Question about Televison & Video
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?
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.
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
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
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
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
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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