted March 10, 2015 Posted March 10, 2015 Is it VGA or a digital signal? Our VGA projectors sometimes exhibit wobble when they have poor quality, or overly long cable kits. Slowly trying to get HDMI to all of our new projectors.
Gibbo Posted March 10, 2015 Posted March 10, 2015 We're having the exact same problem with the same projector. We put it down to power / earthing issues. At first unplugging the laptop charger helped. Then using a travel adaptor. But the problem has resurfaced.
Chris_ Posted March 10, 2015 Posted March 10, 2015 We had this intermittently issue with an EB-X7, we replaced it with a Casio XJ-M130 and not had any issues since. We've now got the same issue with another EB-X7.
Renfield-64 Posted March 10, 2015 Author Posted March 10, 2015 Its the image, the board is mounted on a solid wall. The image wobbled continuously throughout the lesson.
Renfield-64 Posted March 10, 2015 Author Posted March 10, 2015 The signal is HDMI coming from the PC thro' a convertor to VGA to the projector.
jamesreedersmith Posted March 10, 2015 Posted March 10, 2015 does the picture (blue screen) have a wobble if no signal attached?
Educare_AV Posted March 10, 2015 Posted March 10, 2015 Iv'e had this in the past and the issue has been the resolution from the PC has been set too high. The optimum res for an X11 is 1024 x 768
Renfield-64 Posted March 11, 2015 Author Posted March 11, 2015 Yes I always use 1024 x 768 as the resolution so it can't be that
Techie2000 Posted March 11, 2015 Posted March 11, 2015 Does it still wobble without the VGA converter? I have this issue when using our Apple TV's through a converter - everything has a slight wobble to it (particularly around the edges of the screen). Fortunately our projectors have a HDMI input - when testing without the converter, the wobble vanishes. At another school I experienced a wobble which the Epson engineer informed me was due to a faulty fan bearing - when the fan was running, the faulty bearing was shaking the internals of the projector.
Renfield-64 Posted March 11, 2015 Author Posted March 11, 2015 Ah, no, if I disconnect the PC signal the wobble goes away
pcstru Posted March 11, 2015 Posted March 11, 2015 Ah, no, if I disconnect the PC signal the wobble goes away That strongly suggests it is the cable/connectors. Can you try a direct HDMI with a different cable?
Renfield-64 Posted March 11, 2015 Author Posted March 11, 2015 I will try another cable but it would still have to go thro' the HDMI - VGA convertor as the projector is only VGA.
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now