Question about LG 50PG20 50 in. Plasma HDTV

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LG plasma just turned off for no reason, try to turn back on , but blue light(on) flashes for 2 seconds, then turns red(standby)

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Try unplug,replug for reset that all could do,same prob.must change tha Main backlight Vivdeo board.

Posted on Nov 17, 2009

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Posted on Jan 02, 2017

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My LG Plasma 60" 60PG60 TV refuse to turn on. Red button light comes on but the blue light flashes and turns off. No picture, no sound. Please Help.


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 section 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.
http://electro-medical.blogspot.com/
If blinks continue without any pause, the main board is faulty.

Jun 25, 2016 | LG 60PG60 60 in. Plasma HDTV

1 Answer

42" plasma worked fine this


Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps

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LG MZ42PX14 plasma tv ... ( will n ot swich on)


It sounds like it is trying to start but detects a problem. I would start with the zsus PCB and power supply. These 2 are common problems for LG. It will take some hands on troubleshooting to get this one nailed.Thanks

Oct 26, 2009 | Televison & Video

1 Answer

LG PLASMA 42 INCH WONT TURN ON!


Sure, you will need to replace the power supply circuit board asap. this will fix your issue.

Jun 03, 2009 | Mitsubishi WS-65513 65" Rear Projection...

1 Answer

TV turns on for a split second then back to standyby


i think your capacitor is blown, do a google search for insignia, lcd, capacitor...
you can buy another one for about $2 but its a pain to install, you can also instead buy a new powerboard for about $80, its an east install and you wont blow more capacitors
bestbuy.partssearch.com

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