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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
1984 14" sharp md#14j15c blows fuse

 
 


ohms
New User

Oct 25, 2004, 6:16 AM

Post #1 of 6 (1597 views)
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1984 14" sharp md#14j15c blows fuse Can't Post
every time i turn on this tv it blows the fuse .removed posistor and still blows fuse HOT is okay removed fly back and fuse doesn,t blow.was told flyback is probably bad and they no longer make that flyback.is there a replacement flyback (main component suppliers can,t crossreference it in london ont) so is the problem the flyback and is this tv worth fixing if a flyback is available.i am only charging the person for parts (personal favor)if it can be repaired. or is it time for another tv.i offered him a used 19" for 45.00 but he says size is an issue for where he wants to place it.



mel
Veteran

Oct 25, 2004, 10:35 PM

Post #2 of 6 (1588 views)
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Re: [ohms] 1984 14" sharp md#14j15c blows fuse [In reply to] Can't Post
You might try www.dalbani.com. They have a limited selection of Sharp flybacks listed in their catalog but I suspect that with a set that old, you have got a problem finding one. Good Luck


ohms
New User

Nov 22, 2004, 10:51 PM

Post #3 of 6 (1560 views)
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Re: [mel] 1984 14" sharp md#14j15c blows fuse [In reply to] Can't Post
Hi!I did some more testing and found the SCR and it was shorted.replaced it put in new fuse .this time when i turned it on the fuse blew again and the HOT went this time.do you still think it,s the flyback?could the voltage regulator have anything to do with this problem?can,t check for voltages cause there is no power. not sure how to check it for any shorts.any ideas! Thanks!


(This post was edited by ohms on Nov 22, 2004, 11:06 PM)


mel
Veteran

Nov 23, 2004, 4:31 PM

Post #4 of 6 (1551 views)
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Re: [ohms] 1984 14" sharp md#14j15c blows fuse [In reply to] Can't Post
It is probably the flyback. You have already spent more time and money than a set this size and age is worth.


ohms
New User

Nov 23, 2004, 10:12 PM

Post #5 of 6 (1542 views)
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Re: [mel] 1984 14" sharp md#14j15c blows fuse [In reply to] Can't Post
Okay,Thanks Mel.i,ll break the news gently to the owner and talk him in to buying that 19" for 45.00.maybe i can keep the sharp for parts.Thanks Again! ohms


jeffsmith
New User

Dec 3, 2004, 1:52 PM

Post #6 of 6 (1517 views)
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Re: [ohms] 1984 14" sharp md#14j15c blows fuse [In reply to] Can't Post
most of sharp tv faced fuse blow,there are note about service the sharp tv from SAM web site your should search.they teach how to used 60watt,bulb to replace the fuse.but not sure success or not.normally fuse blow cause by FBT burns and it also burns the scr ( STRxxxx)power regulator.need to replace both.you should try HR DIEMEN maybe they have spare.

 
 
 


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