I HAVE A LG 50PX4D PDP TV THAT I HAVE HAD FOR 18 MONTHES THEN LAST NIGHT HEARD THIS BANG WHILE WATCHING IT AND THE PICTURE DARKENED AND BECAME DISTORTED.CAN ANYONE TELL ME WHAT HAS HAPPENED AND IF YOU KNOW IF ITS WORTH REPAIRING OR SHOULD I BUY A NEW TV.THE WARRANTY HAS EXPIRED.
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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
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Most likely the tv has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board. I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If its under warranty, go that route. If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.
Hi there, Im Kanth, i had the same problem, and i found a person in Mississauga, they fix all kind of problems in Plasma, they fixed my LG before a 7 months, its still running good, i came to know lots of ppls were having same problems, i sujest u to being the plasma to electronics @ Dixie and Britannia Mississauga, call them now 905 565 6595 or check there wesite for more info. http://dukeelectronic.com
I have one here next to me when I pushed power the green LED started blinking until it brought up the picture 1 blink per second about 8 blinks. i am on the tuner input it may vary on different inputs also if it blinking like 1 blink pause 4 blinks or some pattern like that that is tech diagnostic error codes. if the tv is working you should be able to get a menu or on screen display even without an input attached. Also I only heard 1 relay click in the back
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
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HOPE IT HELPS