Re: Samsung LN32C540 (Blinking Light)
Not sure this is much help but I will outline what I am seeing on my LN32C540F2d unit. I have changed the power supply without success. The power supply board was used so it is possible that the second unit was bad. The caps all look good. I changed the video board; this did not fix the problem. If I leave the TV on for a while, the CCFL lights will finally come on and generally stay on (occasional flicker). If I check the BLU_ON voltage, it is 0V when working, 1.8V when not working at 0.8V when flickering. I have ordered a used backlight inverter...
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Re: Samsung LN32C450 - Audio but no video
Was this problem every solved? I have Samsung LN32C540F2D with similar symptoms. Currently, the backlight is on most of the time, but will flicker and shut down for no apparent reason. Measuring DET_5V shows 0V when working and 1.5 when the backlight is off. When flickering it is about 0.8V. I am assuming my DVM is averaging the signal between 0 and 1.5V. I have replaced the main board (not new, pulled from a unit with a cracked screen) and tested another power supply board. My next thought would be to change out the inverter board ($20...
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