Re: Rca RLED4010A power supply

hi i have the same tv have had a problem with it for a while it was working good but sometimes i had to unplug it a few times to get the picture back other than that it worked fine untill it stopped working all together i still get the solid blue power light but no picture or sound i am getting getting good readings from the 3 connectors on the main board (megmeet mp118t rev:1.2) the LED backlights driver board just above the power supply board everything seems to be for the on/off i get reading of 49.6 for the adj i get 7-10v I dont have access to...

Re: Lg 47LH40-UA

i was using a couple main one was the screw hole on the main board marked pg105 if thats not it where is the best gnd point should i use

Re: Lg 47LH40-UA

Not sure where to go from here but now my tv won't power up at all I'm getting 120 + v through out the board

Re: Lg 47LH40-UA



Yes I did replace the 2 blue caps the one was burnt that was the first thing I replaced I will check the pic voltage tomorrow...

Re: Lg 47LH40-UA

pics...

Re: Lg 47LH40-UA

Ok I re tested the PFC INDUCTOR I'm getting 170dc v in standby when I power the tv on it goes down to 111 dc v also the 2 black temperature thermistor (Dsc 2.5d-15) are getting realy hot there is a faint buzzing sound when the power goes on I think it is from the PFC INDUCTOR

Re: Lg 47LH40-UA

here is a pic of my board same as the others but rev 1.4 anyway my issue is i am getting 64.0 v from the yellow box and the 2 black disc caps get hot i was going to chance those as well but wanted to wait to order more parts so im just wanting to know if anyone has had issues with the box or not and where can i find one from...

Re: Lg 47LH40-UA

hi everyone i had the same problem as this but i have a lg 47LF11 i changed the 2 caps i now get a full picture and sound but the screen flashes about 3 times then the tv will shutoff has anyone had this issue before