Question about Sony VPH1271Q Projector Clearance-PRICE DROP.. Multimedia Projector

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Sony VPH1271Q SuperData EX

After a remodeling project, screen comes on then within seconds automatically shuts off. Air cleaned out entire system for dust from remodel project and stayed on longer but still shut off before being used.

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Most likely a loose connection. Check all connections and secure tightly. Visual inspection is not enough. You often can't tell just by looking. It may also be a loose solder joint. Had this exact problem last week with my brothers 1270. It was a loose connection on the 'D" board ( I think it was the D board). I also had this problem after I replaced a tube in a 1270. I had to remove the power supply and when I reinstalled I did not secure the connection completely. It was 99.9% tight just needed that extra push to make contact.
I've bought many CRT projectors over the years for virtually nothing because they were advertised as having the same " turns on and shuts off" problem. I would guess 90% of the time it was a loose connection somewhere.

Posted on Oct 27, 2008

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CRT projectors have a lot of safety circuits built in so that it protects the CRTs from damage. It can be anything from underscan to a fan not turning. There is an LED numerical readout which will help you on the side of the projector.

Posted on Jan 14, 2009

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