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LG 50PG20 50 in. Plasma HDTV - Page 6 Questions & Answers
Lg tv buzzez
If you hear the buzz with sound at zero it is likely a transformer on the power board causing this---seen a lot of sets brand new with this issue and replacement of power board usually cures it-----A transformer can vibrate hard enough to make a sound like this--we in our shop usually with set open power it up and locate the area by listening or using a scope with a microphone to pinpoint where it is coming from.
Lg plasma flashing power
Sounds like its either the main board or t-con board or even possibly the inverter, however i do not think it is the power supply do to the fact that it does get power. Youtube the tv and model number and see if you can find videos that show same issue. That should help find an answer.
Power button flashs on then off wont turn on
Tries tv unplug,replug the tv back like about an hour later for the tv to do a resetting itself back to the factory setting.The tv now should be working again.If not tv still have the same problems,mean ur tv have a power supply board is the causes and the problems.That the board where the tv power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for a replacement.
How do you use the simplink feature on the remote?
Hello,
Simplink was a technology developed bu LG Electronics to control multiple supported devices through HDMI connection with a use of only one synchronized remote controller to avoid confusion and hassle with other remotes. You can check the guide on the manual for supported list of gadgets and devices and instructions.
My lg-50PG20 powers up and has sound but no
Study the screen at several different angles; you should be able to see some ghostly images if the video chain is OK.
If you can see this, either the backlight supply or fluorescent light source has failed.
When the unit is turned
The problem of your tv is the thermal intermittent problem, this usually caused by loosed or cold solder on the solder part of the of the pcb. If you remove the back cover of your tv, try to look or observe the solder joints of the connector or use a magnifying glass to distinguish the cold solder. To solve this problem you should have a soldering iron, lead and soldering pump, when doing some soldering you should be careful you may accidentally solder separated pins or joints that can cause much damage to your unit. Or you can try first to unplug and plug in the connectors in the main power supply. Or you can contact a service technician to do it for you and save you from stress, NOTE be sure to unplug the unit when opening the back cover. Good day and best regards.
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