Replaced lamp lighy 4 months ago know watching tv and tv goes off and is saying lamp door open
Take your door off and inspect your switch. It is possible that you did not have the door seated properly.
SOURCE: PT-45LC12 Problem after startup
When the lamp flashes 4 times this is what the error code means IC 2301 pin 11 has detected an LCD error which is caused by an error in the LCD power CBA. which means the lamp voltage has become more than 130 volts or less than 30 volts. Or the lamp current is more than 5 amps, or the lamp is cracked. Its one of thos 3 reasons that will make the lamp indicator blink 4 times. Hope this helps. If you need the service manual for this model you can get one emailed to you from the following link.
http://servicemanuals.vstore.ca/
SOURCE: TV shut off while watching and won't come back on
It seems this is a self diagnostic function. the official sony codes are as follows
It sounds like you have a video input problem. Have you unhooked all inputs from the TV and tried to power it back on by itself? Hope this helps
SOURCE: My tv turns blue and turns itself off
optical block assembly going bad. repair is pretty costly. try vacuming out the fans. DO NOT USE CANNED AIR!!!! you will blow all the crud into the optical block.
SOURCE: power light flashed red 4 times then repeats no pic,new bulb/fan!
Check the fan that cools the bulb. It is directly behing the bulb. It should turn on when the power comes on. It apparently has a safety to protect your tv(and home). mine is in the process of going out. looking for online solutions as we speak.
SOURCE: TV not working after replacing lamp
yes, the door has to engage a switch and if it doesn't the tv will not come on it usually has a 3 blink error if this is the problem. Is your red light flashing in a 3 blink series?
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