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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
tv problem

 
 


vista1992
New User

Oct 1, 2013, 7:01 AM

Post #1 of 10 (1037 views)
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tv problem Can't Post
I just got a TV with a bulged capacitor on the power supply so i soldered a new one in with the same voltage and capacity except smaller. now i hear a high pitched noise and everything works except that. It worked before, I just didn't want a bulged capacitor in the TV in case it'd cause more damage. What'd I do wrong?



jts1957
Veteran


Oct 1, 2013, 8:38 AM

Post #2 of 10 (1034 views)
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Re: [vista1992] tv problem [In reply to] Can't Post
Smaller? Physical dimensions? Temperature rating?

Did you put new cap in paying attention to polarity?
Did you move anything that was 'glued' down?
Did you perhaps drop the board and maybe crack a transformers core for example?


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Location: Far, Far Away


cobrarsc
New User

Oct 1, 2013, 12:09 PM

Post #3 of 10 (1026 views)
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Re: [vista1992] tv problem [In reply to] Can't Post
if its not broke why fix it put the old cap back in see if that gets rid of the noise if not then you may have damaged something post a pic of what you have done


vista1992
New User

Oct 1, 2013, 3:42 PM

Post #4 of 10 (1019 views)
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Re: [jts1957] tv problem [In reply to] Can't Post
yep smaller, i cant find physical dimensions, 105 c, i put the cap in with the polarity facing the same way, I didn't touch anything that was glued down and I never dropped it. I replaced the cap because I didn't want it to blow and cause irreparable damage or more expensive damage an since i put it in, i did notice a speedier stat up.


cobrarsc
New User

Oct 1, 2013, 6:44 PM

Post #5 of 10 (1012 views)
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Re: [vista1992] tv problem [In reply to] Can't Post
 was the uf the same


vista1992
New User

Oct 1, 2013, 6:47 PM

Post #6 of 10 (1010 views)
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Re: [cobrarsc] tv problem [In reply to] Can't Post
yep it had the same specs just in a smaller size, what would make the high pitched whining


cobrarsc
New User

Oct 1, 2013, 6:52 PM

Post #7 of 10 (1009 views)
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Re: [vista1992] tv problem [In reply to] Can't Post
can we get a pic of the old cap and a pic of the board and part replaced


cobrarsc
New User

Oct 1, 2013, 7:00 PM

Post #8 of 10 (1008 views)
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Re: [cobrarsc] tv problem [In reply to] Can't Post
was it a new cap or used try another one realy think you should put the original one back in to see if the problem is still present


vista1992
New User

Oct 1, 2013, 7:05 PM

Post #9 of 10 (1006 views)
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Re: [cobrarsc] tv problem [In reply to] Can't Post
ok ill try another new capacitor and then ill try putting the old one in


vista1992
New User

Oct 2, 2013, 9:53 PM

Post #10 of 10 (992 views)
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Re: [cobrarsc] tv problem [In reply to] Can't Post
well this doesnt make sence, i put another one in and it was still doing it, i put the old one in and it stopped. I guess i buy cheap, i get cheap, it was 3 bucks for 20 on ebay. How can one capacitor cuase all this annoyance

 
 
 


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