Question about Westinghouse W4207 42 in. HD-Ready LCD TV

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Hello. I am looking a power supply for my w4207.

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Here is a cheaper solution on ebay

Posted on Nov 07, 2009

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Hi, hard set to get parts for, try I`ve had luck finding some from them, good luck, video-tek

Posted on Jul 03, 2009


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1 Answer

Remove stand from w4207 TV

Put tv on bed face down and look at the stand and locate and remove any and all screws holding stand to the flat screen set. Then after mounting the wall plate per instructions mount the tv to wall mounting.

Sep 08, 2015 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

Dvd minami power supply repair fuse blow

Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. Do a search by type in the brand name of your device at its search box.
It will be best to replace the power supply regulator board as card basis.

Jun 03, 2014 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

My 42" LCD tv no longer has as bright a picture and the volume and all the other controls do not work. Any ideas?

The main power regulator board should be checked. Check all the supply voltages out from it. It will be best to contact any service technician.

Sep 29, 2013 | Westinghouse W4207 42 in. HD-Ready LCD TV

2 Answers

Have a 42" Tv that won't power up. Power to

The electrolytic caps need change out on the power supply or you can purchase a new remote at

Sep 14, 2011 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

Hi my tv w4207 its on but no video when i turn it on the screen just blinking end then its black again. does any body know what it coud be

It is either dying backlight inverter board or the power supply, but check the power supply 24vdc output first, it can also be bad Backlight ON signal from the logic board.
If you are going to DIY and have proper tools and know safety precaution then please read on:

Please see my basic troubleshooting guide here:


Jul 07, 2010 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

Power only works when it wants too

4 year old is about the right time for the power supply to fail. That will be the first place to look. Look for bad caps, over heated parts, etc.
See my basic troubleshooting guide and learn about bad caps, failed TV/MONITOR.
Parts: try or Ebay

Jun 16, 2010 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

TV is making a buzzing noise coming from the back interior. We tried checking the cables and testing speakers, neither of which are the problem. Any thoughts?

This noise is coming from the Lamp ballast. The back light of your TV (to make your LCD picture light up) is a Florecent Light Array. It is powered by a lamp ballast. You can have a shop change this power supply out for you.
Good luck!

Jan 06, 2010 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

Goes blank after a while only here the volume

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. Look for 5vdc, 12vdc, and 24dvc.
Please post back what you find.

Dec 25, 2009 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

My w4207 worked the other day, now it won't turn on. Not with the remote or the manual switch. Any history or help you can offer?

Unplug your tv from the wall for at least 20 minutes,plug power back in if problem is still present you may have a failed power supply inside the tv.
Could be as simple as a blown fuse on the power supply circuit or bad power transformer or other.

Nov 21, 2009 | Westinghouse W4207 42 in. HD-Ready LCD TV

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