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NO PICTURE OR SOUND

I HAVE A 32" LG MODEL 32LB9D AND HAVE NO PICTURE OR SOUND

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My screen went out

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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LG 32LB9D


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Search the site by type in the number of the SMPS board. The schematic of the power board might be there; and will help you more.

Apr 21, 2017 | LG 32LB9D TV

1 Answer

I have an LG 32LB9D TV and had been having p[roblems with it getting channel 73 (7mate) and 90 (GEM). I could get a good picture on both but no sound. Now all of the sudden it won't scan for channels, it...


Hello, My sister had the same problem, contacted LG, they wanted, the serial number, model number, and sent a usb with up-dated software, she plugged it in at the side of the tv, and it worked.Please contact them yourself, sure you will, get the help you need. Regards, Joni

Oct 30, 2010 | LG 32LB9D TV

1 Answer

Sound no picture


backlight invertor board/does it flash when powered on

Apr 20, 2010 | LG 32LB9D TV

1 Answer

I have sound but no video on my LG LCD TV 32lb9d and tv has a blue screen. Can someone please tell me what part i need to replace?


Replaced the LCD inverter board.Will get the picture back.The board usally a long board.Tries Shopjimmy.com,Ebay.com to buy the board part.

Feb 16, 2010 | LG 32LB9D TV

2 Answers

Screen is black even though the green light is lit


Tv has power supply board inside defective. This board needs replaced.

Aug 18, 2009 | LG 32LB9D TV

3 Answers

LG TV 32LB9D VOLUME STUCK AT 100, NO RESPONSE TO REMOTES


The fault may be on the control board. Sometimes the button switches can be stuck, or there may be something causing some conduction on the control circuit board. It is also possible to have a component failure that is causing a continuous command to keep the volume to the high position.

Something that causes failures of controls in TV sets is when people clean the screen, they spray liquid cleaner on the screen. Some of it drips down in to the controls and on to the circuit board. This will usually cause damage, and thus the set will require shop service.

Jerry G.


Apr 10, 2009 | LG 32LB9D TV

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