Re: LG 42in LG 42LM3700 Not powering on
ok well i broke down and bought a mainboard and guess what?.......
problem is still here, my guess is that its a bad psu. now my question is how do i go about trying to repair the psu myself? there is no voltage on labeled pins and no burn components or bulging/leaking caps
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Re: LG 42in LG 42LM3700 Not powering on
yes 1st thing i tested were those fuses
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Re: LG 42in LG 42LM3700 Not powering on
Tom66 I did as you said and tested the pins on the psu board for the inverter and half are labeled 24v and the other half ground and im getting no voltage from any of the pins labeled 24v. So does that mean bad psu board?
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Re: LG 42in LG 42LM3700 Not powering on
can i please get some help on this?
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LG 42in LG 42LM3700 Not powering on
I got this tv from a defaulted pawn loan it is a LG 42LM3700 3D Cinema TV. when we took this unit in it was working, not it is not. when PWR button is activated the tv blinks a red LED 3 times and does nothing. I have Taken the back off and searched for bulging caps or burnt components but I've come up empty handed. Here are some pics of what Im working with. Any help is greatly appreciated!...
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Re: Tatung P42HSMT Power Issues
I have did that. Those readings that I posted were with out the y and x board.
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Re: Tatung P42HSMT Power Issues
VA @ CN8005 where the buffers plug in at I 65v and dropping and the VA pin above it I get 135v and dropping
VA @ CN8006 on VA Pin 1 i get 143v & dropping & VA Pin 2 I get 140v & dropping
VS @ the top right corner plug I get 1.399v @ standy by when on I get 2.744 and dropping.
2nd VS Pin I get 1.579v and dropping @ standby. when powered on I get .944v and dropping. the 2nd time I rechecked the voltages @ va a capacitor @ C8059 just blew up in my face....
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Re: Tatung P42HSMT Power Issues
Thank you for helping me tom. I will be on here all day today!
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Re: Tatung P42HSMT Power Issues
I get voltage on VA and VS but they are nothing close to that label either on standby or during power on....
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Re: Sony kde-42xs955 No video
ok I believe I have narrowed it down to the Y-sus, How can I find out what to do to try and repair it, I have MMeter and Soldering Iron in hand!
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Tatung P42HSMT Power Issues
So I bought another $10.00 42in Plasma again. This is a Tatung P42HSMT. I was told that the set was fine & then 1 day it was turned on and it shut off after 10 sec. (Protection Mode I think) Well I got it home and pulled the back off of it and powered it on. Immediately the PSU's Led8002 & Led8001 turns off and then Led8004 turns on red and the TV turns off and cannot be turned back on until I unplug it and reconnect. I have done some research trying to find a manual but it appears that the PSU (which is Samsung LJ44-00068a Rev.02) is fairly common & found in various Samsungs (Duh!),...
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Sony KDE-50XS955 12 green flashes blank screen.
Ok so i got this sony 50in and when i plug it in I get 12 grn flashes and the screen does not come on. I pulled off the back and started testing voltages starting with the g1 board, now the top right plug is labeled PFC out (380v) when testing the voltage i get 321.1 volts and the other pin labeled PRI-VCC1 (120v) tested i get 39v to 41v. That indicates this board is not working right? well what can i do to get this thing working besides buy a new board? Any help would be apreciated....Last edited by darkeskye; 02-05-2014, 12:22 PM.
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Re: Sony kde-42xs955 No video
also i have tested the psu board with a multimeter and found all voltages to be correct, i am lost as for what todo next
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Sony kde-42xs955 No video
Ok so I just bought this Sony Wega kde-42xs955 for $10.00 couldnt pass it up, there was no info on what was wrong only told that the screen doesnt turn on. When I got it home I plugged it in and it powers on with a flashing green led 11 times and the lights stay on like its good but the screen does not light up or come on. My question is where do i begin to find out whats wrong? I cannot find any bad caps or burned/chared components btw. I have attached pictures of the board....
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Re: Vizio vw46l blank screen issue
Haven't gotten to it yet, took a break for tonight, its like 5am. But thank you so much, I will be on tomorrow.
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Re: Vizio vw46l blank screen issue
Also picture is all white, but I can now see change numbers and such, Is it supposed to be white?
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Re: Vizio vw46l blank screen issue
I was just reading about that, what would u do?
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Re: Vizio vw46l blank screen issue
No, it didn't turn on when I first got it, this is the most I've seen out of this unit.
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