20 Most Recent Dell W4201C 42 in. Plasma HDTV - Page 6 Questions & Answers

Do not dump it, it is great TV!
Y SUS and Buffers are usual culprit.
You can get it from guy at
[email protected]
He has everything for Dell TVs

Y SUS and Buffers are usual culprit.
You can get it from guy at
[email protected]
He has everything for Dell TVs!!

Y SUS and Buffers are usual culprit.
You can get it from guy at
[email protected]
He has everything for Dell TVs

Y SUS and Buffers are usual culprit.
You can get it from guy at
[email protected]
He has everything for Dell TVs!!!

Y SUS and Buffers are usual culprit.
You can get it from guy at
[email protected]
He has everything for Dell TVs

PS Module bad. Ask for it at
[email protected]
Guy has everything for Dell TVs

fot the most part, you have solved your problem (pow bd), The main bd may also need to be replaced as well. The is a signal upon powering up the system. the pow bd communicates with the signal board. The signal bd, also is responsible for ALL of your additional I/O lines. Between the two of these, + a firmware update, i think the tv will be just fine.

It should be easy enough for a Novice to fix.
Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Hi,

a few things, on checking the ground, are you sure you have a good connection (try scratching or pushing harder with your probe tips) to ensure that is 0v they should all be reference gnd which is 0v

did you know that there are two (2) power supplies? This set has a power and sub power supply, did you check both?

I tried to look at your posted pic, but that site blocked your image (no hotlinks allowed)

Hi

please check the regulated power supply if the regulator is oscillated the requirements is 90 to 100 or 115 this is the right voltages.. and please give me the parts no. of U501... and sir i have question? are you a electronics technician? because im using using electronics term to help you!

Thanks!

its the ss logic board. It is located behind the main board assembly. Its purpose is to send the signal to the mainboard for video clarity. The mainboard is OK, it the board below it. there is a numeric stamp on the board. Locate that number and google it or get back to me I may be able to further assist you.

I would guess a cable connected to the LCD panel of the TV.

Left Side and Right side of the picture each has a Flat Cable that supplies voltage for that half of the picture.

I would guess that one of the cables is bad or loose.

It is also possible the LCD Panel has some defective part.

I would contact Dell requesting Warranty Repair. If out of Warranty, you can open TV and try reconnecting the wires to the LCD Panel. Specifically, LVDS cable to the Control PWB and the Flat wires from the Control PWB.

CONTROL PWB: This PWB is usally mounted to the upper middle portion of the LCD panel beneath a metal shield. This PWB Provides the signal for the LCD Panel picture.

the pixel gneration circuit has failed, this is part of the main board and is very expensive to replace, if the TV is more than 4 years old I would replace it.

you need to replace the Y Sustain and the Z Sustain boards, there is only one of them bad,but my recommendation is to replace both.
good luck

NTSC

The new Dell 4201C 42" Plasma HDTV delivers spectacular High Definition picture quality with bright, vivid images and superb contrast. The W4201C is multi-media optimized with a wide aspect display providing 1024 vertical lines and 768 horizontal lines of resolution.and in which the optimized multimedia is controlled by logic board.in your tv logic board is bad.because if the main board is bad.this horizontal and vertical line would not been shown.only a thick black line shows up on the screen and nothing else if the main board is faulty. its the faulty of logic board. you can order required pars at  www.partstore.com or at  www.shopjimmy.com thanks.please do rate the solution.thank you for using fixya.keep updated.

turn the tv with the rear cover facing you. power on the tv, look into the grills on the rear cover. If you happen to see 3 green lights together on the mainboard, you have communication signal. Otherwise, its the mainboard. If u get all 3, then its your Y main board and probably a lower or upper buffer, depending on where burn is located on panel board.

If your good a soldering and it is no risk to you try applying solder to it but be careful not to oversolder it to the mainboard. Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

The problem is a $1.09 part. You will need a soldering gun, multimeter, etc.. Or someone else who is electronically inclined.

The fix for it is here:
http://www.instructables.com/id/Dell-W5001C-50quot-plasma-fix/

I have the 46" Dell model with the same problem and this fixed it. Part cost $1.09 plus shipping.
I can't take credit for this persons post so post thanks on fix.

Just note, TV's can hold electricity even after being unplugged. So if you try this keep that in mind. You shouldn't mess with it until an hour or so after you unplug it. Or google "discharging capacitors" to discharge the electricity from the power board. Attempt at your own risk.