Was changing channels heard a crisp pop! TV shut down power light flashes. Un pluged tv , plugged back up light quit flashing tv came on with a light blue picture and white diagonal lines running across the screen1 Help!!
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It could be the temp sensor going bad. This sensor sits on top of the
metal housing which the bulb assembly slides into. The bulb assembly
will have a hole on top and this is where the sensor is above. There is a
small blue and white wire that plugs into it. If you pull the wire out
and put a paper clip or wire in the coupling you will basically bypass
the sensor connecting the blue and white wire. If your tv turns on then
that is your problem. Its cheap too. Here were my symptoms..1] Turn tv
on 2] Bulb would light up..(which eliminates the ballast) regular
picture would show up (which eliminates the bulb and color wheel) 3] 30
seconds later tv would shut down with 3 flashing lights. After bypass
the tv turned on as always and hasnt shut down yet. Always un plug tv
first. Get the replacement part to avoid overheating and possible fire
Either your power supply is bad and needs replaced, or their is other circuitry issues. Bets to have a trained technician look at this and give you a quote for repair, it might be cheaper in the long run to replace the set.
Sounds like the color wheel may have also gone bad. I recently saw a 56" Samsung where the bulb and color wheel went at the same time. The color wheel could produce a crying noise while trying to spin up.
It sounds like you have a power supply problem.
The power supply is going into "shut-down". When this happens you have to un-plug the set to allow the charge to "bleed off" from the power supply in order for it to try to re- start.
You may have a loose connection or a component getting hot causing your problem.
It's difficult to exactly tell what is happening without making tests in the circuits.
Your best bet is to have it checked by a technician.