The exact same thing happened to me.The bulb went I ordered one online, its a philips but the original was manufactured in Belgium,the new one in China.It comes on for 5 seconds then the picture and sound shut down.Once that happens the blue power light blinks for approx 20 seconds then it starts again and shuts down within a couple seconds.It does this over and over.When I push the power button to turn it off the lamp light comes on. Could it be a bad bulb...perhaps drawing too much current?
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It could be the bulb needs to be replaced, or the power supply. The first thing I would check is the capacitors in the power supply. Look for bulging tops on any of the capacitors. If they are bulging up, they need to be replaced. You can order a new bulb online, and if that doesn't fix it, you'll have a spare for next time.
You cooould have a bad ballast, but it's probably either that you put the lamp in wrong, or you have a defective lamp though. There's a 33% chance that any of those are the case. Unplug the TV for 30 seconds. Plug it back in. Try turning it on again. Make sure you didn't over tighten the lamp during install. Especially the screw on the side. It should be a tight connection. Send the lamp back and get a new one. Usually they come with a warranty. If the new one doesn't work, it's either the ballast, or the power supply.
there is a few things this could be - the 'vertical' of the television went out, the CCFL bulbs are on their way out/burnt out, or the inverter powering the bulbs went out. If you can hold a flashlight to the screen and see picture, it is either the inverter or the lamps - if not, then it's the vertical, and it's easier to just replace
I purchased my Sony bulb from BulbsOutlet.com and it was the best shopping experience ever. The customer service was impeccable, the rep. Jay was amazing and bent over backwards to do whatever it took to resolve any questions or concerns I had. This company is AWESOME and I highly recommend them to ANYONE. I will definitely buy from them again. Thanks BulbsOutlet!
My television had two red lights flashing, one for Temp and the other for the lamp. I removed mythe lamp assembly and the bulb filament was burnt out. I order a new lamp and housing unit UX21517 and replaced it and now I have the red light flashing which is calling out the lamp again.
The repair man just left my house for the EXACT same problem on the EXACT same model TV. All he had to do was remove the front panel on the TV and clean the bulb and fan. He said the bulb may have to be replaced before long but it is working perfectly now!! $100 service call to clean the bulb!
I had the same issue when replacing my lamp for the first time. I replace just the bulb with the Phillips replacement bulb. After installing the power down issue started and it would take up to 7 attempts before the TV would stay on with a picture.
Since I never had this problem until i replaced the bulb i decided to send the new bulb back and replace it with a difference one. In my opinion replacement parts are never made to the same standard as original OEM parts. This TV is definitely very temperamental in regard to the bulbs.
When the second replacement bulb arrived I decided to not only replace the bulb I also cleaned the connector plug in the cartridge with a QTip and alcohol. I did the same for the plug receptor in the TV.
When I replaced the bulb i insured the the top of bulb lettering was facing the handle of the cartridge so when you put the cartridge back in the TV the top of the bulb would be facing you.
I also cleaned the entire inside of the TV where the cartridge is inserted including the screws.
Once I did all this the TV turned on the first time and has been working fine for three days now.
I do believe the replacement bulb position is very important as to how it heats up and determines when it needs to cool.
I hope this helps others with the same success i had because I really do not want to replace this TV and start replacing all the parts others have done with little to no success for this issue.
I'm going throught the exact same thing right now. After the lights quit blinking, and the blue light goes off, does the red lamp light stay on. This usually means your lamp has gone bad ($200.00 plus). But when I ordered the lamp, it did the same thing. Had to have the certified hitachi repair man come out for the and told me it had to be a bad lamp, so I ordered a 2nd one with the same result. He came out again and had to take the TV away, later telling me the ballast must have blown when the original lamp went bad. Another $200.00 part. I haven't fought this one with Hitachi yet but am going to try. The ballast shouldn'e go just because the lamp goes out. The set is only 21/2 years old and I've already had to spend about $700.00 on the light enging replacement and now this lamp and ballast expense. Love the TV but would expect a lot less problems from a $2500.00 top model Hitachi. I'm going to see if they feel the same way, hopefully not but I'm not real optimistic they will care. Hope this helps.
I finally wet out and bought the tv repair manual. Thought the problem had to be more than the bulb because i was losing sound too. Everything in hte repair manual brought me to the bulb or the ballast. I ordered a replacemant bulb. I spent about 150, which included overnight shipping. I replaced the bulb just before Thanksgiving and haven't had any problems as of yet....