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How do I go about getting a power supply for my 42 inch LCD TV P/N 2**********1.

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One might try a local TV repair shop .

Posted on Dec 07, 2016

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Posted on Jan 02, 2017

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SOURCE: We have a Sharp Aquos LCD TV 42 inch. When I

Call Sharp for warrenty repair.This problem very common in Sharp tv.Picture will come on turn power on/off button few times will work.But still under Wareenty call to Sharp to replaced the main Tuner Signal board.

Posted on Jan 15, 2010

Testimonial: "Have tried turning on/off a few times but still doesn't work. thanks anyway"

  • 16 Answers

SOURCE: Tv wont turn on

Replaced two N-Channel Mosfet transistors(FQPF13N50CF-ND) and some faulty electrolytic caps in the power supply. I found the Mosfets online at Digi-Key. Mosfets are difficult to read. Only one read bad but I replaced both because they are in the same circuit. Set works great now.

Posted on Mar 30, 2010

  • 1 Answer

SOURCE: Power Supply Board for SAMSUNG 40" LCD TV Model LA40R81BX

You'll find some Samsung power supply boards here : http://www.usefulparts.com/index.php?main_page=index&manufacturers_id=11&sort=20a&filter_id=98&alpha_filter_id=0
but you have to open your TV first and find out model number

Posted on May 10, 2010

  • 17 Answers

SOURCE: Phillips 42 inch LCD 42PF9730A Redlight flashing

Common short the cover cap over the video & sound boards short out if you remove it the cap only (shield metal) it usually will fix this

Posted on May 13, 2010

mpaint
  • 36 Answers

SOURCE: 42 inch rca lcd tv says unusable signal

This is a very common problem with these models.
The problem is very likely a fuse that has blown, if the following is true:
No Video on any input BUT HDMI and
No Audio at all.
Purchase a fuse, these are freaking tiny from digitalkey.com or mouser.com F1455ct-nd
Pull the back off of your unit
Pull the cover off of the PCB housing. It is the box that contains the hook ups including the cable tuner.
The silver box that you screw the cable to is where you begin to look for this fuse.
About two inches behind this silver box is some numbers printed on the board 7c32 and partially obscured will be 1c33
Using a big magnifier look next to the numbers listed above, you should see a tiny rectangle fuse with an F on it.
This F fuse is a 500ma fuse that is too small for the load
The fuse listed above will have a G on it. It is a 750ma fuse.
Call the repair shops in your area, tell them that you know the problem, have the part and you want to know how much the bench time and labor will be to repair your unit.

Posted on Jul 23, 2010

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1 Answer

I need a power supply board for my 42 inch rca lcd,where do i buy??


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

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1 Answer

What will i do to my damaged 42 inch LCD LG TV it


Check ur power sources?Yes,than tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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TV makes chirping noise.


Power Lite LED indicator on the front panel bazel flashes?Ur power supply board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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What did you try so far? The main power supply MUST have at least the 5V standby supply section working. This 5v is used by the main control board to send out the command to turn on the main power supply section which will power up the rest of the TV circuits when the power switch is activated either by the power button of remote or on the TV powern button. Look for this 5v first.

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It sound like the power supply problem. Replace the power supply will fix it. The power supply is located near the main board.

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