Re: LG 50pk950 psu issue



Should replacing these solve the issue??...

Re: LG 50pk950 psu issue




r103; 215k
r104; 225k
r105; 145k
r106; 146k
r107; 99.8k
r108; 590k
r109; 530k
r110; 590k
r112; 551k
r112; 455k

Obviously some of these are looking a little low, likely to be causing an issue?...

Re: LG 50pk950 psu issue



None of them are dead, what are the values supposed to be?...

Re: LG 50pk950 psu issue

I wish I could put up photos, but since i slammed my phone in a car door unfortunately I'm cameraless!

But the board is this one


Freezing ic701 didn't change a thing :/ still the usual. Initial power up gets to no signal, then switches off and click click click...usually haveto wait atleast a day before it'll get as far as no signal again. Totally perplexed....

Re: LG 50PK550 Intermittant Clicking (works sometimes)

Do you happen to know what the values are off the top of your head? I cant read them..

Hey guys first subject thread for me here so please bear with me! I'm not super familiar with electronics, but I'm learning so here goes!

I picked up an lG 50pk950 last week, pretty cheap not working thinking it would be a good project to undertake, I've read around the net trying to isolate the problem and I believe its the psu.

If I turn it on after being unplugged for a while it'll power up but at most 20 seconds but then it clicks off and only click the relays when trying to turn on. Same 3 clicks when everything is disconnected except the ac to psu. I Have checked...

Re: LG 50PK550 Intermittant Clicking (works sometimes)

Hi I have a similar problem with my set, trying to diagnose before I order more parts!

If I turn it on after being unplugged for a while it'll power up for at most 20 seconds, sometime enough to see the no signal text on screen, but then it clicks off and only click the relays when trying to turn on. Same 3 clicks when everything is disconnected except the ac to psu.I Have checked the 3 10 ohm ceramic resistors and theyre fine, D304 is fine off board, f302 is fine. Does ic301 always take out d304 and f302 when it...

Re: New Members - please post your introductions here

Hi

From NewZealand I'm a guy, 26, I build jetboats, motorbikes and other big boys toys

Recently I decided that paying people for things I can learn how to do myself is foolish, SO im learning all I can whenever I can and this seems to be the place to be for electronic gizmos and knowhow. So HELLO!