General CCFL inverter question

[dick_barton]

Re: General CCFL inverter question

Have a read through the following thread which may prove useful. The fact that you say with the last two tubes removed the remainder light up makes me think you have an error signal being produced around the last transformer stage that drive the last two tubes.
You have already changed the transformer so it would be worth checking the mosfets that drive it.

[R_J]

Re: General CCFL inverter question

I was looking at your inverter picture and compaired it to shopjimmy's and I could not see the two resistors R312 and R314 on your board, are they there or is it just the lighting in the photo?

[angelos]

Re: General CCFL inverter question

It seems to have been a dry joint on one of the resistors around the smaller transformer. When i started soldering around there one of the resistors came loose as soon as i applied some heat. The inverter is working for now but only time will tell if this was the fix.
In a few days time i will report back.
Thanks for your assistance so far.

[dick_barton]

Re: General CCFL inverter question

Glad you finally got there.

[angelos]

Re: General CCFL inverter question

The tvs still working. Thanks everyone for your diligent input. This is one of note.