Question about Westinghouse 22" Widescreen LCD Flat Panel Monitor

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What brand of lcd panel is used in westinhouse monitors

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It can be any brand they can get the lowest contract price to buy, most cheaply made LCD monitor use Chei Mai. You need to look inside because the same model can have completely different boards and LCD panel inside.

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Posted on May 12, 2010

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Posted on Jan 02, 2017

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Backlight


Broken LCD monitors basically come in three categories:
1) Cracked LCD panel, rendering the unit completely worthless
2) Backlight problem
3) Power supply problem

If it's a backlight or power supply problem, it can be fixed.
Usually, the problem stems from the high voltage inverter circuitry, either bad power transistors, capacitors, or thermal stress on the circuit board leading to broken solder joints.
But fixing these problems can often be a short term solution. The bulbs themselves have a limited lifespan, and the high voltage power supplies are prone to failure.
The panels themselves almost always outlive the backlights and high voltage power supplies.
The 17" Dell LCD monitor I found was no exception. When I first plugged it in, it would cycle power on and off continuously, with a notable burning smell. Further inspection revealed a fried power transistor. When i replaced it, the monitor stayed on, but the backlight would flicker on and off, then finally shut off after a few seconds..
The panel was good, but trying to fix the backlight with the proper parts wasn't really worth it.

But maybe I could still save it, or even make it better. After all, it's just a light. Lights should be user-replaceable things anyway.
I mean, a Lite-Brite was the cheapest toy, yet you could at least change the bulb.
So here's the result of my experiment, with help from an old CRT monitor:
Step 1: Go to trash, locate a CRT monitorfeuoxynfkof7iwm.large.jpgTake a CRT monitor, remove the guts and dispose, keeping just the shell and monitor stand.

Install a light bulb socket about 1/2 way back. I used switching socket from an old lamp.
(for the bulb, I used a 60w-equivalent "daylight"/6500k CFL bulb. It has a blueish glow to it. )Step 2: Cutout back of LCD monitorf4mg1hnfkof7ixd.large.jpgf4mg1hnfkof7ixd.large.jpgpixel.pngf4mg1hnfkof7ixd.medium.jpgFor the LCD monitor, cutout the back and remove the metal shields/ PCB's behind the panel, allowing light to pass through it.
(This step varies a lot from brand to brand. Some brands will have ribbon connections on both the X and Y plane, while some just on the X plane. Fortunately, for my Dell monitor (which was actually a BenQ monitor), the ribbon connector was only on the X axis, so lifting it out of the way to allow light to pass through was easy, without requiring any extra wiring. )

For the panel light filters, there should be some diffusing paper/plastic behind the LCD, 3 sheets (one clear, one reflective, one translucent white), and then a large Plexiglass-like filter. I removed the Plexiglass and everything behind it, only keeping the 3 thin paper-like sheets behind the LCD. Shining a light behind the LCD resulted in an even white glowStep 3: Mounting the LCDfe393blfkof7ixx.large.jpg4) Relocate the boards from the LCD panel to the CRT shell, mount LCD panel, and connect everything up. For mounting everything I drilled holes and used zip ties.Step 4: Resultsf8h4e6rfohxaofc.large.jpgSee my project page for more pictures.
http://www.ccs.neu.edu/home/bchafy/monitor/crtlcd.html

Conclusion

This LCD was saved from the trash.
And now if the light ever goes out, it's easy to change. Also, as a bonus, the monitor vents glow, partly illuminating the desk and keyboard at night. Shouldn't all monitors be made this way?
:-)

Notes

LCD Monitor is a Dell E172FP.

When the monitor is off and the light is on, the display is more transparent than black, sort of a light/mid gray.

There is some minor hot-spotting, but not very serious. Given the type of cheap hack this is, it is more than acceptable.

Obviously, the monitor is more bulky than it used to be, but very light. Almost half the weight of LCD monitor as it was before.
Bathroom scale says it weighs 7lbs. (original LCD weight was 13.25lbs)
Gettting rid of the LCD's metal frame, stand, and heavy plexiglass light filter was the major contributor to the weight reduction.
The CRT's shell and base are just plastic (with some springs).

The LCD frame was smaller than the CRT's. I just cut out some cardboard to fill in the gaps to block out the light for now. I know, it looks ugly. Later, I'll make a better looking frame.

Mar 29, 2013 | Computers & Internet

1 Answer

Panel lcd broken samsung ls 26tddsuv/en


I recommend you buy a new monitor, since just fixing the panel would be more costly then buying a brand new monitor. Check out www.newegg.com or www.tigerdirect.com for some good deals on new monitors.

Jan 15, 2012 | Samsung Computers & Internet

1 Answer

I picked up a used westinghouse monitor, LCM-19v5, and it works fine as a plug and play. I was wondering if there might be a driver for it to download that might make it even more crisp and sharp.


This monitor only uses plug and play drivers and unfortunately there does not appear to be much support for them on Westinhouse's support site.

Jul 10, 2011 | Westinghouse LCM-19v5 Monitor

1 Answer

I have a westinhouse LTV-32W1 the screen goes


It is caused by a failing transistor that after it reaches critical heat it caused the fail safe circuit to be invoked. TV shuts down, component cools off and starts it ascending to critical all over again. The longer you leave this problem the more costly to repair as it will eventuall spread to the other components overheating and possible fire.

Take it in for repairs now before it gets worse.

Please rate my help++++Thanks for using FIXYA

May 12, 2010 | Westinghouse LTV-32w1 32 in. HD-Ready LCD...

1 Answer

Wont turn on


What is the model #? Normally if the unit does not turn on or do anything when you press the power button you will need to replace your power board. You can find price and availability on with the Westinhouse parts department at parts@wde.com.

Jan 18, 2010 | Westinghouse LTV-32w1 32 in. HD-Ready LCD...

2 Answers

Audio Problem


Probably on the main board, most people use an external source for sound, tv does have a problem

May 31, 2006 | Westinghouse LTV-32w1 32 in. HD-Ready LCD...

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