Question about Sharp LC-32SB24U 32 in. LCD TV

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Wont come on

Nothing happens w/ remote or TV power button

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I am assuming that you checked the power cable to the wall and the back of the TV. Most TVs have a three pin CEE22 type connector at the back for the power inlet. Sometimes this can work itself loose and come out a little disconnecting the power. Try wiggling it in until is home. You may have done that already, if that did not help it is more than likely the power supply or a fuse in the power supply is blown. Generally fuse is not accessible without taking the back cover off. Usually it is on the power supply board. Hope this helps.

Posted on May 08, 2014

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Posted on Jan 02, 2017

satavlad
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SOURCE: Sharp tv doesn't turn on

Power supply/ invertor unit needs replacement.

Posted on Oct 23, 2009

SD Tech
  • 14553 Answers

SOURCE: tv trouble i need some troubleshooting help

I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.4_23_2012_7_07_49_pm.jpg

Posted on Apr 23, 2012

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