Vpl-hs20 blue haze fading into picture at top of screen
When there is a movie or any kind of a seen in show on someones face there is blue haze bleeding through not on white backgroud it is ok like when projector starts up it has a white backgroud can`t see any problems it really only does it when there is a show on if directv is starting up even whith darrk colors you don`t see blue bleeding through it has to be live picture
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Re: vpl-hs20 blue haze fading into picture at top of...
Hi and welcome to FixYa,
Initially, have you tried cleaning the lens and/or the lamp? Each projector has specifi access points for doing so, pls refer to your owner's manual for the appropriate procedures. Or postback to confirm if you have a SonyVPL-HS20.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.
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Its your blue polarizer going bad. This happens over time due to the excessive heat generated in the projector. The main problem is that your projector has organic LCD panels that degrade over time and in turn degrades your blue polarizer. The same thing happened to my sanyo Z2. It took 5 years for it to show on my Sanyo because I only use the projector for sports and movies. not daily tv watching. In any case, it isnt worth it to spend the money ti fix it...jut put tat towrds a new projector. The latest crop of LCD projectors almost all use in-organic LCD panels that last much longer. Hope this helps.
These instructions are for a Sony Cineza VPL HS3, but may be the same for the HS3.
1st thing to check - is the cover properly/completely closed - this can stop the projector from working.
Connect the power and set the projector to standby mode.
Press these buttons on the remote control in this order, for less than 5 seconds each.
Reset - Left Arrow - Right Arrow - Enter
This is required, to reset the lamp timer.
Also, something I found interesting from the internet - lamp life isn't
when the bulb dies, but when a bulb has lost 10% of its brightness - so
you might well be able to reset the timer and get much more use from
the bulb - the image just wont be as bright.
There is a heat sensor cutting down the power. The sensor is located on the upper side between lamp and fan and is monitoring the air temperatur. I don't know what is causing the sensor to switch - excessive heat or simply age or ... . Anyway un screwed this sensor and my problem disappeared.
Possibly a stronger fan would solve the problem too.
I know this post is 3yrs old, but wanted to add a couple things. I have the VPL-HS20, you can take the filter out and blow it out with air can duster every so often. I bought a new one and they are over $30.00.. Also buy the correct bulb LMP-H180 3000hrs if you replace it. You can clean the front lens protector, Remove slide tab, hold top and bottom of lens cover assembly and give a firm 1/4 twist clockwise, then pull out. You can clean it with glass cleaner cloth.
My VPL-HS51 just started doing the same thing. There's a lot of similar reports out there and they all end up at the same bottom line - the problem is due to a design defect in the 'prism block' (LCD panel) and the only option, other than to throw it away or sell it for parts, is to pay Sony about $2300.00 to fix it. Good luck!