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I need to order this y suss card for my lg tv but can't find it. Also need sus a card no. 6871 qdh 085a and sus b card no. 6871 qdh 084a.

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You can try websites to buy and replacement your Y sustain board.
Thanks and care...

Posted on Sep 02, 2010


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I have a LG plasma TV. Had no picture. Changed Y Sus board no help. Changed Logic controller and got picture.

try change z-sus board or change back old y-sus if have same picture it is 99% is z-sus if dont y-sus the new one is also bad faulty

Mar 03, 2017 | LG Televison & Video

1 Answer

TV does not boot up LG 50PC1DA

I have LG 50pc1dra i press to turn on green light come on 1sec and the red light gos on nopictur or sound?

Feb 09, 2010 | LG 50PC1DRA 50 in. Plasma Television

1 Answer

LG Plasma 42pc3d turns on, pops, then turns off

The first thing you should look into is the Z-SUS board, the one situated on the right side viewed from the rear. This board develops a high voltage during operation that might be the source of the popping sound. It is also responsible in refreshing the panel for proper picture display. The weird colors on your TV indicates a faulty Z-SUS board.
Note: Unplug the TV and wait for at least five minutes in order to allow the voltages to drain before you disconnect or reconnect any connector.

  • Disconnect the Z-SUS board from the Y-SUS board. The Z-SUS board is situated on the right side viewed from the rear of the TV while the Y-SUS is on the left.
  • Plug the TV back and turn it on.
  • You will still be able to see the weird colors the moment the TV shut off but do not flash. If it does not pop and stays on and there's a sound, you are pretty sure the Z-SUS board is faulty. Replace it.
  • If it still pops and shuts off, disconnect the Y-SUS board from the power supply. The Y-SUS board also develops a high voltage during operation. The power supply is the one right between the Z and Y-SUS boards.
  • Re-apply AC power then turn the TV on.
  • You'll not be able to see any color or video. If it does not pop and stays on with sound, you have a faulty Y-SUS board, replace it.
  • If it still pops and shuts off, please let me know.
Feel free to update me of the result and your own findings.

Dec 03, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

LG HDTV...Have sound, but no picture!

I do not think you need a Y-Sus, you need a Control PCB.


The Y-Sustain part number you have given does not match the one in your TV, close, but nope.

6871QYH030C is the Y-Sustain number.

Your set needs a control PCB. It is a common Fault.

If you are in the USA, eBay,

If you're in the UK, then, charles Hyde, SEME Nedis.

Not cheap though.

Sep 05, 2009 | LG DU-42PY10 42 in. Plasma HDTV

1 Answer

I have a LG 42 inch plasma tv. Model number RU 42PX11. Suddenly the screen is not showing any sound or picture. No idea why? Cable is working (confirmed on another tv)

Hello, My name is Dave, Are you willing or able to remove the back cover from the TV? If so do you know how to use a DMM (digital multimeter) or at least know some one that dose? My reason for all the questions is in order to figure out what PCB board is bad you need to at least test the fuses on all the main PCB boards (Y sus, Z sus and Main power supply). To do this you will need to have a DMM that can test for continuity. Please feel free to give me a call or message me if you have any questions or if you would like some additional help! Ask for Dave @ 1-503-432-9904 /

Jan 20, 2009 | LG 42PX5D 42 in. Plasma HDTV

2 Answers

Sony FWD-42PV1 Board Y-SUS 6871 QYH O50C

Hi there I got a YSUS ZSUS Control board kit off ebay. It is supposed to fix the problem. $35 from ebay and $230 from Sony. Lets hope it works

Apr 01, 2008 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

2 Answers

Lg 50px4d pdp tv

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

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

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