Question about Proscan PS50700 50" Rear Projection Television

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TV made a loud popping sound and quit working

I was watching TV when it made a loud pop and quit working, I unplugged the set and checked the main fuse, all OK. I checked for power at the main board where the cord goes into and along other areas at the red & black wires. I have power, but the unit still won't turn on.I forgot to add it makes a strange noise too, kind of like a CD drive turning/rubbing. I am not familar with TV electronics (cars yes, tv's no), is there any online manuel or diagram showing me the parts layout and location. By reading these fixes here sounds like I may have a HV flyback tranformer problem. Could this be my problem. My Model # is 50700, production date 08/99 I will add my s/n# later. All of this happened right after my power came back on after gettiing knocked out from Gustav! Thanks

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I hv rca ps60682. i was watching it the other night and it started making a loud popping, sizzling sound. i unplugged the unit for several minutes and replugged it. got the same sound. i unplugged it again for several hours and when i replugged it it would not come on at all. need help...fasthead

Posted on Dec 14, 2008

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Bad IHVT ( transformer ) = Part # 239111 use original only, no cheap subs !...............T.

Posted on Oct 02, 2008

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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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Samsung plasma tv made a really loud pop and the screen and sound do not work but the red power light won't come off unless the tv is unplugged what happened?


The main power supply regulator board has the fault. Check if any electrolytic capcitor/s has bursted out. Replace them if any. If this do not help you. repalce the board as card basis.
Replacing it as card basis is fine, rather than making 'surgery' to it.

May 28, 2012 | Televison & Video

1 Answer

Watching TV and all of a sudden a loud pop came from the back of the set. Doesn't turn back on after unplugging.


Hello
Check its power supply regulator board. The pop sound you heard may be due to an explosion to any electrolytic capcitors on it. If the line voltage exceeds, this fault will happen. just repalce the damaged component. It is best to replace this board as card basis.

Mar 19, 2012 | Hitachi 50HDA39 50 in. Plasma HDTV

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I have a LG plasma 42PC1DG, watching tv loud pop then no picture but still have sound, left tv unplugged for a while still no picture?


probably the pop was a fuse blowing inside that only controls the lamp should be an easy fix but open the tv at your own risk

Dec 06, 2010 | LG 42PC1D 42 in. Plasma Television

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TV made a loud crack or pop and the screen went black


Well if it is DLP TV then crack/ pop sound was broken lamp in TV and if its another kind of TV as you did not mention its model and brand then have to check accordingly.

Nov 10, 2009 | Audio Players & Recorders

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My DLP TV made a loud popping sound then went off


first. unplug the set for 5 minutes and see if it will reboot. if it does not the you have 2 problems, the chassis is also bad. next open the lamp door cover, it is behind the speaker grill, and behind the lamp door.
take out the lamp and see if it has broken on the inside if it has it needs to be replaced. mits will send you one i believe it is about 100.00 the number is 915P020010. if the lamp looks ok then the color wheel has probably fallen apart.if this is the case the light engine need to be repaired. check out www.tv-techs.com

Dec 31, 2008 | Mitsubishi WD-52525 52" Rear Projection...

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Projection tv not working


I guess loud sizzling was from High Voltage Splitter in your TV. HV seems cracked and leaking high voltage.

You can observe and confirm it by removing back cover and power up TV from distance and check at rear of TV. Please take care and there should be little dark to observe arc from HV splitter.

If this is the case, HV splitter available in Part Store.

Dec 16, 2008 | Televison & Video

1 Answer

TV made a loud popping sound and quit working


The loud pop you heard was a part just blowing up and becoming non functional. Look for a bad capacitor - they can go out with a bang!

Since the set is dead the issue might very well be in the power supply - start there since those units are very vulnerable to failure.

Mar 12, 2017 | Televison & Video

1 Answer

Whistle noise? POP? Black out


sounds like the lamp has shattered. check the lamp

May 18, 2008 | Samsung HLN5065W 50" Rear Projection...

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