My set was turning off after a while by itself. I thought it was something run with the lamp. I took it out. It was working when I took it out. Now, that I put it back the lamp light comes on, at the on off swtich. What did I do wrog by taking it out.
Mine did the same thing , it finally didn't come back on , it was the power supply , i put a power supply in , made sure the light door sensor was in the down position , then before powering up I did a hard reset (hold the power button down for a minute until you hear a beep.
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Yes, there were and are known issues--"lamp door not properly closed" means that but something else.
What happens is door is warped from heat from lamp----with door off set will not function due to the safety switch----want to know if switch/door are the real problem?
Engage switch with something not metal and try to turn set on--if it and lamp come on do not look at lamp directly----do not operate with level bypassed and door removed as heat can warp the outer plate if no door.
If it comes on door is the problem---look at it edgewise---if warped a little the tab on back of door that engages the lever does not do its job.
If does not come on with lever engaged something else is wrong.
There was a recall that has ended regarding this---some were so bad they melted the lamp housing and even fused the front door of the lamp to the plastic around it.
It has you Posted as a projection TV and Not DLP, if Fan to Lamp stops running set will shut off to protect Lamp,I had a DLP that would play sometimes 30 mins then shut off drove me crazy trying to firgure it out and it turn out to be Fan would stop running I replaced Fan TV working fine . When you remove back engage toggler switch to up position put a piece of tape on it to hold it is a safty switch ,then turn tv on watch to see if all fans are running also if when tv trys to come on is there a spark coming from Ballast Board if so your new Lamp is defective it does happen if not your ballast board maybe Bad it is what turns on Lamp.If all fans are running Ballast Board.
5 blink indicates - AKB circuit (AKB), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. Also unit be in IK blanking, try turning up screen slightly.
Something is overheating or you've got leaking capacitors somewhere. I'd start with the ballast board. Its directly underneath the lamp housing. You can access and remove it through the lamp door. Replace that and if that doesn't solve the problem, comment again, and we'll move on to more complicated repairs. You haven't noticed any weird noises, humming, screeching or similar oddities from the set? Turn the set on with the lamp door open and bypass the switch with a piece of tape, if you hear something like a hum, you may have a bad color wheel motor.
Make sure your remote is totally away from the set.
Make sure the buttons on the set are not sticky
If both of those are ok, it's your E-Prom in the set. RCA's are notorious for this, not a major repair, maybe $75-100. The 8 leg e-rom is only about $6.00
I just purchased a replacement lamp off ebay and the TV is working fine now. Color looks better too (which I guess I should have expected). Search for "REPLACEMENT LAMP SONY XL-2100U" on eBay and look for seller "niosales". I paid $129 out the door. Their are other auctions for this lamp you can check out. Make sure you look at lamps that include the entire lamp housing, not just the bulb.
I had a set with a similar issue--at first the tv would suddenly turn itself off, sit for a moment while flashing the power button, then "reset" itself and continue running.
Then one day it quit starting up all together. I couldn't get a picture at all. I was hoping it just needed a new lamp (which is what I was able to gather from reading various troubleshooting forums).
I took it to a repair shop for a definitive opinion, and when they took a look at the TV it actually started smoking and the issue was definately the light engine, not the lamp. Unfortunately, a light engine repair costs around $950. If you try to do it yourself, the part costs about $700, if it is in stock (and it turns out that it often is NOT in stock).
Instead of putting that much money into this TV, I'm going to have to bite the bullet and get a new TV. It just doesn't seem a good use of nearly a grand when new HDTVs can be had for around $1300. Sorry for bad news.
If you can, try to replace the light first. You can get just the lamp for less than $200, although it may be a larger issue like mine.