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Trying to figure out if I have a faulty zsus board

I have a LG 50px4dr. The screen was extremely dim. I was instructed to replace the zsus. I installed the replacement. Now the screen doesn't turn on, relay clicks, standby blinks yellowamber 15 times. I reinstalled the original zsus, which maintained it's original dim symptoms. The new zsus board is bad, right?

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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.

Posted on Apr 01, 2014

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Gateway GWT-P42M303 screen problem

the 15v is shorted to the ysus board and probably one of the two big heat sinks with the number 4921QP1002B is the cause. If you don't repair it can I have it for parts?

Posted on Apr 17, 2008

  • 85 Answers

SOURCE: LG 50PX1D, YSUS and ZSUS board replacement

first thing that you can do is use the Google serch by just typing in lg 50px1d and see if you get any thing close to what you need.

Posted on Jan 06, 2009

  • 12 Answers

SOURCE: 42" LG 42LC2D HDTV Will not turn on

Hi, sounds like a power supply problem, most likely needs capacitors replaced, costs about £5 to do it yourself, and a fortune in the repair shop, easy enough if your handy or know someone who is,its worth a try,it'll be going in the bin anyway, cam

Posted on Jul 14, 2009

  • 1 Answer

SOURCE: 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.

Posted on Jan 11, 2010

  • 3 Answers

SOURCE: lg plasma 42PC3D no picture with sound

I know you already replaced the board, this is for future searchers. If you heard a popping sound, then the picture went out, there is a 32 pin Sanyo module that goes bad on the board. That's probably what caused the fuse to blow. Replace the module, then replace the fuse. The module is less than half the cost of a used board. Since this was a popular model TV, there are lots of replacement boards on the used market.

Posted on Dec 31, 2010

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If this was a sudden failure,it probably is the ZSUS board. If you remove the cover,it is the board to the extreme right looking at it from the rear. You can google the numbers on the board,or use the model number to find a cheap replacement on ebay.........good luck!

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If you can see a faint picture with streaking you most likley have a defective Zsus module Part Number 6871QZH036B Description PWB(PCB) ASSEMBLY,DI List $226.14 Please rate my info

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Dec 05, 2007 | LG 50PX4DR 50 in. Plasma TV

2 Answers

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This is a very common problem with model. This problem is your Z sus Board. NOT your power supply, or Y sus board. There is a pair of Diode that goes bad. Your only solution is to change your Z sus Board. Part Number 6871QZH036B average cost $237.00

Best regards
Circuitcity

Jul 15, 2007 | LG 50PX4DR 50 in. Plasma TV

1 Answer

Lg 50px4d


LG 42" Plasma TV 42PX3DCV Parts - YSUS ZSUS CTRL Part Number (set): 6871VSNB03E Part Numbers (individual): 6871QYH036D, 6871QZH041B, 6871QCH053G Part Number: 6871QYH036D Description: PCB ASSEMBLY, DISPLAY YSUS ASSY 42V7 FOUND THESE ON THIS: http://cgi.ebay.com/LG-42-Plasma-TV-42PX3DCV-Parts-YSUS-ZSUS-CTRL_W0QQitemZ110086231102QQihZ001QQcategoryZ116199QQcmdZViewItem HOPE IT HELPS

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