Hi All, I read the other posts on this LCD TV and have the manuals. The screen flickers cycling through green, blue, red and R/G/B/W bars with the CN303 connector disconnected as in a previous post. All the regulators on the main (A) board are working. With CN303 connected, I measure the following:
pin signal volts measured
1 BL-ON 3 0
2 BL-DET 0 0.19
4 BL-DIMMER 1.4-3.2 0

The BL-DIMMER and BL-ON are from the A board to the G (power) board, BL-DET is from the G to A board. When I disconnect the CN303, I measure on the A board:
1 BL-ON 3 3.3...

Re: New Members - please post your introductions here

Bore da. First posting. I am an aero-mechanical engineer but have been building electronic projects for eons from a Heathkit R/C kit to designing and building a programmable ignition system. I prefer to repair rather than throw away. I have basic equipment: soldering iron, DVM, power supplies, oscilloscopes, HP function generator. I mostly work with digital circuits and use Atmel micro-controllers in my projects. The latest is rewiring my Lotus Europa with a LIN buss and a micro-controller for the lights, sensors and electronic...