My tv has no power led on the front and no picture. Upon opening up the unit, the power supply board has 3.5vdc but the 12vdc and 24vdc are somewhat intermittent, sometime there sometime not. There is also an LED on the power board that illuminates after maybe a minute for 5 times, then off for 5 second and repeats. I have been able to check fuses on power board, diodes, the bridge rectifier for AC (122vac) and DC (164vdc) coming out but wondering if someone might be able to assist me further. Not sure if the main mother board is malfunctioning or it the problem is still in the power supply. I have look at the caps and they don't seem damaged but of course they are hard to check in circuit, did check to see if any where shorted but none are. Thanks for the help.
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