How To Find Shorted Components In LCD TV
By Jestine Yong on January 5, 2012
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beh
January 6, 2012 at 12:11 pm
HI MR YONG
ok this a good method for trubleshoothing . but he did not said he has found the problem? is he?
beh
admin
January 7, 2012 at 11:00 am
HI Beh,
Yes he did mention it and it was a shorted MosFET.
Jestine
beh
January 7, 2012 at 12:05 pm
HI MR YONG
what would be the resistance value of that big resistor? he used
to decrease the amount of flow of electrons to the circuit board
to prevent the components of electrons shock?
beh
beh
January 7, 2012 at 4:28 pm
HI MR YONG
can i use external 12 v power supply instead of battery?
beh
admin
January 8, 2012 at 6:06 pm
HI BEH,
Yes you can use external power supply.
Jestine
admin
January 8, 2012 at 6:44 pm
Hi Beh,
In the video the annotation mention was 12 ohm.
Jestine
beh
January 9, 2012 at 5:07 pm
HI MR YONG
are all the short components getting hot in the circuite ?
thanx
beh
admin
January 9, 2012 at 8:04 pm
HI Beh,
Only the one that have problem will become hot.
Jestine
beh
January 9, 2012 at 10:29 pm
HI MR YONG
i must said the shorted component are getting hot. i think your answer would be yes.
beh
David Saidi
January 11, 2012 at 5:27 am
Thank you for repairing tip. I would like to know more on power switch mode on colour Tv/power supply unity their type s & the chopper transformer how it work and made (wire )winding.
admin
January 12, 2012 at 8:10 pm
HI David,
Try this link:
http://www.repairfaq.org/samnew/tvfaq.htm
Jestine
beh
January 15, 2012 at 11:15 pm
HI JESTINE
He soldered the wire to the positive side of fuse? and why?
thanks
beh
admin
January 17, 2012 at 7:44 pm
Hi Beh,
He solder only one wire instead of the whole wires and he solder it to act as a fuse. Infact he soldered it at the other side of the fuse and not the incoming voltage side.
Jestine
beh
January 18, 2012 at 12:21 pm
HI MR YONG
is he hooked the negative side of 12 volt battery to the ground of the circuite?
beh
admin
January 19, 2012 at 7:23 am
HI Beh,
Yes.
Jestine
beh
January 19, 2012 at 11:10 am
HI JESTIN
thanks
beh