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No power light and won't switch on - LG 50 PQ 3000

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Model PQ 50 PQ 30 plasma. Why does picture come on and will cut off and go completely blank after approximately a minute and a half?

Fault to the main power supply regulator section. 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. Surf the site with patience. Pull up older posts.
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.

Oct 28, 2015 | LG Televison & Video

2 Answers

On at the mains cant switch on the tele

Are there any lights on anywhere on the tele? Also what make and model is it ?

Feb 20, 2015 | LG 42LC2D 42 in. LCD HDTV

1 Answer

How do u check to see if a ingnition switch is bad ?

Get yourself a continuity test light, with alligator clip on one wire and a probe on the other end. Hook the clip to a ground, turn the switch on, touch the probe to the connection and the light should come on. If not, cold be just a fuse.

Aug 31, 2014 | Honda EU3000iSAN EU 3000 Watt Generator w/...

1 Answer

Won't power on

Sounds like a Zenith or LG TV. It is most probably the Y board, when you hear the clicking sound is usually that. I am sharing this with you because it happened to me with a Zenith (POS). The red light (on my TV) is in the bottom right corner. In my case it was the Y Board. Best of luck

May 14, 2017 | LG 50PA4500 50" 4500 Series Plasma HDTV

1 Answer

I have a kymco agility 50 and it won't start. It has no power what so ever, the starter won't turn over and the break light won't light when I pull the break. I checked the kill switch.

Check with a multi tester for voltage coming through the ignition switch lead wires + to switch wire - to ground you shoul get 12volt or higher, with the switch off you should have one live (feed from battery ), on you should have 2 or 3 in and out feed (possibly 2 out one for ignition one for light curuit), or disconnect the switch and check for continuity (12v battery wire and a bulb if you dont have a multi tester between each pin on the switch plug when turned on you should get a curcuit when on.

Jan 27, 2012 | 2006 Kymco Agility 50

2 Answers

My lg plasma tv popped and now won't come on

Lisa, not 100% on the part you need to fix. But, try these guys out.....

Oct 06, 2011 | LG 50PG20 50 in. Plasma HDTV

1 Answer

My LG TV won't turn on and my red light does not light up. How can I fix it?

I would maybe suggest the Main Unit. I have included a link to a company named, I have used them in the past with great success. Hope that helps!!

Sep 01, 2011 | LG 50PQ30 50 in. Plasma HDTV

1 Answer

LG 50 PS 3000 tv will not turn on. Flashes a picture then turns itself off

Since your TV comes on and shuts off, the possiblity of the main power developing a fault on switch on to shut off as the error amp is asking it to do so.. Please check for any failure of capacitors in the HT section. use a multimeter and test voltage on switch on. make a note and test after it switches off. you will slowly arrive at the point of trouble. look for dry solder joints. use a good iron to carefully solder all joints suspected to look mushy. check the connectors of the HT drives to the panel. there could be fault in the connection resulting in slow build up and causing the error amp to react to shut off. Hope my advice helps. Good day

Jul 12, 2010 | LG Televison & Video

1 Answer

LG 50 plasma

yes that was from that cut power you should go now to the authorized service to fix that problem

Dec 10, 2008 | LG 50PX5D 50 in. Plasma HDTV

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