Question about Samsung HP-R5072 50 in. Plasma HDTV

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Where is zsus board located - Samsung HP-R5072 50 in. Plasma HDTV

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Claude Kayser

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eBayFind great deals on eBay for Samsung 50 Plasma Parts in TV Boards, Parts and ...Samsung 50" PN50C430 LJ92-01728A Plasma Y-Main YSUS Board Unit Motherboard.... Part Number: LJ92-01705C (Partial PBA number (705C) can be found on a ...Samsung HP-R5072 50" Plasma HDTV Main Board BN41-00632A ...

Samsung Buffer Board Test and repair Part 1 - YouTube

? 11:20
https://www.youtube.com/watch?v=5hVi5gd0aec
Oct 5, 2010 - Uploaded by z28r2fast4u
I checked two buffer boards and found 11 out of the 12 ic's bad.... my samsung, I post the video here, do you know how to test YMAIN and ZSUS ? .... Samsung PN50C450 with a bad Plasma Panel Shows how to replace the ...

Posted on Jan 18, 2016

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Trying to figure out if I have a faulty zsus board


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Apr 01, 2014 | Televison & Video

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I have a 50in vizio hdtv20a and the amber light is on in the corner but it will not power up


The number one reason for this is failed YSUS board EAX37106201 . There are two ICs on it and one of them shorts, preventing the TV to power on.

The second most common reason is failed power board EAY32929001. There are several different things that can happen on it, but the first I'd look for if I were you is visually swollen electrolytic capacitors on the board. Look that up on Google and you'll see plenty of pictures of what to expect.

The third reason would be a bad ZSUS board EAX34042701 / EBR37284601 . Same as with the YSUS, only this is less common and, this one can actually be tested really easy by disconnecting the ZSUS from power and trying to power on the TV again. If it does come on (even with blank screen) then it's the ZSUS that is bad.

You can and should do the same with the YSUS, but it will only work if the ZSUS gets power directly from the power board and NOT through the YSUS board. I am not sure how they were on P50HDTV20A in particular, but in those models usually the ZSUS gets power through the YSUS and thus if you disconnect YSUS from power you automatically disconnect ZSUS as well, which is not good for tests as the power board needs load on the Vs line.

Well...hope that helped...don't forget to rate it if it did!

For more check out http://blog.coppelltvrepair.com or email us directly.

Sep 18, 2011 | Televison & Video

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TV is dead. Power light is not illuminated. Checked all plugs and outlets.


It sounds like your power supply has failed. This could be caused by bad capacitors in the power supply itself, or it could be caused by some other circuit board, likely the Y-sustain or Z-sustain board, or both.

This solution assumes you feel comfortable working on the tv yourself - if not, it will need to be fixed by a service technician.

Begin by removing the back cover. You'll need to take out all the screws that have an arrow pointing at them. You'll only need to remove the large cover, not the smaller one where the audio/video connections are located. Put the screws in a plastic sandwich bag so they don't get lost.

The power supply board is in the center top area. Check the tops of all the capacitors. They should all be flat. If any of them are bowed out or deformed then you have a bad power supply board that will need to be replaced, or replace the caps if you're capable. If the caps look ok then check the fuse at the bottom right of the power supply board. Go to the appropriate paragraph below.

1) IF THE FUSE IS GOOD: you likely have a problem with one of the sustain boards. Unplug the connectors on the Y Sustain (Ysus) that sit between the two fuses. Plug in the tv and see if the power supply board comes up. If it does you'll hear a click and see the green light on the front begin flashing. This indicates one or both of the sustain boards has failed.

To determine which board has failed, reconnect the Ysus connector from the power supply and disconnect the connector at the top left of the Zsus board. Try turning on the tv. If the power supply comes up then you have a problem with the Zsus board. If it doesn't come up you have a problem with the Ysus board and/or the Zsus board. The power for the Zsus board is routed through the Ysus board, so if the Ysus board is bad you won't be able to check the Zsus board.

Many blogs recommend replacing both if one is bad because they're both high failure items, and replacing one without the other means you may have to go back and replace the other after a short while.

2) IF THE FUSE IS BAD: You may have a problem with the power supply board. Check the caps for any deformed tops. If so, you'll have to replace the board or the caps, depending on your skill level. After making the replacement, disconnect the power to the Ysus and verify you have a good power supply board.



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Jun 23, 2011 | Zenith Z50P3 50 in. Plasma TV

1 Answer

Have sound. But no picture


The Zsus and Ysus Board are common failures. It is a possibility that the Plasma Panel also is the problem. If you take the back off, (make sure unplug the set first), the board on your left is the Zsus and is marked accordingly. The Ysus is on the right of the Power supply. Look for fuses being open on the Zsus Board and Power Supply using a ohm meter. If they are, I would replace both Zsus and Ysus. They seen to fail together many times. If the fuses are good. I would suspect the Plasma Panel.
I hope this helps,
Skyassoc

Dec 10, 2010 | Hitachi 55HDS69 55 in. Plasma Television

2 Answers

I turn it on and it turns itself right back off


The Zsus and or the Ysus boards are common failures. You can unplug the Zsus board from the power supply and if the power stays on, I would replace both the Zsus and Ysus boards.
I hope this helps,
Skyassoc

Dec 08, 2010 | Hitachi 42HDM12 42 in. Plasma Television

1 Answer

Have sound but no picture


Zsus board can be the problem. check the fuse. zsus board is the one on the right side. if fuse is open replace board.

Jul 06, 2010 | LG RU-42PX11 42 in. EDTV-Ready Plasma...

1 Answer

How to change lamp in toshiba 42hp66?


This TV is a plasma according to the model number you've posted. It does not use a lamp.
If the plasma does not show any picture, there might be a defective Ysus, Zsus or power suppy board.
There is a high failure rate on the Ysus and Zsus boards.
Search for a Ysus and Zsus board on google and you should find them.
Good Luck.

Jul 02, 2009 | Televison & Video

1 Answer

LG 42PC3D ZSUS Board Location


the z sus board is the board thats on the right next to the right speaker looking at it from the back, and you can get it at ebay cheap.

Sep 26, 2008 | LG 42PC3D 42 in. Plasma Television

1 Answer

Toshiba 42Hp66 No picture only sound


to test the zsus board check for a low resistance on the fuse to ground. sadly if the zsus is bad, the ysus and one or both of the driver boards is probably also bad. best to change all at once as a defective one can tacke out the others.

Apr 19, 2008 | Toshiba 42HP66 42 in. LCD Television

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