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Sound like something pop in the back of t.v now no picture or sound but have still have power.

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It sounds like a blown capacitor on the intermediate frequency stage or the line output stage. Other components could have been taken out as well, so if you are capable do an extensive check in both those areas if not trust a competant technician. Hope this helps.

Posted on Sep 29, 2008

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My pros can ps56670 makes a popping noise when I turn it on but won't come on no picture


I just answered this for someone else; this sounds like a power control board problem. Basically something has short circuited and if you're hearing popping from the back and not the speakers it a power problem. If you're hearing it from the speakers but no picture then you need to replace your control board.

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TV picture goes out after 10 minutes of viewing with popping sound


It can be a couple things. Something bad on the power board. Or the vertical output circuit. How long ago did you purchase the television. Your best course of action is to have it serviced.
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Hello, Last night my Samsung plasma TV made a fairly loud popping sound while I was watching it and then the power went off. When I turned back it on, no picture but sound was o.k.


Yes the caps on theower supply, but you can check power supply board by smell an look for burnt parts it is common. May need more than one board if they are cheap get both.

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EMERSON LC320EMXF


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My Sony plasma tv made a pop sound and now picture is dark.


You will need the y and x sustain boards replaced, possibly the buffers. very expensive repair. you can replace one board but its best to do all of them.

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Loud pop in back of t.v. picture got very dim. what is the problem?


hi, theres a problem with the powersupply pls check thoes Transistors , the loud pop sound was a sound of something burnt .


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Sep 04, 2009 | Televison & Video

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LG 47LC7DF Green Light Blinks 16 Times - No Picture or Sound


Well dont keep it on!

By running it after it shutdown and it finally did its last pop that added another $XX to the parts bill.

The control boards (2) have now failed There are burned Capacitors ( pop!) and possibly even a few transistors burned out. This is not a DIY it is a Tech job as once changed these boards require additional tuning of the convergence factor.

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1 Answer

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Thats the great sound of Exploding capacitors on either the power supply board. or another one in there. Now the set is in fault protection. It tried to warn you with the RED blinking LED that there was something amiss by shutting itself down. When you unplugged you reset the error and allowed it to do it again.

Best Regards and Smper Fi

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1 Answer

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you lamp is bad. even if it looks good, its not firing (you're seeing the spark gap fire, indicating this). the lamp is customer replacable and roughly $200. the 5 blink error is a general shutdown error

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