Im reading that pdf and 99% i dont understand but i little, little breakthrough i think
The area with the burned ic is dc conversion.
If something in that area are more than 10% off in voltage etc it goes into safemode.
Sounds like my problem??
It was written on some page around 170-190...
Thx for the manual but after read a few pages i havent got a clue whats my next step is. I only know that it almost start and the screen lights up for a very short while (a quick flash) and a click is heard both from the boards and speakers.
Im really grateful for your input so far and im glad for the service manual.
Im not sure wich label you mean so i took photo of both.
I also write all numbers below for "copy/paste" option.
One photo shows both the old psu and new one installed and in another youll see a red ring and thats the ic thats causing the smoke and a similar photo of tha backside at same place. There are two "bumps" on it thats caused by the supposed short.
Sorry if photos isnt what you are used to, i only have the camera of an iphone 4s.
About myself.
39 years old boatbuilder with an interest in electronics but not much knowledge.
I have cheap and simple equipment as soldergun with adjusteble temp and very small tip, a "helping hand" magnifier and such things but not enough knowledge to search for problem but i usually fix problems when i know what or where they are.
I also strongly belive that everthing is "fixable"
When the old board were mounted it didnt show any lifesign except the red led that blinked 3 times, paused and blinked 3 times again.
Several forums indicated that the most common fault was either psu board or bad caps at psu board. I found a working board and installed it and now it flashes and "restarts".
And as i wrote, the little ic gets very hot and smokes comes from it after a few seconds. I ordered 4new and are goung to try solder new ones in place.
But it looks like this is a battle im not...
My tv stopped working one day and after a lot of googling i bought a new psu board. When i put cable in it isnt completely dead as before but it still wont start, it clicks and the screen flashes quickly and then clicks again and does this loop. When i did this i could feel some smoke from mainboard and it came from a small ic called FDS 8884 and there are 4 of them and one is burned as i can see.
My question is:
Can it be this fault that caused all of my problems or did the possible broken psu board cause this ic to fail??
Leave a comment: